At HM Tech, our commitment is to achieve excellence in customer service.

    Scope and Field of Accreditation

    101 Frequency of radiatio

    • Classification number
      Calibration Items
    • 10101
      Laser frequency
    • 10199
      Other

    102 Linear dimension

    • Classification number
      Calibration Items
    • 10201
      Balls
    • 10202
      Extensometer calibrators
    • 10203
      Electrical/mechanical comparators
    • 10204
      Gauge block comparators
    • 10205
      Ring gauge comparators
    • 10206
      Dial/cylinder gauge testers
    • 10207
      Doctor blades
    • 10208
      Distance meters; electrooptic/laser/ultrasonic
    • 10209
      End bars
    • 10210
      Extensometers, linear displacement transducers
    • 10211
      Filler gauges
    • 10212
      Film applicators
    • 10213
      Gap gauges
    • 10214
      Gauge blocks, by comparison
    • 10215
      Gauge blocks, by interferometry
    • 10216
      Height gauges/measuring machines
    • 10217
      Laser interferometers
    • 10218
      Line standards
    • 10219
      Linear scales
    • 10220
      Standard measuring machines
    • 10221
      Micro scales/standard scales
    • 10222
      Air micrometers
    • 10223
      Electronic micrometers
    • 10224
      Height micrometers, riser blocks
    • 10225
      Laser scan micrometers
    • 10226
      Optical scales
    • 10227
      Standard tape rules, peripheral gauges
    • 10228
      Cylindrical plug/pin gauges, thread measuring wire gauges
    • 10229
      Radius gauges
    • 10230
      Cylindrical ring gauges

    103 Angle

    • Classification number
      Calibration Items
    • 10301
      Angle comparator
    • 10302
      Angle gauge block
    • 10303
      Autocollimator
    • 10304
      Bevel protractors
    • 10305
      Brake testers
    • 10306
      Clinometers
    • 10307
      Collimators
    • 10308
      Fine angle generators, level comparators
    • 10309
      Gyrostations
    • 10310
      Indexing tables
    • 10311
      Plate/square/electric levels
    • 10312
      Auto levels
    • 10313
      Optical dividing heads
    • 10314
      Penta-prisms
    • 10315
      Polygons
    • 10316
      Rotary tables
    • 10317
      Sine bars, plates, tables, centers
    • 10318
      Squareness testers, right angle testers
    • 10319
      Cylindrical squares
    • 10320
      Precision squares
    • 10321
      Theodolites, transits
    • 10322
      Angular dislpacement transducers
    • 10323
      Alignment telescopes, line of sight collimaters
    • 10324
      Calibration system for survey instruments
    • 10325
      Jig transits
    • 10326
      Laser levels
    • 10327
      Optical wedges
    • 10399
      Other

    104 Form

    • Classification number
      Calibration Items
    • 10401
      Form testers
    • 10402
      Lens/radius standards
    • 10403
      Optical flat testers
    • 10404
      Optical flats
    • 10405
      Optical parallels
    • 10406
      Parallel blocks
    • 10407
      Precision surface plates
    • 10408
      Profile gauges
    • 10409
      Roundness measurement instruments
    • 10410
      Form standard specimens
    • 10411
      Roundness standard/roundness magnification standard specimens
    • 10412
      Straight edges
    • 10413
      Straight rules
    • 10414
      Straightness measuring machines
    • 10415
      Test bars
    • 10416
      Spherometers
    • 10499
      Other

    105 Complex geometry

    • Classification number
      Calibration Items
    • 10501
      Base gauges for electric bulb
    • 10502
      Bench centers
    • 10503
      Contact coordinate measuring machines
    • 10504
      Non-contact coordinate measuring machines
    • 10505
      Gauge block accessories
    • 10506
      Gear measuring instruments
    • 10507
      Gear standards
    • 10508
      Hardness indenters
    • 10509
      Laser scan surveys
    • 10510
      Laser trackers
    • 10511
      Measuring microscopes, profile projectors
    • 10512
      Micro measuring microscopes
    • 10513
      Orifice plates
    • 10514
      Taper plug gauges
    • 10515
      Taper ring gauges
    • 10516
      Non-contact optical roughness testers
    • 10517
      Stylus type roughness testers
    • 10518
      Socket gauges for electric bulb
    • 10519
      Roughness standard/comparison specimens
    • 10520
      Spline and serration gauges
    • 10521
      Taper measurement instruments
    • 10522
      Thread caliper gauges
    • 10523
      Thread measuring machines
    • 10524
      Thread pitch measuring machines
    • 10525
      Thread plug gauges
    • 10526
      Taper thread plug gauges
    • 10527
      Thread ring gauges
    • 10528
      Taper thread ring gauges
    • 10529
      V-blocks, box blocks
    • 10530
      Position gauges
    • 10531
      SEM/TEM/SPM/AFM microscopes
    • 10599
      Other

    106 Various dimensional

    • Classification number
      Calibration Items
    • 10601
      Inside/outside/gear tooth calipers, caliper gauges
    • 10602
      Cryptometers
    • 10603
      Cylinder/bore gauges
    • 10604
      Depth gauges, depth micrometers (Including dial type)
    • 10605
      Dial/digital gauges
    • 10606
      Geodesic baselines
    • 10607
      GPS surveys
    • 10608
      Grind gauges
    • 10609
      Micro indicators, test indicators
    • 10610
      Micrometer heads
    • 10611
      3-point micrometers
    • 10612
      Inside micrometers
    • 10613
      Outside micrometers
    • 10614
      Offset of retroreflectors
    • 10615
      Particle counters
    • 10616
      Planimeters
    • 10617
      Standard sieves
    • 10618
      Total stations
    • 10619
      Water level meters
    • 10620
      Welding gauges
    • 10621
      Optical micrometers
    • 10699
      Other

    201 Mass

    • Classification number
      Calibration Items
    • 20101
      Auto-conveyor scale balances
    • 20102
      Auto-hopper scale balances
    • 20103
      Auto-packer scale balances
    • 20104
      Axle weigher balances
    • 20105
      Counter beam balances
    • 20106
      Dial platform scale balances
    • 20107
      Dial swing scale balances
    • 20108
      Direct reading balances
    • 20109
      Electric balances
    • 20110
      Equal arm balances
    • 20111
      Manual swing scale balances
    • 20112
      Platform scale balances
    • 20113
      Spring scale balances
    • 20114
      Trip balances
    • 20115
      Weight difference checkers
    • 20116
      Weights
    • 20199
      Other

    202 Force

    • Classification number
      Calibration Items
    • 20201
      Force calibration machines
    • 20202
      Force measuring devices
    • 20203
      Tension/compression testing machines
    • 20204
      Push-pull gauges
    • 20299
      Other

    203 Torque

    • Classification number
      Calibration Items
    • 20301
      Torque calibration machines
    • 20302
      Torque measuring devices
    • 20303
      Torque wrenches/drivers
    • 20399
      Other

    204 Pressure

    • Classification number
      Calibration Items
    • 20401
      Altimeters
    • 20402
      Manometers - inclinometers, U-tube, and well-type
    • 20403
      Pneumatic pressure balances
    • 20404
      Hydraulic pressure balances
    • 20405
      Air data test systems
    • 20406
      Absolute pressure gauges - dial, digital, barometers, recorders
    • 20407
      Blood pressure gauges
    • 20408
      Compound pressure gauges
    • 20409
      Differential pressure gauges - digital, dial included
    • 20410
      Dynamic pressure gauges - pneumatic, hydraulic
    • 20411
      Gauge pressure gauges - dial, digital, recorders
    • 20412
      Pressure transducers/transmitters
    • 20413
      Dial type vacuum gauges
    • 20414
      Water Depth meters
    • 20499
      Other

    205 Vacuum

    • Classification number
      Calibration Items
    • 20501
      Capacitance diaphragm gauges
    • 20502
      Spinning rotor gauges
    • 20503
      Ionization gauges
    • 20504
      Thermal conductivity gauges; pirani, thermocouple, convectron, etc.
    • 20505
      Standard leaks, Helium leak detectors
    • 20599
      Other

    206 Volume

    • Classification number
      Calibration Items
    • 20601
      Volumetric glasswares; including other materials
    • 20602
      Pycnometers; including stainless steel
    • 20603
      Rain gauges
    • 20604
      Standard volume vessels
    • 20605
      Concrete air content meters
    • 20606
      Piston type volume meters
    • 20699
      Other

    207 Density

    • Classification number
      Calibration Items
    • 20701
      Gas density meters
    • 20702
      Liquid density meters
    • 20703
      Solid density meters
    • 20704
      Salinity meters
    • 20705
      Sucrose meters
    • 20706
      Hydrometers; density, specific gravity, alcohol, API, baume, sugar, milk, soil, salinity, LPG, etc.
    • 20707
      Chloride meters
    • 20799
      Other

    208 Viscosity

    • Classification number
      Calibration Items
    • 20801
      Kinematic viscometers; capillary, etc.
    • 20802
      Dynamic viscometers; rotational, etc.
    • 20899
      Other

    209 Fluid flow

    • Classification number
      Calibration Items
    • 20901
      Anemometers; hot-wire
    • 20902
      Anemometers; pitot tube, etc.
    • 20903
      Gas flowmeter calibrators; gravimetric
    • 20904
      Gas flowmeter calibrators; volumetric
    • 20905
      Liquid flowmeter calibrators; gravimetric
    • 20906
      Liquid flowmeter calibrators; volumetric
    • 20907
      Current meters
    • 20908
      Gas flowmeters; differential pressure
    • 20909
      Liquid flowmeters; differential pressure
    • 20910
      Liquid flowmeters; electromagnetic
    • 20911
      Gas flowmeters; thermal mass, etc.
    • 20912
      Liquid flowmeters; Coriolis, etc.
    • 20913
      Liquid flowmeters; open channel, etc.
    • 20914
      Gas flowmeters; positive displacement
    • 20915
      Liquid flowmeters; positive displacement
    • 20916
      Gas flowmeters; turbine
    • 20917
      Liquid flowmeters; turbine
    • 20918
      Gas flowmeters; ultrasonic
    • 20919
      Liquid flowmeters; ultrasonic
    • 20920
      Gas flowmeters; variable area
    • 20921
      Liquid flowmeters; variable area
    • 20922
      Gas flowmeters; vortex
    • 20923
      Liquid flowmeters; vortex
    • 20924
      Anemometers; laser Doppler
    • 20925
      Anemometers; vane, etc.
    • 20999
      Other

    210 Hardness

    • Classification number
      Calibration Items
    • 21001
      Brinell hardness testers
    • 21002
      Rockwell hardness testers
    • 21003
      Shore hardness testers
    • 21004
      Vickers hardness testers
    • 21005
      Durometer hardness testers
    • 21006
      Leeb hardness testers
    • 21007
      Indenters
    • 21099
      Other

    211 Impact

    • Classification number
      Calibration Items
    • 21101
      Impact strength testers; maximum impact indicators, impact recorders, overload impact indicators, etc.
    • 21102
      Charpy impact testers
    • 21103
      Izod impact testers
    • 21199
      Other

    301 Time & frequency

    • Classification number
      Calibration Items
    • 30101
      Clock/chronometers
    • 30102
      Frequency standards
    • 30103
      General frequency sources
    • 30104
      Frequency meters/counters
    • 30105
      Time interval sources
    • 30106
      Time interval meters/stopwatches/timers
    • 30199
      Other

    302 Velocity & revolution

    • Classification number
      Calibration Items
    • 30201
      Standard RPM generators
    • 30202
      Contact type tachometers
    • 30203
      Photo tachometers/stroboscopes
    • 30204
      Speed meters
    • 30205
      Wow-flutter generators
    • 30206
      Wow-flutter meters
    • 30299
      Other

    401 DC volatage & current

    • Classification number
      Calibration Items
    • 40101
      DC ammeters
    • 40102
      Transconductance amplifiers
    • 40103
      DC voltage/current calibrators
    • 40104
      Electrical temperature calibrators (sensor excluded)
    • 40105
      DC current shunts
    • 40106
      Galvanometers/null detectors
    • 40107
      Potentiometers
    • 40108
      DC power supplies
    • 40109
      Standard cells
    • 40110
      DC voltage dividers
    • 40111
      DC voltage standards
    • 40112
      DC voltmeters/differential voltmeters, etc.
    • 40113
      Static/ionic voltmeters
    • 40199
      Other

    402 Resistance, capacitance and inductance

    • Classification number
      Calibration Items
    • 40201
      Capacitance bridges/indicators
    • 40202
      Decade capacitors
    • 40203
      High voltage capacitors
    • 40204
      Standard capacitors
    • 40205
      Earth testers
    • 40206
      Inductance bridges/indicators
    • 40207
      Inductive voltage dividers
    • 40208
      Inductors
    • 40209
      Mutual inductors
    • 40210
      Insulation testers
    • 40211
      Q-meters
    • 40212
      Direct reading ratio sets
    • 40213
      Resistance bridges & similar instruments
    • 40214
      Resistance meters
    • 40215
      Resistors
    • 40216
      Electrical conductivity meters
    • 40217
      Impedance bridges/LCR meters
    • 40299
      Other

    403 AC voltage, current & power

    • Classification number
      Calibration Items
    • 40301
      AC ammeters
    • 40302
      Clamp ammeters/voltmeters
    • 40303
      AC voltage/current calibrators
    • 40304
      Wattmeter calibrators
    • 40305
      AC current shunts
    • 40306
      Phase angle generators (synchro resolve generators)
    • 40307
      Voltage/current phase angle meters (synchro resolve meters)
    • 40308
      Potential transformer test sets
    • 40309
      Potential transformers
    • 40310
      Power factor meters
    • 40311
      AC power meters
    • 40312
      AC power supplies
    • 40313
      Puncture/safety testers
    • 40314
      Power recorders
    • 40315
      Current transformer test sets
    • 40316
      Current/turn current coil transformers
    • 40317
      LF thermal voltage converters
    • 40318
      AC voltmeters
    • 40319
      Watt hour meters
    • 40320
      Pulsed high voltage & current meters/welding current meters
    • 40321
      Ratio transformers
    • 40322
      Electric field meters
    • 40399
      Other

    404 Other DC & LF measurements

    • Classification number
      Calibration Items
    • 40401
      LF amplifiers
    • 40402
      DC/LF attenuators
    • 40403
      Multimeter calibrators
    • 40404
      Oscilloscope calibrators
    • 40405
      CD/DVD meters/analyzers
    • 40406
      Video signal generators
    • 40407
      Audio distortion analyzers/meters
    • 40408
      LF filters
    • 40409
      LF/audio signal analyzers
    • 40410
      Line frequency meters
    • 40411
      Function generators
    • 40412
      Genescopes
    • 40413
      AC/DC high voltage voltmeters
    • 40414
      LF impulse generators
    • 40415
      Jitter meters
    • 40416
      Leakage current testers
    • 40417
      Electronic AC/DC loads
    • 40418
      Modulation meters
    • 40419
      Analogue/digital multimeters
    • 40420
      Noise meters
    • 40421
      Oscilloscopes
    • 40422
      LF phase meters
    • 40423
      Random wave generators
    • 40424
      Voltage/current recorders
    • 40425
      Relay test sets
    • 40426
      LF signal generators
    • 40427
      LF spectrum analyzers
    • 40428
      Spot generators
    • 40429
      Sweep generators
    • 40430
      Signal transducers
    • 40431
      AC-DC transfer standards
    • 40432
      Transistor curve tracers
    • 40433
      Waveform analyzers
    • 40434
      AC/DC high voltage generators
    • 40435
      AC/DC high voltage probes
    • 40436
      Logic analyzers
    • 40437
      Telephone testers
    • 40438
      Video signal analyzers
    • 40499
      Other

    405 Low frequency electric & magnetic field

    • Classification number
      Calibration Items
    • 40501
      Coil systems
    • 40502
      Core loss testing sets
    • 40503
      Flux meters
    • 40504
      Flux sources
    • 40505
      LF Gauss meters
    • 40506
      Magnetic hysteresis graph systems
    • 40507
      Magnetic test sets
    • 40508
      Magnetometers
    • 40509
      Vibrating sample magnetometers
    • 40510
      Reference/standard magnets
    • 40511
      Search coils
    • 40512
      Eddy current test blocks
    • 40599
      Other

    406 Radio frequency measurement

    • Classification number
      Calibration Items
    • 40601
      RF Amplifiers
    • 40602
      Coaxial Attenuators
    • 40603
      Waveguide Attenuators
    • 40604
      BER (Bit Error Rate) Testers
    • 40605
      Burst Pulse Generators
    • 40606
      Attenuator Calibrators
    • 40607
      RF Power Meter Calibrators
    • 40608
      EMC Transducers
    • 40609
      Delay Lines
    • 40610
      Coaxial Directional Couplers/Splitters
    • 40611
      Waveguide Directional Couplers
    • 40612
      DS1/DS3 Communications Systems
    • 40613
      Electrostatic Discharge Generators
    • 40614
      EMC Receivers
    • 40615
      RF Filters
    • 40616
      RF Impedance Meters
    • 40617
      RF Impulse Generators
    • 40618
      Line Impedance Stabilization Networks (LISN, CDN, ISN, etc.)
    • 40619
      Coaxial Standard Mismatches
    • 40620
      Waveguide Standard Mismatches
    • 40621
      Mobile Communication Test Sets
    • 40622
      Modulation Meters
    • 40623
      Network Analyzers
    • 40624
      Noise Figure Meters
    • 40625
      Noise Generators
    • 40626
      Noise Impulse Simulators
    • 40627
      RF Phase Noise Meters
    • 40628
      Coaxial Noise Sources
    • 40629
      Waveguide Noise Sources
    • 40630
      Hot/Cold Noise Standards
    • 40631
      RF Phase Meters
    • 40632
      Coaxial Phase Shifters
    • 40633
      Waveguide Phase Shifters
    • 40634
      RF Micro-Potentiometers
    • 40635
      RF Power Meters
    • 40636
      Diode Power Sensors
    • 40637
      Thermocouple Power Sensors
    • 40638
      Pulse Generators
    • 40639
      Radar Test Sets
    • 40640
      RF Signal Generators
    • 40641
      RF Spectrum Analyzers
    • 40642
      RF Speed Guns
    • 40643
      Surge Generators
    • 40644
      SWR Meters
    • 40645
      RF Terminations
    • 40646
      Coaxial Thermistor Mounts
    • 40647
      Waveguide Thermistor Mounts
    • 40648
      Transmission Trouble Testers
    • 40649
      RF Thermal Voltage Converters
    • 40650
      RF Voltmeters
    • 40651
      Vector Voltmeters
    • 40652
      Field Strength Meters
    • 40653
      AM/FM Test Sources
    • 40654
      Dip Simulators
    • 40699
      Other

    407 Field strength & antenna

    • Classification number
      Calibration Items
    • 40701
      Microwave Leakage Monitors
    • 40702
      Probes
    • 40703
      Dipole Antennas
    • 40704
      Loop Antennas
    • 40705
      Monopole Antennas
    • 40706
      Microwave Radiation Hazard Monitors
    • 40707
      Horn Antennas
    • 40799
      Other

    501 Contact thermometry

    • Classification number
      Calibration Items
    • 50101
      Temperature Generators
    • 50102
      Temperature Indicators/Recorders/Controllers, Calibrators
    • 50103
      Glass Thermometers; Liquid-in-Glass, Beckmann
    • 50104
      Resistance Thermometers; SPRT, IPRT, Thermistors, etc.
    • 50105
      Thermal Expansion Thermometers; Bimetal, Gas or Liquid Type
    • 50106
      Thermocouples; Noble Metal, Base Metal, Pure Metal, Special Type, etc.
    • 50107
      Temperature Transducers
    • 50108
      Primary Fixed-Point Cells and Apparatus
    • 50109
      Other Thermometers; Quartz, Semiconductivity, Optical Fiber, etc.
    • 50199
      Other

    502 Non contact thermometry

    • Classification number
      Calibration Items
    • 50201
      Non-Contact Type Primary Fixed-Point Cells and Apparatus
    • 50202
      Standard Strip Lamps
    • 50203
      Optical Pyrometers
    • 50204
      Standard Radiation Thermometers
    • 50205
      Thermal Image Apparatus
    • 50206
      Blackbody Furnaces
    • 50207
      Other Thermometers; Ear Thermometers, etc.
    • 50299
      Other

    503 Humidity

    • Classification number
      Calibration Items
    • 50301
      Dew-Point Hygrometers; Chilled Mirror, Alumina Thin Film, etc.
    • 50302
      Relative Humidity Hygrometers; Polymer Thin Film, Hair, etc.
    • 50303
      Psychrometers; Assmann Ventilated, PRT Type, etc.
    • 50304
      Temperature Humidity Recorders; Hygrothermograph, etc.
    • 50305
      Dew-Point/Relative Humidity Transducers
    • 50306
      Humidity Generators; Two-Pressure, Two-Temperature, Flow Mixing Humidity Generator, Constant Temperature and Humidity Chamber, etc.
    • 50307
      Other Hygrometers; CRDS, QCM, P2O5 Electrolytic, Infrared Sensor, etc.
    • 50399
      Other

    504 Moisture

    • Classification number
      Calibration Items
    • 50401
      Cereal Moisture Meters
    • 50402
      Wood Moisture Meters
    • 50403
      Paper Moisture Meters
    • 50499
      Other

    601 Sound in air

    • Classification number
      Calibration Items
    • 60101
      Audiometers
    • 60102
      Sound Calibrators; Sound Pressure Level Calibrators, Pistonphones
    • 60103
      Ear Simulators
    • 60104
      Microphones
    • 60105
      Reference Sound Sources
    • 60106
      Sound Level Meters
    • 60199
      Other

    602 Sound in water

    • Classification number
      Calibration Items
    • 60201
      Ultrasonic Hydrophones
    • 60202
      Ultrasound Transducers
    • 60203
      Ultrasonic Power Meters
    • 60204
      Ultrasonic Power Calibrators
    • 60205
      Non-Ultrasonic Hydrophones
    • 60299
      Other

    603 Vibration

    • Classification number
      Calibration Items
    • 60301
      Vibration Calibrators
    • 60302
      Vibration Transducers
    • 60303
      Vibration Measuring Instruments
    • 60304
      Angular Vibration Calibrators
    • 60305
      Angular Vibration Transducers
    • 60306
      Angular Vibration Measuring Instruments
    • 60399
      Other

    701 Photometry

    • Classification number
      Calibration Items
    • 70101
      Iluminance Meters
    • 70102
      Luminance Meters
    • 70103
      Total Luminous Flux Meters
    • 70104
      Luminous Intensity Meters
    • 70199
      Others

    702 Property of detectors & source

    • Classification number
      Calibration Items
    • 70201
      Blackbody Radiation Sources
    • 70202
      Color Temperature Meters
    • 70203
      Color Temperature Standard Lamps
    • 70204
      Colorimeters; Source Color
    • 70205
      Irradiance Meters
    • 70206
      Laser Energy Meters
    • 70207
      Laser Power Meters
    • 70208
      Standard LED Light Sources
    • 70209
      Total Luminous Flux Standard Lamps
    • 70210
      Optical Detectors
    • 70211
      Pyranometers and Pyrheliometers
    • 70212
      Radiometers
    • 70213
      Display Color Analyzers; Luminance, Chromaticity, White Balance, etc.
    • 70214
      Luminous Intensity Standard Lamps
    • 70215
      Spectral Irradiance Standard Lamps
    • 70216
      Total Spectral Radiant Flux Standard Lamps
    • 70217
      Luminance Standard Sources
    • 70218
      Spectral Radiance Standard Sources
    • 70219
      UV Irradiance Meters
    • 70220
      Spectral Irradiance Meters
    • 70221
      Total Spectral Radiant Flux Meters
    • 70222
      Spectral Radiance Meters
    • 70223
      Spectral Radiant Intensity Meters
    • 70299
      Others

    703 Property of material

    • Classification number
      Calibration Items
    • 70301
      Colorimeters; Material Color
    • 70302
      Color Standard Filters
    • 70303
      Color Standard Papers/Paints
    • 70304
      Color Standard Tiles
    • 70305
      Dioptometers
    • 70306
      Gloss Meters
    • 70307
      Gloss Standard Plates
    • 70308
      Haze Meters
    • 70309
      Haze Standard Plates
    • 70310
      Interferometers
    • 70311
      Lens Testers
    • 70312
      Lens Meters
    • 70313
      Optical Density Standard Filters
    • 70314
      Optical Density Step Tablets
    • 70315
      Optical Densitometers
    • 70317
      Polarimeters
    • 70318
      Polarization Compensators
    • 70319
      Reflectance Meters
    • 70320
      Diffuse-Reflectance Meters
    • 70321
      Refractometers
    • 70322
      Color Comparators
    • 70323
      Transmittance Meters
    • 70324
      Whiteness Meters
    • 70325
      Spectrophotometers including FT-IR Spectrophotometers
    • 70326
      Wavelength Reference Materials; Absorption Cell, Bandpass Filter, etc.
    • 70327
      Retroreflectometers; Coefficient of Retroreflected Luminance
    • 70328
      Retroreflectometers; Coefficient of Retroreflected Luminous Intensity
    • 70399
      Others

    704 Fiber optics

    • Classification number
      Calibration Items
    • 70401
      Brillouin Optical Time Domain Reflectometers; B-OTDR
    • 70402
      Broadband Light Sources
    • 70403
      Wavelength Reference Gas Cells, Optical Communication Wavelength Bands; Acetylene, Hydrogen Cyanide, Carbon Monoxide, etc.
    • 70404
      Chromatic Dispersion Analyzers
    • 70405
      Fiber Optic Characteristics Measurement Equipment; Effective Area, Cut-off Wavelength, MFD
    • 70406
      Fiber geometry testers
    • 70407
      Fiber strain testers
    • 70408
      Multichannel laser sources
    • 70409
      Optical amplifier measuring systems
    • 70410
      Optical attenuators
    • 70411
      Optical couplers
    • 70412
      Fiber-optic power meters
    • 70413
      Optical loss testers
    • 70414
      Optical low-coherence reflectometers
    • 70415
      Optical multimeters
    • 70416
      Optical network analyzers
    • 70417
      Optical spectrum analyzers
    • 70418
      Optical time domain reflectometers; OTDR
    • 70419
      PDH/SDH analyzers
    • 70420
      Polarization dependent loss meters
    • 70421
      Polarization mode dispersion analyzers
    • 70422
      Refractive index profilers
    • 70423
      Return loss meters
    • 70424
      SDH/SONET analyzers
    • 70425
      SOP analyzers
    • 70426
      Multi-laser wavelength meters
    • 70427
      Wavelength sweep multichannel measuring systems
    • 70428
      Fiber spectral loss analyzers
    • 70429
      Frequency stabilized lasers and LDs
    • 70430
      ASE light sources
    • 70431
      CW-laser wavelength meters
    • 70432
      Pulse laser wavelength meters
    • 70433
      Optical power stabilized lasers and LDs
    • 70499
      Others

    801 Dosimetry

    • Classification number
      Calibration Items
    • 80101
      Air kerma strength
    • 80102
      Personal dosimeters; ADR, pocket
    • 80103
      Standard irradiations; beta, x, gamma
    • 80104
      Environmental monitors
    • 80105
      Ionization chambers; air kerma, water absorbed dose
    • 80106
      Beta/electron irradiators
    • 80107
      Photon irradiators; x-ray, gamma ray
    • 80108
      Beta survey meters
    • 80109
      X/gamma survey meters
    • 80199
      Others

    802 Radioactivity

    • Classification number
      Calibration Items
    • 80201
      Isotope calibrators
    • 80202
      Contamination counters; alpha, beta, gamma
    • 80203
      Geiger-Müller counters
    • 80204
      Unsealed alpha sources
    • 80205
      Unsealed beta sources
    • 80206
      Unsealed x/gamma sources
    • 80207
      Sealed alpha sources
    • 80208
      Sealed beta sources
    • 80209
      Sealed x/gamma sources
    • 80210
      Proportional counters
    • 80211
      Scintillation detectors; alpha, beta, x/gamma
    • 80212
      Semiconductor detectors; alpha, beta, x/gamma
    • 80213
      Liquid scintillation counters
    • 80299
      Others

    803 Neutron measurement

    • Classification number
      Calibration Items
    • 80301
      Neutron personal dosimeters; ADR, pocket
    • 80302
      Neutron irradiators
    • 80303
      Neutron emission rate
    • 80304
      Neutron dose/rate meters
    • 80305
      Neutron standard irradiation
    • 80499
      Others

    901 Chemical analysis

    • Classification number
      Calibration Items
    • 90101
      Breath alcohol analyzers
    • 90102
      Environmental air quality monitoring instruments
    • 90103
      Gas analyzers
    • 90104
      Exhaust gas test instruments
    • 90199
      Others

    902 Medical reference measurement laboratorie

    • Classification number
      Calibration Items
    • 90201
      Amount of substance concentration
    • 90202
      Mass concentration
    • 90203
      Catalytic activity concentration
    • 90299
      Others
    Details of the scope of recognition Certificate of recognition(KOR) Certificate of recognition(ENG)

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