HCT correction
Certificate and items of recognition
Correction Certificate
KOLAS Korean Certification Certificate
KOLAS English Certificate
A2LA Certificate of Recognition
Recognition items
Large category - Medium category - Small category
| 10201 | Ball; steel ball, standard ball, etc. | 10203 | Mechanical/Electrical Comparator | 10206 | Dial/Cylinder Gauge Tester |
|---|---|---|---|---|---|
| 10207 | Doctor Blade | 10209 | End bar, micrometer reference bar | 10210 | Length displacement transducer, LVDT |
| 10211 | Gap gauge | 10212 | Film applicator | 10213 | Gap gauge |
| 10214 | Gauge block, comparative calibration | 10216 | Height gauge/measuring device | 10219 | linear scale |
| 10220 | Standard length measuring instrument | 10223 | electric micrometer | 10224 | Height micrometer, support block |
| 10225 | Laser Scan Micrometer | 10227 | Standard inner/outer diameter tape measure | 10228 | Cylindrical plug/pin gauge, Wire gauge for screw measurement |
| 10228 | Radius Gauge | 10229 | Cylindrical ring gauge | 10231 | Gauge block step specimen |
| 10232 | Staff gauge, caliper checker | 10233 | Tapered gap gauge | 10234 | Ultrasonic thickness gauge |
| 10235 | Reference specimen for thickness measurement; Coated, ultrasonic specimen |
10236 | Film thickness gauge | 10237 | torque arm |
| 10238 | Reference specimen for width measurement | ||||
| 10304 | Angle regular, including combination set | 10311 | Balance/Square/Electric Level | 10317 | Sign bar, plate, table, center |
|---|---|---|---|---|---|
| 10318 | Squareness tester | 10319 | Cylinder square | 10320 | Precision right angle standard, right angle ruler |
| 10401 | Shape measuring machine | 10404 | optical flat | 10405 | Optical Parallel |
|---|---|---|---|---|---|
| 10406 | parallel blocks | 10407 | Precision plate | 10408 | Contour Gauge |
| 10409 | Roundness measuring instrument | 10412 | straight edge | 10413 | straight ruler |
| 10415 | Test bar | 10416 | Spherometer | ||
| 10501 | Base gauge for bulb | 10503 | Contact coordinate measuring machine | 10504 | Non-contact coordinate measuring machine |
|---|---|---|---|---|---|
| 10505 | Gauge block accessories | 10508 | Hardness tester gauge | 10511 | Measuring microscope, measuring projector |
| 10512 | Microscope | 10513 | orifice plate | 10517 | stylus-type surface roughness measuring instrument |
| 10518 | Socket gauge for light bulbs | 10525 | Screw plug gauge | 10529 | V-block and box block |
| 10601 | Inner/Outer/Gear Thickness caliper, caliper gauge |
10603 | Cylinder/Bore Gauge | 10604 | Depth gauge, micrometer; Including dial type |
|---|---|---|---|---|---|
| 10605 | Dial/digital gauge | 10608 | Grind Gauge | 10609 | Guideline micrometer, test indicator |
| 10610 | micrometer head | 10611 | 3-point micrometer | 10612 | Inside micrometer |
| 10613 | Outside micrometer | 10615 | particle counter | 10617 | Standard body |
| 10620 | welding gauge | 10621 | optical micrometer | 10622 | particle dilution device |
| 20105 | Iequal ratio pan manual scale | 20106 | Pan instruction scale | 20108 | Half-direction scale |
|---|---|---|---|---|---|
| 20109 | Electric indicator scale | 20112 | Pansudong/Flat Form Scale | 20113 | Pan indicator scale, spring indicator scale |
| 20114 | Manual weighing scale | 20116 | Division and weight | ||
| 20202 | force meter | 20203 | Tensile and Compression Tester | 20204 | Push-pull gauge |
|---|
| 20302 | Torque meter | 20303 | Torque wrenches and torque drivers | ||
|---|---|---|---|---|---|
| 20401 | altimeter | 20402 | Liquid-type pressure gauges; inclined tube, U-tube, single-tube, etc. | 20406 | Absolute pressure gauge; dial, digital, Barometers, recorders, etc. |
|---|---|---|---|---|---|
| 20408 | flexible pressure gauge | 20409 | Pressure gauge; digital, with dial | 20411 | Pressure gauges for gauge pressure; dial, digital, recorder, etc. |
| 20412 | Pressure transducer/transmitter | 20413 | Dial type vacuum gauge | 20414 | Depth gauge |
| 20601 | Glass volumetric; including other materials | 20602 | Specimen; stainless steel included | 20605 | Concrete air content tester |
|---|---|---|---|---|---|
| 20606 | piston-type volume meter | ||||
| 20702 | Liquid density meter | 20704 | salinometer | 20705 | saccharometer |
|---|---|---|---|---|---|
| 20707 | chloride meter | ||||
| 20802 | Rotational kinematic viscometer | ||||
|---|---|---|---|---|---|
| 20901 | Hot wire anemometer | 20902 | Pitot tube anemometer, etc. | 20908 | Differential pressure flow meter for gas |
|---|---|---|---|---|---|
| 20909 | Differential pressure flow meter for liquids | 20910 | Electromagnetic flow meter for liquids | 20911 | Thermal mass flow meter for gas |
| 20912 | Coriolis mass flow meter for liquids | 20914 | Volumetric flow meter for gases | 20915 | Volumetric flow meter for liquids |
| 20916 | Turbine flowmeter for gas | 20917 | Turbine flowmeter for liquids | 20918 | Ultrasonic flow meter for gas |
| 20919 | Ultrasonic flow meter for liquids | 20920 | Area flow meter for gas | 20921 | Area flow meter for liquids |
| 20922 | Gas flow meter | 20923 | Flow meter for liquids | 20925 | Rotary current meter |
| 30102 | Frequency standard | 30103 | frequency generator | 30104 | Frequency meter/counter |
|---|---|---|---|---|---|
| 30105 | Time interval generator | 30106 | Time interval meters, stopwatches and Timer |
||
| 30201 | Standard rotation speed generator | 30202 | Contact tachometer | 30203 | Optical tachometer |
|---|---|---|---|---|---|
| 30205 | Wow-Furter Generator | 30206 | Wow-Furter Meter | ||
| 40101 | DC ammeter | 40102 | DC voltage current converter | 40103 | DC voltage/current calibrator |
|---|---|---|---|---|---|
| 40104 | Electric temperature calibrator (Sensor not included) |
40105 | DC shunt | 40106 | galvanometer |
| 40108 | DC power supply | 40110 | DC voltage divider | 40111 | Electronic DC reference voltage |
| 40112 | DC voltmeter/differential voltmeter, etc. | 40113 | Static/Ion Meter | ||
| 40201 | Capacity bridge/indicator | 40202 | Stepped capacitor | 40204 | Standard capacity |
|---|---|---|---|---|---|
| 40205 | Grounding resistance meter | 40208 | Induction motor, step induction motor, etc. | 40210 | insulation tester |
| 40211 | Q-meter | 40213 | Resistance bridges and similar equipment | 40214 | Resistance meter, high resistance meter, etc. |
| 40215 | Resistor, standard resistor, Step resistance, high resistance, etc. |
40216 | Electrical conductivity meter | 40217 | Impedance bridge/LCR meter |
| 40301 | AC ammeter | 40302 | Clamp-type ammeter/voltmeter | 40303 | AC voltage/current corrector |
|---|---|---|---|---|---|
| 40304 | Power meter calibrator | 40305 | AC current shunt | 40310 | Power factor meter, inefficiency meter, etc. |
| 40311 | AC power meter, superficial, Harmonic and reactive power meters, etc. |
40312 | AC power supply | 40313 | Withstanding voltage/electrical safety tester |
| 40314 | Power recorder | 40318 | AC voltmeter/potential difference, effective value | ||
| 40401 | Low frequency amplifiers, charge/voltage amplifiers, etc. | 40402 | DC/low frequency attenuator | 40403 | Multimeter calibrator; individual recognition of sub-attributes |
|---|---|---|---|---|---|
| 40404 | Waveform Meter Calibrator | 40406 | Video signal generator | 40407 | Audio Analyzer/Distortion Meter |
| 40408 | low frequency filter | 40409 | low frequency signal analyzer, Audio frequency analyzer, etc. |
40410 | Power frequency meter |
| 40411 | Multifunction waveform generator, Square wave generator, etc. |
40412 | Genescope | 40413 | DC/AC high voltage meter |
| 40416 | Leakage current tester | 40417 | Direct/AC electronic load | 40419 | Analog/digital multimeter; Individual recognition of sub-attributes |
| 40420 | Noise voltage meter | 40421 | waveform meter | 40422 | low-frequency phase meter |
| 40423 | random waveform generator | 40424 | Voltage current recorder | 40425 | Relay tester |
| 40426 | LF signal generator | 40427 | Low-frequency spectrum analyzer | 40429 | Sweep generator |
| 40432 | Transistor characteristic curve measuring instrument | 40433 | waveform analyzer | 40434 | DC/AC high voltage output |
| 40435 | DC/AC high voltage probe | 40436 | logic circuit analyzer | 40437 | phone tester |
| 40438 | Video signal analyzer | ||||
| 40503 | flux meter | 40504 | flux circle | 40508 | magnetometer |
|---|---|---|---|---|---|
| 40510 | standard magnet | ||||
| 40601 | high frequency amplifier | 40602 | coaxial attenuator | 40603 | waveguide attenuator |
|---|---|---|---|---|---|
| 40605 | Burst pulse generator | 40606 | Attenuator Corrector | 40607 | High Frequency Power Meter Calibrator |
| 40608 | Converter for EMC | 40610 | Coaxial directional coupler/splitter | 40611 | Waveguide directional coupler |
| 40613 | static electricity generator | 40614 | EMC receiver | 40615 | High frequency/electromagnetic wave filter |
| 40616 | High frequency impedance meter | 40617 | High frequency impulse generator | 40618 | Power impedance stabilization circuit |
| 40619 | Coaxial standard mismatch | 40621 | Mobile Communications Comprehensive Tester | 40622 | modulation system |
| 40623 | circuit analyzer | 40624 | Noise factor meter | 40625 | noise generator |
| 40626 | Noise Shock Wave Tester | 40635 | High frequency power meter | 40636 | Diode power detector |
| 40637 | Thermocouple power detector | 40638 | pulse generator | 40639 | radar test device |
| 40640 | High frequency signal generator | 40641 | High frequency spectrum analyzer | 40642 | speedometer |
| 40643 | Surge generator | 40645 | High frequency termination | 40646 | Coaxial thermistor mount |
| 40648 | Transmission failure measurement tester | 40650 | High frequency voltmeter | 40651 | Vector voltmeter |
| 40652 | electromagnetic field strength meter | 40653 | modulation signal generator | 40654 | Deep Simulator |
| 40701 | Leakage electromagnetic wave meter | 40702 | Probe type | 40703 | Dipole antenna type |
|---|---|---|---|---|---|
| 40704 | Fantasy antenna type | 40705 | Monopole antennas | 40707 | Horn antenna type |
| 50101 | Temperature generator; oven, electric furnace, Liquid thermostatic bath, freezing bath, Dry block corrector, etc. |
50102 | Temperature indicator; Indicator/Record/ Controllers, temperature calibrators, etc. |
50103 | Glass thermometer; glass thermometer, Beckman thermometer, etc. |
|---|---|---|---|---|---|
| 50104 | Resistance thermometer; Platinum resistance thermometer, resistance thermometer, Thermistors, etc. |
50105 | Thermal expansion thermometer; Bimetallic thermometer, gas or Liquid-filled thermometers, etc. |
50106 | Thermocouples; precious metals, non-metals, Pure metals, specials, etc. |
| 50107 | temperature converter | ||||
| 50204 | Radiation thermometer | 50205 | Radiant heat imaging device | 50206 | In black |
|---|
| 50301 | Dew point hygrometer; cooling mirror, Alumina thin film, etc. |
50302 | Relative humidity hygrometer; polymer thin film, Hair, etc. |
50304 | Temperature and humidity recorder; Magnetic thermohygrometer, etc. |
|---|---|---|---|---|---|
| 50305 | Dew point/relative humidity converter | 50306 | Humidity generator; two-pressure/two-ion/ Classification humidity generator, Temperature and humidity chamber, etc. |
||
| 60102 | Acoustic Corrector ; Sound pressure level corrector, piston phone |
60104 | microphone | 60106 | sound level meter |
|---|
| 60301 | Vibration meter calibrator | 60302 | Vibration transducer | 60303 | Vibration meter |
|---|
| 70101 | photometer | 70102 | Luminometer | 70103 | Electrooptical anemometer |
|---|---|---|---|---|---|
| 70104 | photometer | ||||
| 70202 | Color temperature meter | 70203 | Color temperature standard bulb | 70204 | Colorimetric; light source color |
|---|---|---|---|---|---|
| 70209 | Standard light bulb with full luminous flux | 70213 | Display colorimeter; Brightness, color coordinates, white balance, etc. |
70214 | Luminous standard bulb |
| 70215 | Spectral irradiance standard bulb | 70216 | Standard bulb for total spectral radiant flux | 70217 | Luminance standard illuminant |
| 70218 | Spectral radiance standard illuminant | 70219 | UV irradiance meter | 70220 | spectroradiometer |
| 70221 | Spectroradiometer | 70222 | spectroradiometer | 70223 | spectroradiometer |
| 70301 | color system; object color | 70306 | gloss meter | 70315 | optical densitometer |
|---|---|---|---|---|---|
| 70319 | reflectometer | 70321 | refractometer | 70323 | Transmittance meter |
| 70325 | Spectrophotometer; Fourier transform Infrared spectrophotometer included |
||||
| 70402 | Broadband light source | 70410 | optical attenuator | 70413 | Optical attenuation meter |
|---|---|---|---|---|---|
| 70415 | Optical multimeter | 70417 | optical spectrum analyzer | 70418 | Time-domain reflectometer |
| 70430 | ASE light source | 70433 | Optical power-stabilized lasers and LDs | ||
| 90101 | breathalyzer | 90102 | Atmospheric gas monitor | 90103 | gas analyzer |
|---|---|---|---|---|---|
| 90104 | exhaust gas meter | ||||