SCOPE OF ACCREDITATION TO ISO/IEC & KS Q ISO/IEC 17025

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1 SCOPE OF ACCREDITATION TO ISO/IEC & KS Q ISO/IEC HCT Co., Ltd. 74, 578-gil, Seoicheon-ro, Majang-myeon, Icheon-si, Gyungki-do, Korea Phone No : , Fax : , cal@hct.co.kr Valid To : Jan CALIBRATION Accreditation No. : KC00-011(1/75) Field Code In recognition of the successful completion of the KOLAS evaluation process, accreditation is granted to this laboratory to perform the following calibrations Field Code onsite onsite Field onsite Code Time interval sources Y 102. Linear dimension 106. Various dimensional Time interval meters/ Y Balls N Inside/Outside/Gear tooth Y Stop watches/timers Dial/cylinder gauge testers N calipers, Caliper gauges End bars N Cylinder/Bore gauges Y 302. Velocity & revolution Extensometers, linear Y Depth gauges, Y Standard RPM generators Y displacement transducers Depth micrometers Contact type tachometers Y Filler gauges Y Dial/Digital gauges Y Photo tachometers/ Y Gap gauges N Micro indicators, Y Gauge blocks, by comparison N Test indicators stroboscopes Height gauges/measuring Y Micrometer heads N Wow-flutter generators Y machines point micrometers Y Wow-flutter meters Y Standard measuring machines Y Inside micrometers Y Electronic Micrometers N Outside micrometers Y 401. DC volatage & current Height Micrometers, N Standard sieves N DC ammeters Y Riser blocks Welding gauges N Transconductance amplifiers Y Standard tape rules, N DC voltage/current Y peripheral gauges 201. Mass calibrators Cylindrical plug/pin gauges, Y Counter beam balances Y Electrical temperature Y Thread measuring wire gauges Direct reading balances Y calibrators Radius gauges N Electric balances Y DC current shunts Y Cylindrical ring gauges N Platform scale balances Y Galvanometers/null detectors Y Step gauges N Spring scale balances Y DC power supplies Y Taper thickness gauges N Weights N DC voltmeters Y Ultrasonic thickness gauges Y Static/Ionic voltmeters Y Ultrasonic/coating thickness N 202. Force specimens Force measuring devices N 402. Resistance, Capacitance and Coating thickness testers Y Tension/compression testing Y Inductance machines Capacitance bridges Y 103. Angle Push-pull gauges N /indicators Bevel protractors N Decade capacitors Y Plate/square/electric levels N 203. Torque Standard capacitors Y Torque measuring devices N Earth testers Y 104. Form Torque wrenches/drivers Y Inductors Y Optical flats Y Insulation testers Y Optical parallels N 204. Pressure Q-meters Y Precision surface plates Y Absolute pressure gauges N Resistance bridges & Similar Y Straight rules N Differential pressure gauges Y instruments Gauge pressure gauges Y Resistance meters Y 105. Complex geometry Pressure transducers/ Y Resistors Y Contact coordinate Y transmitters Impedance bridges/lcr meters Y measuring machines Dial type vacuum gauges Y Non-contact coordinate Y Water Depth meters Y 403. AC voltage, current & power measuring machines AC ammeters Y Measuring microscopes, Y 301. Time/frequency Clamp ammeters/voltmeters Y Profile projectors Frequency standards N AC voltage/current calibrators Y Micro measuring microscopes Y General frequency sources Y AC current shunts Y Thread plug gauges N Frequency meters/counters Y Power factor meters Y

2 Accreditation No. : KC (2/71) Field onsite Code site Code site Field on- Field on- Item of calibration Item of calibration Item of calibration Code AC power meters Y Electrostatic Discharge Y Thermal expansion Y AC power supplies Y Generators thermometers ; bimetal, gas Puncture/safety testers Y EMC receivers Y or liquid type Power recorders Y RF filters Y Thermomecoules: noble metal, Y AC voltmeters RF impedance meters Y base metal, pure metal, RF impulse generators Y special type, etc Other DC & LF Measurements Line impedance stabilization Y Temperature transducers Y LF amplifiers Y networks ; LISN, CDN, ISN, DC/LF attenuators Y etc Non contact thermometry Multimeter calibrators Y Coaxial standard mismatches Y Standard radiation N Oscilloscope calibrators Y Mobile communication test Y thermometers Video signal generators Y sets Audio distortion analyzers/ Y Modulation meters Y 503. Humidity meters Network analyzers Y Dew-point hygrometers; N LF filters Y Noise figure meters Y chilled mirror, alumina LF/Audio signal analyzers Y Noise generators Y thinfilm, etc Line Frequency meters Y Noise impulse simulators Y Relative humidity Y Function generators Y RF power meters Y hygrometers; polimer Genescopes Y Diode power sensors Y thinfilm, hair, etc AC/DC high voltages volt Y Thermocouple Power sensors Y Temperature humidity N meters Pulse generators Y recorders ; Hygrothermograph Leakage current testers Y Radar test sets Y, etc Electronic AC/DC loads Y RF signal generators Y Transducers; dew-point/ Y Analogue/Digital multimeters Y RF spectrum analyzers Y relative humidity Noise meters Y Surge generators Y Humidity generators; Y Oscilloscopes Y RF terminations Y two-pressure,two-temperature LF phase meters Y Coaxial thermistor mounts Y, flow mixing humidity Random wave generators Y RF voltmeters Y gererator, constant Volt/Current recorders Y Vector voltmeters Y temperature and humidity Relay test sets Y Field strength meters Y chamber, etc LF signal generators Y AM/FM test sources Y LF spectrum analyzers Y Dip simulators Y 601. Sound in air Sweep generators Y Sound Calibrators Y Transistor curve tracers Y 407. Field strength & antennas Microphones Y Waveform analyzers Y Dipole antennas N Sound level meters Y AC/DC high voltage Y Loop antennas N genarators Monopole antennas N 603. Sound in air AC/DC high voltage probes Y Vibration calibrators Y Logic analyzers Y 501. Contact thermometry Vibration transducers Y Telephone testers Y Temperature generators: Y Vibration measuring Y Video signal analyzers Y ovens, furnaces, isothermal instruments liquid baths, ice-point 406. Radio frequency measurements baths, dry-block calibrators 701. Photometry Note RF amplifiers Y Temperature indicators/ Y Iluminance meters Y Coaxial attenuators Y recorders/controllers, Burst pulse generators Y temperature calibrators 901. Chemical analysis Attenuator calibrators Y Glass thermometers; N Gas analyzers Y RF power meter calibrators Y liquid-in-glass, Beckmann EMC transducers ; current Y Resistance thermometers; Y probes, absorbing clamps,etc Coaxial directional Y couplers/splitters SPRT, IPRT, thermistors,etc. 1. This laboratory provides calibration services in permanent standard laboratory and at on-site. 2. Laboratory conducts on-site calibration should meet requirements of KOLAS-SR On-site calibration is allowed to items with marking 'Y', not allowed to items with marking 'N'. 4. Calibration and Measurement Capability () means capabilities provided by accredited calibration laboratories. It expresses the lowest uncertainty of measurement that can be achieved during a calibration. normally is quoted as an expanded uncertainty at a coverage probability of 95%, which usually requires the use of a coverage factor of K =2. 5.Due to the calibration environment such as reference standards or customers facilities, it is note that uncertainty of measurement on a calibration certificate may be expressed larger than on scope of accreditation in general.

3 Accreditation No. : KC00-011(5/102) 102. Linear dimension Balls (0 ~ 100) mm (0.011 l 0 ) 2 μm Gauge blocks, (unit of l 0 : mm) Standard measuring machines /HCT-CS Dial/cylinder gauge testers (0 ~ 5) mm 0.13 μm Gauge blocks, (5 ~ 25) mm 0.14 μm Electrical micrometer (25 ~ 100) mm 0.23 μm /HCT-CS End bars/ (0 ~ 1 000) mm (0.002 l 0 ) 2 μm Gauge blocks, Micrometer Reference Bar (unit of l 0 : mm) Electrical micrometer /HCT-CS Extensometers, Gauge blocks linear displacement transducers (0 ~ 50) mm (0.002 l 0 ) 2 μm /HCT-CS Extensometers (50 ~ 100) mm (0.002 l 0 ) 2 μm (100 ~ 1 000) mm (0.002 l 0 ) 2 μm (unit of l 0 : mm) Filler gauges (0.01 ~ 5) mm 0.36 μm Bench Comparator /HCT-CS Gap gauges (1 ~ 300) mm (0.002 l 0 ) 2 μm Gauge blocks (unit of l 0 : mm) /HCT-CS Gauge blocks, by comparison (0.5 ~ 100) mm (1.2 l 0 ) 2 nm Gauge block comparators, (unit of l 0 : mm) Gauge blocks /HCT-CS Height gauges/measuring machines (0 ~ 1 000) mm (0.002 l 0 ) 2 μm Gauge blocks (unit of l 0 : mm) /HCT-CS Standard measuring machines (0 ~ 500) mm ( l 0 ) 2 μm Gauge blocks, (unit of l 0 : mm) Long gauge blocks /HCT-CS Electronic Micrometers (0 ~ 0.02) mm 0.12 μm Gauge blocks (0.02 ~ 0.2) mm 0.21 μm /HCT-CS (0.2 ~ 2) mm 0.77 μm Height micrometers, Riser blocks Gauge blocks, Height Micrometers Height micrometers, Electrical micrometer Blocks (0 ~ 610) mm (0.002 l 0 ) 2 μm /HCT-CS (unit of l 0 : mm) Head (0 ~ 30) mm (0.002 l 0 ) 2 μm (unit of l 0 : mm) Riser blocks (0 ~ 600) mm (0.002 l 0 ) 2 μm (unit of l 0 : mm) Standard tape rules, (0 ~ 7) m (0.007 l 0 ) 2 mm Laser Meaturement Machine peripheral gauges (7 ~ 14) m (0.007 l 0 ) 2 mm /HCT-CS Cylindrical plug/pin gauges, Thread measuring wire gauges (14 ~ 20) m (0.007 l 0 ) 2 mm (unit of l 0 : mm) Cylindrical plug/pin gauge (0 ~ 100) mm (0.005 l 0 ) 2 μm Bench Comparator (unit of l 0 : mm) /HCT-CS Radius gauges (0 ~ 50) mm 3.6 μm Profile projectors /HCT-CS Cylindrical ring gauges (1 ~ 100) mm ( l 0 ) 2 μm Standard measuring machines (unit of l 0 : mm) Standard ring gauge /HCT-CS Step gauges (0 ~ 1 000) mm (0.002 l 0 ) 2 μm Gauge blocks, (unit of l 0 : mm) Electrical micrometer /HCT-CS

4 Accreditation No. : KC00-011(6/102) 102. Linear dimension Taper thickness gauges (0.1 ~ 60) mm 2.8 μm Profile projectors /HCT-CS Ultrasonic thickness gauges (0 ~ 100) mm 5.3 μm Ultrasonic Tester Blocks Ultrasonic/coating thickness specimens /HCT-CS Coating (0 ~ 8) mm 1.3 μm Gauge blocks, Standard measuring machines Ultrasonic (0 ~ 100) mm ( l 0 ) 2 μm Electronic micrometers (unit of l 0 : mm) /HCT-CS Coating thickness testers (0 ~ 0.25) mm 0.6 μm Ultrasonic thickness specimens 103. Angle (0.25 ~ 1.05) mm 1.6 μm /HCT-CS (1.05 ~ 3.7) mm 7 μm (3.7 ~ 7.9) mm 8 μm Bevel protractors Angle, Pofile projectors Angle accuracy 0 ~ /HCT-CS ~ /HCT-CS Angle of accessories 0 ~ Plate/square/electric levels Fine angle generators, Angle ± Electronic micrometers ± Squareness testers ± /HCT-CS Squareness (0 ~ 300) mm 2.2 μm Flatness 300 mm 60 mm 0.83 μm 104. Form Optical flats Ø (10 ~ 130) mm 0.08 μm Optical flats, Optical parallels /HCT-CS Flatness Ø (10 ~ 30) mm 0.08 μm Optical flats, Parallelism Ø (10 ~ 30) mm 0.06 μm Gauge block comparators /HCT-CS Precision surface plates Elecric levels Area (0 ~ 2 500) cm2 0.7 μm /HCT-CS (2 500 ~ 5 000) cm2 0.8 μm (5 000 ~ ) cm2 1.0 μm ( ~ ) cm2 1.1 μm ( ~ ) cm2 1.5 μm ( ~ ) cm2 2.2 μm Straight rules (0 ~ 3 000) mm (0.007 l 0 ) 2 mm Laser Meaturement Machine, (unit of l 0 : mm) Electronic micrometers, Squares, Filler gauges /HCT-CS

5 Accreditation No. : KC00-011(7/102) 105. Complex geometry Contact coordinate Step gauges, measuring machines Precision Square, Accuracy (0 ~ 600) mm (0.007 l 0 ) 2 μm Stragit rules (unit of l 0 : mm) /HCT-CS squareness (0 ~ 600) mm 3.1 straightness (0 ~ 600) mm 2.1 μm Non-contact coordinate Standard scale, measuring machines Precision Square, Accuracy (0 ~ 1 000) mm (0.006 l 0 ) 2 μm / HCT-CS (unit of l 0 : mm) Measuring microscopes, Standard scale, Profile projectors Precision Square, Length accuracy (0 ~ 300) mm ( l 0 ) 2 μm /HCT-CS (unit of l 0 : mm) Right angle accuracy (0 ~ 360) 1.6 magnification accuracy 2 ~ Squareness accuracy (0 ~ 300) mm 2.8 μm Micro measuring microscopes (0 ~ 50) mm 0.82 μm Standard scale /HCT-CS Thread plug gauges Bench Micrometer External diameter (1 ~ 100) mm 0.60 μm Thread Measuring Wires Effective diameter (1 ~ 100) mm 1.8 μm Projectors/HCT-CS Pitch (0.2 ~ 5.5) mm 1.6 μm Half angle (0 ~ 45) Various dimensional Inside/Outside/Gear tooth Gauge blocks calipers, Caliper gauges Inside/Outside calipers (0 ~ 150) mm (0.007 l 0 ) 2 μm (150 ~ 1 500) mm (0.007 l 0 ) 2 μm (unit of l 0 : mm) /HCT-CS Cylinder/Bore gauges Dial gauges tester, Cylinder gauges (0 ~ 800) mm 0.64 μm Gauge blocks Bore gauges (0.5 ~ 18.5) mm 0.76 μm /HCT-CS Depth gauges, Depth micrometers Gauge blocks Depth gauges (0 ~ 300) mm (0.005 l 0 ) 2 μm /HCT-CS (300 ~ 1 000) mm (0.005 l 0 ) 2 μm (unit of l 0 : mm) Dial/Digital gauges (0 ~ 50) mm (0.002 l 0 ) 2 μm Gauge blocks (50 ~ 150) mm (0.002 l 0 ) 2 μm /HCT-CS (unit of l 0 : mm) Micro indicators, Test indicators Dial gauges tester Micro indicators (0 ~ 2) mm 0.46 μm / HCT-CS Test indicators (0 ~ 2) mm 0.46 μm Micrometer heads (0 ~ 50) mm 0.75 μm Gauge blocks, Electrical micrometer / HCT-CS

6 Accreditation No. : KC00-011(8/102) 106. Various dimensional 3-point micrometers (1 ~ 200) mm 1.8 μm Standard ring gauge Precision surface plates /HCT-CS Inside micrometers Gauge blocks (5 ~ 300) mm (0.005 l 0 ) 2 μm / HCT-CS (300 ~ 1 500) mm (0.005 l 0 ) 2 μm (unit of l 0 : mm) Outside micrometers (0 ~ 25) mm (0.005 l 0 ) 2 μm Gauge blocks Standard sieves (25 ~ 100) mm (0.005 l 0 ) 2 μm / HCT-CS (100 ~ 1 000) mm (0.005 l 0 ) 2 μm (1 000 ~ 1 500) mm (0.005 l 0 ) 2 μm (unit of l 0 : mm) Wire rod diameter (0.01 ~ 8) mm 1.9 μm Profile projectors Sieve opening (0.01 ~ 125) mm 3.0 μm /HCT-CS Welding gauges Profile projectors Length (0 ~ 100) mm 10 μm /HCT-CS Angle (0 ~ 90) Mass Counter beam balances (0 ~ 311) g 9.5 mg Standard weights (311 ~ 2 610) g 82 mg /HCT-CS (2.61 ~ 20) kg 0.82 g Direct reading balances (0 g ~ 160) g 0.19 mg Weights/HCT-CS Electric balances (0 ~ 20) g mg Standard weights (20 ~ 200) g 0.19 mg /HCT-CS (200 ~ 2000) g 1.8 mg (2 ~ 26) kg 21 mg (26 ~ 60) kg 0.77 g (60 ~ 100) kg 1.7 g (100 ~ 150) kg 6.8 g (150 ~ 200) kg 14 g (200 ~ 300) kg 65 g (300 ~ 600) kg 0.13 kg Platform scale balances (0 ~ 20) kg 1.2 g Standard weights (20 ~ 200) kg kg /HCT-CS Spring scale balances (0 ~ 1) kg 2.9 g Standard weights (1 ~ 2) kg 5.8 g /HCT-CS (2 ~ 5) kg 12 g (5 ~ 10) kg 29 g (10 ~ 30) kg 58 g (30 ~ 50) kg 0.12 kg Weights Weights, Balance F1 class 1 mg 4.7 μg /HCT-CS mg 4.7 μg 5 mg 4.7 μg 10 mg 5.2 μg 20 mg 5.2 μg

7 Accreditation No. : KC00-011(9/102) 201. Mass F1 class mg 5.9 μg 100 mg 6.6 μg 200 mg 7.4 μg 500 mg 9.2 μg 1 g 11 μg 2 g 14 μg 5 g 17 μg 10 g 21 μg 20 g 27 μg 50 g 36 μg 100 g 55 μg 200 g 0.11 mg 500 g 0.30 mg 1 kg 0.55 mg 2 kg 1.1 mg 5 kg 2.9 mg 10 kg 5.5 mg 20 kg 11 mg 202. Force Force measuring devices hydraulic force standards, Force (0.5 ~ 5) kn Deadweight force standards (5 ~ 10) kn / HCT-CS (10 ~ 20) kn (20 ~ 50) kn (50 ~ 100) kn Tension/compression testing Electric force measuring devices machines Compression (0 ~ 10) N /HCT-CS (10 ~ 20) N (20 ~ 50) N (50 ~ 100) N (100 ~ 200) N (200 ~ 500) N (500 ~ 1 000) N (1 ~ 2) kn (2 ~ 5) kn (5 ~ 10) kn (10 ~ 20) kn (20 ~ 50) kn (50 ~ 100) kn (100 ~ 200) kn Tensile (0 ~ 50) N (50 ~ 100) N (100 ~ 200) N (200 ~ 500) N (500 ~ 1 000) N (1 ~ 2) kn (2 ~ 5) kn (5 ~ 10) kn (10 ~ 20) kn (20 ~ 50) kn (50 ~ 100) kn (100 ~ 200) kn

8 202. Force Accreditation No. : KC00-011(10/102) Push-Pull Gauges (0.2 ~ 50) N Deadweight force standards, (50 ~ 1 000) N Weights /HCT-CS (1 000 ~ 2 000) N Torque Torque measuring devices (0.05 ~ 100) N m Weights, Torque arm /HCT-CS Torque wrenches/drivers (0.05 ~ 0.5) N m Torque testers (0.5 ~ 5) N m /HCT-CS (5 ~ 50) N m (50 ~ 500) N m (500 ~ 1 000) N m Pressure Absolute pressure gauges Pressure calibrators 60 kpa ~ 7 Mpa / HCT-CS Compound pressure gauges Pressure calibrators -92 kpa ~ 2 MPa Dead weight tester / HCT-CS Differential pressure gauges Pressure calibrators Pneumatic (0 ~ 350) kpa Dead weight tester (0.35 ~ 1) MPa / HCT-CS Gauge pressure gauges Pressure calibrators Dead weight tester Gauge pressure gauges, / HCT-CS Pressure generators/controllers Pneumatic (0 ~ 350) kpa (0.35 ~ 5) MPa (5 ~ 10) MPa Hydraulic (0.5 ~ 200) MPa Recorders, pressure Pneumatic (0 ~ 350) kpa (0.35 ~ 5) MPa (5 ~ 10) MPa Hydraulic (0.5 ~ 200) MPa Pressure transducers/transmitters Pressure calibrators Pneumatic (0 ~ 350) kpa Dead weight tester (0.35 ~ 5) MPa / HCT-CS (5 ~ 10) MPa Hydraulic (0.5 ~ 200) MPa Dial type vacuum gauges (-92 ~ 0) kpa Pressure calibrators / HCT-CS Water Depth meters (0 ~ 2) MPa Pressure calibrators(pm620) /HCT-CS

9 Accreditation No. : KC00-011(11/102) 301. Time/frequency Frequency standards Atomic clock Timebase Frequency 100 khz ~ 10 MHz /HCT-CS General frequency sources Atomic clock Timebase Frequency 100 khz ~ 100 MHz /HCT-CS Frequency meters/counters standard frequency, Input Frequency DC ~ 3 GHz General frequency sources 3 GHz ~ 40 GHz 0.58 Hz /HCT-CS Timebase Frequency 100 khz ~ 10 MHz Time interval sources Frequency Counterss Time interval 0.1 ns ~ 1 ns /HCT-CS ns ~ 10 ns ns ~ 100 ns ns ~ 1 μs μs ~ 10 μs μs ~ 100 μs μs ~ 1 ms ms ~ 10 ms ms ~ 100 ms ms ~ 5 s Frequency 0.1 Hz ~ 1 Hz Hz ~ 10 Hz Hz ~ 100 Hz Hz ~ 1 khz khz ~ 10 khz khz ~ 100 khz khz ~ 1 MHz MHz ~ 10 MHz MHz ~ 100 MHz MHz ~ 1 GHz Time interval meters/stop watches Atomic clock /Timers / HCT-CS Time 1 ms ~ s Period (1 ~ ) s Velocity & revolution Standard RPM generators (1 ~ 1 000) min ¹ min ¹ Atomic clock (1 000 ~ ) min ¹ min ¹ /HCT-CS Contact type tachometers (1 ~ 4 000) min ¹ min ¹ Atomic clock /HCT-CS Photo tachometers/stroboscopes (1 ~ 300) min ¹ min ¹ Atomic clock (300 ~ 6 000) min ¹ min ¹ /HCT-CS (6 000 ~ ) min ¹ min ¹

10 Accreditation No. : KC00-011(12/102) 302. Velocity & revolution Wow-flutter generators Atomic clock Wow-flutter Deflection 0.01 % ~ 3 % /HCT-CS Frequency 0.1 Hz ~ khz Level 100 mv ~ 10 V Wow-flutter meters Wow-flutter measure Wow-flutter Deflection 0.01 % /HCT-CS % % % % % Input frequency 10 Hz 0.58 Hz khz 5.8 Hz Output frequency 3.00 khz 0.58 Hz 3.15 khz 0.58 Hz CCIR PULSE 10 ms ~ 100 ms DC volatage & current DC ammeters Current Calibrators, DC Current (0 ~ 100) μa Multimeter calibrators (0.1 ~ 10) ma / HCT-CS (10 ~ 100) ma (0.1 ~ 1) A (1 ~ 10) A (10 ~ 100) A DC Voltage (0 ~ 10) mv (10 ~ 100) mv (0.1 ~ 10) V (10 ~ 100) V (100 ~ 1 000) V Transconductance amplifiers Current shunts, DC Current (0 ~ 1) A Multimeter calibrators (1 ~ 10) A / HCT-CS (10 ~ 100) A AC Current (DC ~ 100 Hz) (0 ~ 100) A (100 Hz ~ 1 khz) (0 ~ 100 ) A

11 Accreditation No. : KC00-011(13/102) 401. DC volatage & current DC voltage/current calibrators Current shunts DC Current Source (0 ~ 1) ma Current shunts (0 ~ -1) ma /HCT-CS (1 ~ 10) ma (-1 ~ -10) ma (10 ~ 100) ma (-10 ~ -100) ma (0.1 ~ 1) A (-0.1 ~ -1) A (1 ~ 10) A (-1 ~ -10) A (10 ~ 100) A DC Voltage Source (0 ~ 100) mv (0 ~ -100) mv (0.1 ~ -1) V (-0.1 ~ -1) V (1 ~ 10) V (-1 V ~ -10) V (10 ~ 100) V (-10 ~ -100) V (100 ~ 1 000) V (-100 ~ ) V Electrical temperature calibrators Digital Multimeters DC Current (0 ~1) ma /HCT-CS (1 ~10) ma (10 ~ 20) ma DC Voltage (-10 ~ 0) mv (0 ~ 1) mv (1 ~ 10) mv (10 ~ 100) mv (0.1 ~ 1) V Resistance (0 ~ 10) Ω (10 ~ 100) Ω (0.1 ~ 1) kω (1 ~ 10) kω DC current shunts Digital Multimeter, Ω (100 A) Multimeter calibrators, 0.01 Ω (20 A) Current Calibrators/ 0.1 Ω (2 A) HCT-CS Ω (200 ma) Ω (20 ma) Ω (2 ma) Ω (0.2 ma) Galvanometers/null detectors Multimeter calibrators, DC voltage (3 ~ 10) μv Current shunts (10 ~ 30) μv /HCT-CS (30 ~ 100) μv (100 ~ 300) μv μv ~ 1 mv (1 ~ 3) mv (3 ~ 10) mv (10 ~ 30) mv (30 ~ 100) mv (100 ~ 300) mv mv ~ 1 V

12 Accreditation No. : KC00-011(14/102) 401. DC volatage & current DC voltage (1 ~ 3) V (3 ~ 10) V (10 ~ 30) V (30 ~ 100) V (100 ~ 300) V (300 ~ 1 000) V DC power supplies Digital Multimeter, DC voltage (0 ~ 100) mv Current shunts (0.1 ~ 1) V HCT-CS (1 ~ 10) V (10 ~ 100) V (100 ~ 1 000) V DC current (0 ~ 1) A (1 ~ 10) A (10 ~ 100) A (100 ~ 300) A (300 ~ 500) A DC voltmeters Current Calibrators, DC Current (0 ~ 100) μa Multimeter calibrators (0.1 ~ 10) ma /HCT-CS (10 ~ 100) ma (0.1 ~ 1) A (1 ~ 10) A (10 ~ 100) A DC Voltage (0 ~ 10) mv (10 ~ 100) mv (0.1 ~ 10) V (10 ~ 100) V (100 ~ 1 000) V Static/Ionic voltmeters Multimeter calibrators, Static Voltage (Positive) (0 ~ 100) V High voltage generators (100 ~ 500) V / HCT-CS (0.5 ~ 1) kv (1 ~ 2) kv (2 ~ 3) kv (3 ~ 4) kv (4 ~ 5) kv (5 ~ 10) kv (10 ~ 20) kv (20 ~ 25) kv (25 ~ 30) kv Static Voltage (Negative) (0 ~ -100) V (-100 ~ -500) V (-0.5 ~ -1) kv (-1 ~ -2) kv (-2 ~ -3) kv (-3 ~ -4) kv (-4 ~ -5) kv (-5 ~ -10) kv (-10 ~ -15) kv (-15 ~ -20) kv (-20 ~ -25) kv (-25 ~ -30) kv

13 Accreditation No. : KC00-011(15/102) 402. Resistance, Capacitance and Inductance Capacitance bridges/indicators Standard capacitors Frequency DC ~ 100 khz 5.8 mhz / HCT-CS khz ~ 1 MHz 8.2 mhz AC Voltage Capacitance (0 ~ 100)mV 0.02 khz (0.02 ~ 1)kHz (1 ~ 10)kHz (10 ~ 100)kHz (100 ~ 500)kHz (0.5 ~ 1)MHz (0.1 ~ 1)V 0.02 khz (0.02 ~ 10)kHz (10 ~ 100)kHz (0.1 ~ 1)MHz (0 pf ~ 1 pf) DC ~ 1 MHz 0.76 ff (1 pf ~ 10 pf) DC ~ 1 MHz 3.6 ff (10 pf ~ 100 pf) DC ~ 1 MHz 36 ff (100 pf ~ pf) DC ~ 1 khz 0.36 pf (1 nf ~ 10 nf) DC ~ 100 khz 0.82 pf (10 nf ~ 100 nf) DC ~ 100 khz 8.2 pf (100 nf ~ 1 μf) DC ~ 10 khz 0.11 nf 10 khz ~ 100 khz 0.13 nf Decade capacitors (1 khz) Capacitance bridges 1 pf ~ 10 pf / HCT-CS pf ~ 100 pf pf ~ 1 nf nf ~ 10 nf nf ~ 100 nf nf ~ 1 μf Standard capacitors (1 khz) Capacitance bridges 1 pf 5.0 af / HCT-CS pf 15 af 100 pf 0.17 ff 1 nf 3.9 ff 10 nf 43 ff 100 nf 0.54 pf 1 μf 24 pf

14 Accreditation No. : KC00-011(16/102) 402. Resistance, Capacitance and Inductance Earth testers Decade resistor, Earth Tester 0 mω ~ 100 mω Standard resistance 100 mω ~ 1 Ω /HCT-CS Ω ~ 10 Ω Ω ~ 100 Ω Ω ~ 1 kω kω ~ 2 kω voltage (DC ~ 1 khz) 0 V ~ 100 V V ~ 600 V current (DC ~ 1 khz) 0 A ~ 60 A Inductors (1 khz) Impedance bridges 0.1 mh ~ 10 mh / HCT-CS H ~ 1 H Insulation testers High resistance meters, Resistance 0 kω ~ 1 kω Multimeter calibrators 1 kω ~ 1 MΩ /HCT-CS MΩ ~ 10 MΩ MΩ ~ 100 MΩ MΩ ~ 1 GΩ GΩ ~ 10 GΩ GΩ ~ 100 GΩ GΩ ~ 1 TΩ Insulation voltage 0 V ~ 800 V V ~ 9 kv voltage (DC ~ 1 khz) 0 V ~ 600 V Resistance 0 Ω ~ 100 Ω Ω ~ 1 kω kω ~ 100 kω Q-meters Frequency Counters, AC voltage DC ~ 1kHz Digital Multimeters 10 mv 58 μv /HCT-CS mv 0.58 mv 1 V 0.59 mv 10 V 5.9 mv Frequevcy DC ~ 1 khz khz ~ 10 khz khz ~ 100 khz khz ~ 1 MHz MHz ~ 10 MHz MHz ~ 100 MHz

15 Accreditation No. : KC00-011(17/102) 402. Resistance, Capacitance and Inductance Resistance bridges & Similar Standard resistance, instruments Digital Multimeter MEASURING ARM 0.01 Ω 7.8 μω /HCT-CS ~ 0.1Ω 8.5 μω 0.1 Ω ~ 1 Ω 18 μω 1 Ω ~ 10 Ω 0.11 mω 10 Ω ~ 100 Ω 0.91 mω 100 Ω ~ 1 kω 8.9 mω 1 kω ~ 10 kω 89 mω 10 kω ~ 100 kω 0.91 Ω 100 kω ~ 1 MΩ 11 Ω 1 MΩ ~ 10 MΩ 0.25 kω 10 MΩ ~ 100 MΩ 16 kω RATIO ARM Resistance meters Standard resistance, DC Resistance 1 mω 0.25 μω High resistance meters 10 mω 1.2 μω HCT-CS mω 0.69 μω 1 Ω 3.3 μω 1 Ω ~ 10 Ω Ω ~ 100 Ω kω ~ 1 kω kω ~ 1 MΩ DC Resistance 1 MΩ ~ 10 MΩ MΩ ~ 100 MΩ MΩ ~ 1 GΩ GΩ ~ 10 GΩ GΩ ~ 100 GΩ GΩ ~ 1 TΩ Frequency AC Resistance DC ~ 1 khz khz ~ 10 khz khz ~ 100 khz khz ~ 1 MHz (DC ~ 1 khz) 10 mv ~ 10 V (DC ~ 1 khz) 1 Ω 1.2 mω 10 Ω 3.7 mω 100 Ω 36 mω 1 kω 0.36 Ω 10 kω 3.6 Ω 100 kω 36 Ω

16 Accreditation No. : KC00-011(18/102) 402. Resistance, Capacitance and Inductance Resistors Digital Multimeter Standard Resistance(DC) 1 Ω 18 uω / HCT-CS Ω 0.18 mω 100 Ω 0.75 mω 1 kω 7.5 mω 10 kω 77 mω 100 kω 1.2 Ω 1 MΩ 20 Ω 10 MΩ 0.22 kω 100 MΩ 3.9 kω 1 GΩ 0.13 MΩ 10 GΩ 5.6 MΩ Standard Resistance(AC) 1 khz 1 Ω 1.2 mω 10 Ω 3.7 mω 100 Ω 36 mω 1 kω 0.36 Ω 10 kω 3.6 Ω 100 kω 36 Ω Decade Resistance(DC) 0 mω ~ 10 mω mω ~ 1 Ω Ω ~ 10 Ω Ω ~ 100 Ω Ω ~ 10 kω kω ~ 100 kω kω ~ 1 MΩ MΩ ~ 10 MΩ MΩ ~100 MΩ MΩ ~ 1 GΩ GΩ ~ 10 GΩ GΩ ~ 100 GΩ GΩ ~ 1 TΩ Decade Resistance(AC) 1 khz 100 mω ~ 1 Ω Ω ~ 10 Ω Ω ~ 100 kω Impedance bridges/lcr meters Counters,Standard Frequency DC ~ 100 khz 5.8 mhz Resistance,Capacitance, 100 khz ~ 1 MHz 8.2 mhz Digital Multimeters 1 MHz ~ 30 MHz 0.60 Hz Inductance/HCT-CS AC voltage (0 ~ 100)mV 0.02 khz (0.02 ~ 1)kHz (1 ~ 10)kHz (10 ~ 100)kHz (100 ~ 500)kHz (0.5 ~ 1)MHz (0.1 ~ 1)V 0.02 khz (0.02 ~ 10)kHz (10 ~ 100)kHz (0.1 ~ 1)MHz

17 Accreditation No. : KC00-011(19/102) 402. Resistance, Capacitance and Inductance AC voltage (1 ~ 10)V 0.02 khz (0.02 ~ 10)kHz (10 ~ 100)kHz (0.1 ~ 1)MHz (10 ~ 20)V 0.02 khz (0.02 ~ 10)kHz (10 ~ 100)kHz (0.1 ~ 1)MHz DC voltage (0 ~ 100) mv mv ~ 10 V (10 ~ 40) V Resistance DC ~ 1 khz 0 Ω ~ 1 Ω 1.1 mω 1 Ω ~ 10 Ω 3.7 mω 10 Ω ~ 100 Ω 36 mω 100 Ω~ 1 kω 0.35 Ω 1 kω ~ 10 kω 3.6 Ω 10 kω ~ 100 kω 36 Ω Capacitance (0 pf ~ 1 pf) DC ~ 1 MHz 0.76 ff 1 MHz ~ 2 MHz 0.78 ff 2 MHz ~ 3 MHz 0.86 ff 3 MHz ~ 4 MHz 0.98 ff 4 MHz ~ 5 MHz 1.2 ff 5 MHz ~ 10 MHz 2.6 ff 10 MHz ~ 13 MHz 3.8 ff (1 pf ~ 10 pf) DC ~ 5 MHz 3.6 ff 5 MHz ~ 10 MHz 3.8 ff 10 MHz ~ 13 MHz 3.9 ff (10 pf ~ 100 pf) DC ~ 4 MHz 36 ff 4 MHz ~ 5 MHz 38 ff 5 MHz ~ 10 MHz 49 ff 10 MHz ~ 13 MHz 61 ff (100 pf ~ pf) DC ~ 1 MHz 0.36 pf 1 MHz ~ 2 MHz 0.38 pf 2 MHz ~ 3 MHz 0.45 pf 3 MHz ~ 4 MHz 0.57 pf 4 MHz ~ 5 MHz 0.72 pf 5 MHz ~ 10 MHz 2.0 pf 10 MHz ~ 13 MHz 3.0 pf (1 nf ~ 10 nf) DC ~ 100 khz 0.82 pf (10 nf ~ 100 nf) DC ~ 100 khz 8.2 pf (100 nf ~ 1 μf) DC ~ 10 khz 0.11 nf 10 khz ~ 100 khz 0.13 nf

18 Accreditation No. : KC00-011(20/102) 402. Resistance, Capacitance and Inductance Inductance (DC ~ 1 khz) 0 H ~ 100 uh 19 nh 100 uh ~ 1 mh 0.15 μh 1 mh ~ 10 mh 1.5 μh 10 mh ~ 100 mh 15 μh 100 mh ~ 1 H 0.15 mh 403. AC voltage, current & power AC ammeters Multimeter calibrators AC Current (0 ma ~ 1 ma) / HCT-CS Hz ~ 1 khz khz ~ 10 khz (1 ma ~ 10 ma) 40 Hz ~ 1 khz khz ~ 10 khz (10 ma ~ 100 ma) 40 Hz ~ 1 khz khz ~ 10 khz (100 ma ~ 1 A) 40 Hz ~ 1 khz khz ~ 10 khz (1 A ~ 10 A) 40 Hz ~ 1 khz (10 A ~ 19 A) 60 Hz ~ 100 Hz Hz ~ 1 khz (19 A ~ 90 A) 60 Hz DC Voltage (0 V ~ 10 V) 40 Hz ~ 10 khz (10 V ~ 30 V) 50 Hz ~ 10 khz (30 V ~ 75 V) 40 Hz ~ 10 khz (75 V ~ 150 V) 50 Hz ~ 1 khz (150 V ~ 300 V) 50 Hz ~ 1 khz (300 V ~ 750 V) 50 Hz ~ 1 khz

19 Accreditation No. : KC00-011(21/102) 403. AC voltage, current & power Clamp ammeters/voltmeters Multimeter calibrators, DC voltage 0 mv ~ 100 mv Coil 100 mv ~ 10 V / HCT-CS V ~ V AC voltage (0 mv ~ 100 mv) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (100 mv ~ 1 V) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (1 V ~ 10 V) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (10 V ~ 100 V) 50 Hz ~ 1 khz khz ~ 10 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (100 V ~ V) 50 Hz ~ 10 khz DC current 0 ma ~ 1 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 50 A A ~ 100 A A ~ 500 A A ~ A AC current (0 ma ~ 1 ma) 40 Hz ~ 1 khz khz ~ 10 khz (1 ma ~ 10 ma) 40 Hz ~ 500 HZ Hz ~ 1 khz khz ~ 10 khz (10 ma ~ 100 ma) 40 Hz ~ 500 HZ Hz ~ 1 khz khz ~ 10 khz

20 Accreditation No. : KC00-011(22/102) 403. AC voltage, current & power AC current (100 ma ~ 1 A) 40 Hz ~ 500 HZ Hz ~ 1 khz khz ~ 10 khz (1 A ~ 10 A) 40 Hz ~ 1 khz (10 A ~ 100 A) 60 Hz (100 A ~ 500 A) 60 Hz (500 A ~ 900 A) 60 Hz (500 A ~ A) 60 Hz Resistance 0 Ω ~ 1 Ω Ω ~ 10 Ω Ω ~ 100 Ω Ω ~ 1 kω kω ~ 10 kω kω ~ 100 kω kω ~ 1 MΩ MΩ ~ 10 MΩ MΩ~ 100 MΩ Current Coil (AC Ratio) % % % % Current Coil (DC Ratio) % % % % AC voltage/current calibrators Multimeters AC voltage (0 mv~ 100 mv) / HCT-CS DC ~ 55 Hz Hz ~ 300 Hz Hz ~ 1 khz khz ~ 10 khz khz ~ 30 khz khz ~ 100 khz (100 mv ~ 1 V) DC ~ 55 Hz Hz ~ 300 Hz Hz ~ 10 khz khz ~ 30 khz khz ~ 100 khz

21 Accreditation No. : KC00-011(23/102) 403. AC voltage, current & power AC voltage (1 V ~ 10 V) DC ~ 55 Hz Hz ~ 1 khz khz ~ 10 khz khz ~ 30 khz khz ~ 100 khz (10 V ~ 100 V) DC ~ 55 Hz Hz ~ 300 Hz Hz ~ 1 khz khz ~ 10 khz khz ~ 30 khz khz ~ 60 khz khz ~ 100 khz AC Current (100 V ~ V) DC ~ 55 Hz Hz ~ 3 khz khz ~ 10 khz (0 μa ~ 100 μa) DC ~ 55 Hz Hz ~ 1 khz khz ~ 3 khz khz ~ 10 khz (100 μa ~ 1 ma) DC ~ 55 Hz Hz ~ 3 khz khz ~ 10 khz (1 ma ~ 10 ma) DC ~ 55 Hz Hz ~ 1 khz khz ~ 10 khz (10 ma ~ 100 ma) DC ~ 55 Hz Hz ~ 1 khz khz ~ 10 khz (100 ma ~ 1 A) DC ~ 300 Hz Hz ~ 1 khz khz ~ 3 khz khz ~ 10 khz (1 A ~ 10 A) DC ~ 1 khz khz ~ 3 khz khz ~ 10 khz (10 A ~ 50 A) DC ~ 1 khz (50 A ~ 100 A) DC ~ 1 khz

22 Accreditation No. : KC00-011(24/102) 403. AC voltage, current & power AC current shunts Current Source AC Resistance (DC ~ 100 Hz) / HCT-CS (0.001 Ω) (0.001 ~ 0.01) Ω (0.01 ~ 0.1) Ω (0.1 ~ 1) Ω (1 ~ 100) Ω (100 ~ 1 000) Ω (100 Hz ~ 1 khz ) (0.001 Ω) (0.001 ~ 0.01 Ω) (0.01 ~ 0.1 Ω) (0.1 ~ 1 Ω) (1 ~ 100 Ω) (100 ~ Ω) Power factor meters Hz Power Calibrators (120 V / 1 A / HCT-CS ~ 240 V/25 A) 0.2 ~ AC power meters Power Calibrators, AC power meters Multimeter calibrators AC Power (50 Hz ~ 60 Hz) / HCT-CS W ~ 0.12 W W ~ 0.24 W W ~ 0.6 W W ~ 1.2 W W ~ 2.4 W W ~ 4.8 W W ~ 6.0 W W ~ 12 W W ~ 24 W W ~ 60 W W ~ 120 W W ~ 480 W W ~ 600 W kw ~ 1.2 kw kw ~ 2.4 kw kw ~ 4.8 kw kw ~ 12 kw kw ~ 50 kw DC Power 0.01 W ~ 0.12 W W ~ 0.24 W W ~ 0.6 W W ~ 1.2 W W ~ 2.4 W W ~ 4.8 W W ~ 6.0 W W ~ 12 W W ~ 24 W W ~ 60 W W ~ 120 W

23 Accreditation No. : KC00-011(25/102) 403. AC voltage, current & power DC Power W ~ 480 W W ~ 600 W kw ~ 1.2 kw kw ~ 20 kw Power Factor AC Voltage AC Current (50 Hz ~ 60 Hz) (40 Hz ~ 1 khz) 0 V ~ 1 V V ~ 2 V V ~ 5 V V ~ 10 V V ~ 20 V V ~ 50 V V ~ 100 V V ~ 200 V V ~ 300 V V ~ 500 V V ~ 600 V V ~ V (40 Hz ~ 1 khz) 0 ma ~ 10 ma ma ~ 20 ma ma ~ 50 ma ma ~ 100 ma ma ~ 200 ma ma ~ 500 ma A ~ 1 A A ~ 2 A A ~ 5 A A ~ 10 A A ~ 20 A A ~ 30 A A ~ 50 A DC Voltage 0 V ~ 1 V V ~ 2 V V ~ 5 V V ~ 10 V V ~ 20 V V ~ 50 V V ~ 60 V V ~ 100 V V ~ 150 V V ~ 200 V V ~ 300 V

24 Accreditation No. : KC00-011(26/102) 403. AC voltage, current & power DC Voltage V ~ 500 V V ~ 600 V V ~ 750 V V ~ V DC Current 0 ma ~ 10 ma ma ~ 20 ma ma ~ 100 ma ma ~ 200 ma ma ~ 500 ma A ~ 1 A A ~ 2 A A ~ 5 A A ~ 10 A A ~ 20 A A ~ 30 A A ~ 50 A Harmonic Voltage Harmonic Current (50 Hz ~ 60 Hz) 0.5 % % ~ 1 % % ~ 3 % % ~ 5 % % ~ 10 % % ~ 20 % (50 Hz ~ 60 Hz) 0.5 % ~ 1 % % ~ 3 % % ~ 5 % % ~ 10 % % ~ 20 % Frequency 1 Hz ~ 20 Hz Hz ~ 50 Hz Hz ~ 60 Hz Hz ~ 100 Hz Hz ~ 200 Hz Hz ~ 400 Hz Hz ~ 600 Hz Hz ~ 1 khz Flicker P st 1 ~ 4000 cpm 0 ~ % P inst.max 0 ~ 1.5 Hz(Sinusoidal) 0 ~ % 1.5 ~ 8.8 Hz(Sinusoidal) 0 ~ % 8.8 ~ 20 Hz(Sinusoidal) 0 ~ % 20 ~ 25 Hz(Sinusoidal) 0 ~ % 25 ~ Hz(Sinusoidal) 0 ~ % 0 ~ 28 Hz(Square) 0 ~ % 28 ~ 30.5 Hz(Square) 0 ~ % 30.5 ~ Hz(Square) 0 ~ % P st 0 ~ % 0.25 ~ %

25 Accreditation No. : KC00-011(27/102) 403. AC voltage, current & power AC power supplies Multimeters AC voltage (0 mv ~ 100) mv / HCT-CS Hz ~ 1 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (100 mv ~ 1 V) 20 Hz ~ 1 khz khz ~ 20 khz khz ~ 100 khz (1 V ~ 10 V) 20 Hz ~ 1 khz khz ~ 20 khz khz ~ 100 khz (10 V ~ 100 V) 20 Hz ~ 1 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (100 V ~ V) 20 Hz ~ 1 khz khz ~ 20 khz DC voltage 0 mv ~ 100 V V ~ V AC Current (0 μa ~ 100 μa) DC ~ 1 khz khz ~ 10 khz (100 μa ~ 1 ma) DC ~ 55 Hz Hz ~ 300 Hz Hz ~ 10 khz (1 ma ~ 10 ma) DC ~ 55 Hz Hz ~ 1 khz khz ~ 3 khz khz ~ 10 khz (10 ma ~ 100 ma) DC ~ 55 Hz Hz ~ 1 khz khz ~ 10 khz (100 ma ~ 1 A) DC ~ 1 khz khz ~ 3 khz khz ~ 10 khz (1 A ~ 10 A) DC ~ 1 khz khz ~ 10 khz

26 Accreditation No. : KC00-011(28/102) 403. AC voltage, current & power AC Current (10 A ~ 45 A) DC ~ 1 khz DC Current 0 μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 100 A Frequency DC ~ 20 Hz ~ 100 khz Puncture/safety testers High voltage voltmeters, Digital Multimeter AC voltage 0 kv ~ 1 kv / HCT-CS kv ~ 2 kv kv ~ 4 kv kv ~ 9 kv kv ~ 10 kv kv ~ 20 kv kv ~ 70 kv DC voltage 0 kv ~ 1 kv kv ~ 2 kv kv ~ 4 kv kv ~ 10 kv kv ~ 20 kv kv ~ 30 kv kv ~ 50 kv kv ~ 95 kv AC Cutoff Current 0 ma ~ 0.5 ma ma ~ 2 ma ma ~ 5 ma ma ~ 10 ma ma ~ 20 ma ma ~ 50 ma ma ~ 100 ma DC Cutoff Current 0 ma ~ 0.5 ma ma ~ 2 ma ma ~ 5 ma ma ~ 10 ma ma ~ 20 ma ma ~ 50 ma ma ~ 100 ma Insulation Voltage 0 V ~ 300 V V ~ 800 V kv ~ 2 kv kv ~ 10 kv Insulation Resistance 0 kω ~ 1 kω kω ~ 10 kω kω ~ 100 kω MΩ ~ 1 MΩ MΩ ~ 10 MΩ MΩ ~ 100 MΩ GΩ ~ 1 GΩ GΩ ~ 10 GΩ GΩ ~ 100 GΩ

27 Accreditation No. : KC00-011(29/102) 403. AC voltage, current & power Ground Bond AC Current (0 Hz ~ 100 Hz) 0 A ~ 2 A A ~ 6 A A ~ 10 A A ~ 20 A A ~ 30 A A ~ 50 A A ~ 60 A Ground Bond Resistance 0 mω ~ 500 mω Power recorders Power P.F : 1 Power Calibrators, 60 Hz Multimeter calibrators 1 W ~ 10 W / HCT-CS W ~ 24 W W ~ 48 W W ~ 60 W W ~ 120 W W ~ 240 W W ~ 600 W W ~ 1.2 kw kw ~ 2.4 kw kw ~ 4.8 kw kw ~ 6 kw kw ~ 12 kw kw ~ 24 kw kw ~ 50 kw AC voltage (40 Hz ~ 1 khz) 1 V ~ 50 V V ~ 100 V V ~ 200 V V ~ 300 V V ~ 400 V AC Current (40 Hz ~ 1 khz) 0.1 A ~ 1 A A ~ 2 A A ~ 5 A A ~ 10 A A ~ 20 A A ~ 50 A A ~ 100 A A ~ 200 A AC voltmeters Multimeter calibrators, AC voltage (0 μv~ 300 μv) Digital Multimeter 40 Hz ~ 20 khz / HCTD-CS khz ~ 100 khz (300 μv ~ 1 mv) 40 Hz ~ 20 khz khz ~ 100 khz

28 Accreditation No. : KC00-011(30/102) 403. AC voltage, current & power AC voltage (1 mv ~ 3 mv) 40 Hz ~ 20 khz khz ~ 100 khz (3 mv ~ 10 mv) 40 Hz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (10 mv ~ 30 mv) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 100 khz (30 mv ~ 100 mv) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 100 khz (100 mv ~ 300 mv) 40 Hz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (300 mv ~ 1 V) 40 Hz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (1 V ~ 3 V) 40 Hz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (3 V ~ 10 V) 40 Hz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (10 V ~ 30 V) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (30 V ~ 100 V) 40 Hz ~ 10 khz khz ~ 20 khz khz ~ 50 khz khz ~ 100 khz (100 V ~ 300 V) 40 Hz ~ 10 khz (300 V ~ V) 40 Hz ~ 10 khz

29 Accreditation No. : KC00-011(31/102) 403. AC voltage, current & power Frequency Response db( V) 20 Hz ~ 100 khz db 100 khz ~ 200 khz db Output Voltage (0 V ~ 1 V) 100 Hz ~ 20 khz khz ~ 50 khz Other DC & LF Measurements LF amplifiers Multimeter calibrators, Gain (DC ~ 1 khz) Digital Multimeter 0 V ~ 1 V /HCT-CS V ~ 10 V V ~ 100 V (1 khz ~ 10 khz) 0 V ~ 1 V V ~ 10 V V ~ 100 V (10 khz ~ 100 khz) 0 V ~ 1 V V ~ 10 V V ~ 100 V (DC ~ 1 khz) 0 ~ 60 db db (1 khz ~ 20 khz) 0 ~ 60 db db (20 khz ~ 100 khz) 0 ~ 40 db db DC/LF attenuators Function Generator, Attenuator (20 Hz ~ 10 khz) Digital Multimeters 0 db ~ 30 db db /HCT-CS db ~ 40 db db 40 db ~ 50 db db 50 db ~ 60 db db (10 ~ 20) khz 0 db ~ 30 db db 30 db ~ 40 db db 40 db ~ 50 db db 50 db ~ 60 db db (20 ~ 100) khz 0 db ~ 30 db 0.01 db 30 db ~ 40 db 0.02 db 40 db ~ 50 db 0.03 db 50 db ~ 60 db 0.11 db Multimeter calibrators Standard cell, DC Voltage 0 mv ~ 100 mv Standard resistance, -0 mv ~ -100 mv Digital Multimeter 100 mv ~ 1 V /HCT-CS mv ~ -1 V V ~ 10 V V ~ -10 V V ~ 100 V

30 Accreditation No. : KC00-011(32/102) 404. Other DC & LF Measurements DC Voltage V ~ -100 V V ~ V V ~ V (DC ~ 10 Hz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V AC Voltage (10 Hz ~ 40 Hz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V V ~ V (40 Hz ~ 100 Hz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V V ~ V (100 Hz ~ 500 Hz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V V ~ V (500 Hz ~ 1 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V V ~ V (1 khz ~ 10 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V (10 khz ~ 20 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V (20 khz ~ 50 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V

31 Accreditation No. : KC00-011(33/102) 404. Other DC & LF Measurements AC Voltage (50 khz ~ 100 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V V ~ 100 V (100 khz~ 200 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V (200 khz~ 500 khz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V (500 khz~ 1 MHz) 0 mv ~ 100 mv mv ~ 1 V V ~ 10 V DC Current 0 μa ~ 100 μa μa ~ -100 μa μa ~ 1 ma μa ~ -1 ma ma ~ 10 ma ma ~ -10 ma ma ~ 100 ma ma ~ -100 ma ma ~ 1 A ma ~ -1 A A ~ 10 A A ~ -10 A A ~ 20 A A ~ -20 A AC Current (10 Hz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A (10 Hz ~ 40 Hz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A (40 Hz ~ 55 Hz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A

32 Accreditation No. : KC00-011(34/102) 404. Other DC & LF Measurements AC Current (55 Hz ~ 100 Hz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A (100 Hz ~ 200 Hz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A (200 Hz ~ 500 Hz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A (500 Hz ~ 1 khz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A (1 khz ~ 2 khz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A (2 khz ~ 5 khz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A A ~ 10 A A ~ 20 A

33 Accreditation No. : KC00-011(35/102) 404. Other DC & LF Measurements AC Current (5 khz ~ 10 khz) 0 μa ~ 100 μa μa ~ 1 ma ma ~ 10 ma ma ~ 100 ma ma ~ 1 A Resistance 0 Ω ~ 1 Ω Ω ~ 10 Ω Ω ~ 100 Ω Ω ~ 1 kω kω ~ 10 kω kω ~ 100 kω kω ~ 1 MΩ MΩ ~ 10 MΩ MΩ ~ 100 MΩ Oscilloscope calibrators Digital Multimeters, DC voltage -200 V ~ -150 V Counters,Powermeters -150 V ~ -100 V / HCT-CS V ~ -50 V V ~ -25 V V ~ -10 V V ~ -5 V V ~ -2.5 V V ~ -1 V V ~ 500 mv mv ~ -250 mv mv ~ -100 mv mv ~ -50 mv mv ~ -25 mv mv ~ -10 mv mv ~ -5 mv mv ~ -2.5 mv mv ~ 0 mv mv ~ 2.5 mv mv ~ 5 mv mv ~ 10 mv mv~ 25 mv mv~ 50 mv mv~ 100 mv mv~ 250 mv mv ~ 500 mv mv ~ 1 V V ~ 2.5 V V ~ 5 V V ~ 10 V V ~ 25 V V ~ 50 V V ~ 100 V V ~ 150 V V ~ 200 V