Our Calibration Laboratories

Specialist Calibration Laboratories

Pressure, Force & Torque, DCLF, Dimensional, and Mass calibration disciplines supported by experienced technicians and quality management systems.

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One Partner

Why Multiple Labs Matter

HJR Microptic operates multiple specialist laboratories covering a wide range of calibration disciplines, including Dimensional, DCLF (Direct Current & Low Frequency), Force & Torque, Pressure, and Mass calibration. By offering a broad range of calibration services within one organisation, we simplify the calibration process, reduce administration, improve coordination, and help customers save valuable time. Whether a customer requires calibration of a single instrument or an entire fleet of equipment across different measurement disciplines, our team can manage the process efficiently from start to finish.

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Laboratory Details

Instruments We Calibrate

Select a laboratory below to view its full scope of calibration services.

Pressure Laboratory

Pressure measurement is critical across many industries where accuracy directly impacts safety, quality, and performance. Our Pressure Laboratory calibrates pressure gauges, digital pressure indicators, pressure transmitters, pressure switches, vacuum gauges, test gauges, and manometers.

View SANAS certificate(CAL 022-02 – Pressure Calibration)

Instruments we calibrate (22)

12 SANAS · 10 Report

BarometerBlow By Pressure Gauge (2 x Pressure Gauge)Burst TestersCompression TestersDigital Manometer (Per Port) Per 5 PointsDigital Pressure Calibrator - Per 5 PointsDigital Pressure Gauge - Per 5 PointsDigital Pressure IndicatorGas Leak DetectorsLeak Detector/TesterLow Pressure GaugeManometer - Liquid/MercuryPressure Gauge - per 5 pointsPressure Gauge per extra pointPressure Regulator

Force & Torque Laboratory

The Force & Torque Laboratory provides calibration services for equipment used to measure force, load, tension, and torque. Services include the calibration of load cells, force gauges, compression and tensile testing equipment, crane scales, pull testers, torque wrenches, torque screwdrivers, torque transducers, and related measuring instruments. Our SANAS-accredited and traceable calibrations help ensure accuracy, reliability, and compliance with quality standards.

View SANAS certificate(CAL 022-08 – Force & Torque Calibration)

Instruments we calibrate (39)

6 SANAS · 33 Report

Brake TestersCable TensiometerCable Tie AplicatorsChatillon Tester - Pull TesterCrush testerCube TesterDigital IndicatorDoor Effort GaugeDrop TesterDurometerForce GaugesForce Testing Machine - per direction (tension/compression)Hardness BlocksHardness Tester - BLCHardness Tester - HLD

Hardness Tester - Rockwell C or B per parameterHardness Tester - Shore AHardness Tester - Shore DHydraulic Test Set - per directionLoadcellsPower DynePreset Torque Pneumatic ToolPreset Torque WrenchPressPull TesterRotary Torque TransducerRubber Hardness BlockRubber Hardness TesterTensile TestersTension MeterTorque LeadersTorque Machines (Atlas Copco) per spindleTorque Meter (Torque Tester)Torque MultipliersTorque ScrewdriverTorque TesterTorque TransducerTorque Wrench less than 1000 N.mTorque Wrenches more than 1000 N.m

DCLF Laboratory

Direct Current & Low Frequency

Our DCLF Laboratory specialises in the calibration of electrical test and measurement equipment used in industrial, manufacturing, laboratory, and maintenance environments. Services include the calibration of multimeters, clamp meters, insulation testers, power supplies, process calibrators, temperature indicators, loop calibrators, and other direct current and low-frequency measuring instruments.

View SANAS certificate(CAL 022-01 – DCLF Calibration)

Instruments we calibrate (184)

127 SANAS · 57 Report

Amp MeterAnemometer HotAutoclave (at 1 Temp 121)Avo MeterBaking OvenBarfield TesterBattery Cap TesterBattery ChargersBearing HeaterBench Multimeter (6.5 Digits)Calibrator (per additional TC) on Temp Calb.Calog Calibrator (mA/Volts)Capacitance MeterClampmeterClimatic Chamber

Cold/Cool RoomsConductivity MetersConductivity TesterCool RoomCurrent Clamp - current onlyCurrent Clamp - volts/ohm/ampCurrent Clamp/WattmetersData Logger - per extra channel after 4 channels on one TCData Loggers - 4 Channels on one TCDecade Resistance - 3 DecadesDecade Resistance - Per Extra DecadeDew Point Meter/ProbeDial Thermometer (3 Points)Dielectric TesterDigi BoardDigishot GaugeDigital ClampmeterDigital Earth TestersDigital Multimeter - 3,5 DigitDigital Multimeter - 4,5 DigitDigital Multimeters - Bench top larger than 5,5 DigitsDigital RCD TesterDigital ThermometersDigital Thermometers with ProbeDischarge Lamp TesterDischarge SimulatorDruck Meter (electrical) Process CalDruck Ups-III-IS Loop Calibrators (mA/V)Dry Block Calibrators for 4 Points OnlyDry Block Calibrators for Extra PointsDrying TunnelsEarth Ground TesterEarth Leakage TestersEarth Resistance TestersEddyscopeEGT/CHT TesterELCB TesterElectrical Line TesterEurotherm TemperatureField MeterFreezer/ChillerFrequency Counter (smaller than 250MHz)Frequency Generator (smaller than 250M)Function Generator (smaller than 250M)FurnaceFuse Fault FinderGround Power UnitHi-pot Tester (30Kv to 100Kv)Hi-pot Tester (Up to 10Kv)Hi-pot Tester (Up to 20Kv)Hi-pot Tester (UP to 30Kv)High Temperature Chamber/OvenHigh Voltage Insulation TesterHigh Voltage ProbeHigh Voltage Tester (From 10Kv to 30Kv)High Voltage Tester (Smaller than 10Kv)Hobo Data Logger (For 4 Channels Only)Hobo Data Logger (For each channel after)Hot Box (3 Points)Hot Plate (3 Points)Humidity ChamberHumidity MetersHydrometerHygrometerIncubatorInduction HeatersInduction MeterInfrared CalibratorInfrared CameraInfrared Thermometer (IR)Insulation Megger / Tester (From 1 - 5Kv)Insulation Megger / Tester (From 5 - 10Kv)Insulation MultimeterInsulation Tester (smaller than 5hV)Laser ThermometerLCR MeterLeak Gauge Test Set (Static Tester)Load Tester CalibratorLoop Calibrator (mA/V)Loop Tester (mA/V)Low Temperature ChamberMega-Ohm Meter (smaller than 5kv)Megger Low Resistance (200A)Megger TesterMelt Flow IndexMemocal 81BMicro Ohm MeterMilli-Ohm MetersMilli-volt/Milli-amp MeterMin/Max ThermometerMulti-Insulation MeterMultifunction Generator/Tester - per functionMultimeter - 3,5 DigitMultimeter - Bench Top Larger than 5,5 DigitMultimeters - 4,5 DigitOHM MetersOscillator = Function Generator (C250M)Oscilloscopes - 2 Channels ( 250 MHz)Oscilloscopes - 2 Channels ( 250 MHz)Oscilloscopes - 4 Channels ( 250 MHz)Oscilloscopes - 4 Channels ( 250 MHz)OvensPanel Meters - HeaterPen RecorderPhase Rotation Meters/TestersPolarity TesterPole FinderPower MeterPower Quality AnalyzerPower Supplies - DualPower Supplies - SingleProbe Temperature 3 PointsProcess CalibratorProcess MeterPSC LoopPsychrometersPyrometersRCCB-ELCB TesterResistance MeterResistance Substitution Box For 4 DecadesResistance Substitution Box For Each Decade AfterRoller Speed - ElectricalScope Meter - 2 Channels & MultimeterScope meter - 4 Channels and MultimeterSignal Generators (smaller than (250 MHz)Socket TestersSolartron VoltmetersSoldering StationsSpark TesterSpot WeldersStatic TesterSurface Resistance TesterTemperature & Humidity MeterTemperature CalibratorTemperature Calibrators (1 type TC)Temperature Check Thermometer (3 Points Only)Temperature ControllerTemperature Gauge (3 Points)Temperature IndicatorTemperature Metrology Wells (5 Points)Temperature Probes (3 Points)Temperature Recorders - Per extra channel after 4 channelsTemperature Recorders (per 4 channels)Temperature Test SetTest Bench (Electrical)Test Boards (4 x Voltmeters)Test Panels (4 x Voltmeters)Thermal ImagerThermo-AnemometersThermocouple - 3 Point CalibationThermocouple - For each extra point afterThermocouples Indoor & Outdoor (3 Points)Thermohygrographs (Electrical or Dimensional)Thermometers (LIG) (3 Points)Thermopens (3 Points)Thermowell (5 Points)True RMS AC / DC ClampmeterTrue RMS MultimetersTurbine Temp Test SetsUnomats Process CalibratorVoltage Detectors LineVoltage Line TesterVoltage/Current CalibratorVoltmeterWater BathsWeld Current TestersWeld TesterWelding MachinesWeldscopes

Dimensional Laboratory

Precision dimensional measurement forms the foundation of quality assurance in engineering and manufacturing. We calibrate vernier calipers, micrometers, height gauges, dial indicators, bore gauges, engineering measuring equipment, and precision dimensional instruments.

View SANAS certificate(CAL 022-00 – Dimensional Calibration)

Instruments we calibrate (371)

49 SANAS · 322 Report

(3,5inch) 88,9mm Tube Skirtless Crimp Position Gauge2 Wire (3,5inch) 88,9mm Tube Skirtless Crimp Position Gauge2 Wire 88,9mm Tube Normal Crimp Gauge2 Wire 94mm Tube Skirttes2 Wire Netshock 88,9mm Crimp Height Gauge2 Wire Netshock Middle Crimp Diameter Gauge2 Wire Netshock Top Crimp Diameter Gauge2 Wire Top Crimp Diameter Gauge2 Wire Top/Middle Crimp Diameter Gauge3 Wire Top Crimp Diameter Gauge3D Reef Master Closure Gauges3D Taster4 Wire 94mm Tube Normal CR4 Wire Top/Middle Crimp Diameter GaugeAdaptor Setting Gauge

AEL GaugesAirflow MeterAkitek MachinesAluminium Gauge Plates - per sizeAnemometer - wind speedAngle BlockAngle FinderAngle Gauge eachAquaboy/Moisture MeterAuto Clip Gun TesterBack End MasterBallbar Calibrator - per ballBarrel AlignmentBearing MeterBelt SpeedBend TesterBevel ProtractorBlue Board GaugesBolster Gauge PlateBore Gauges - all anvil tips functionality and DTIBore Gauges - all anvil tips only visual and functionalityBottle SquaresBottle StandardsBox GaugeBranding ToolsBroad Width GaugeBuffer Height GaugeBullers Ring GaugeBumper Gap GaugeBuretteCalibration Blocks - per sizeCalibration Height BlocksCalibration RodsCalibration SlideCalibration TesterCaliper Gauge less than 600mmCan Height Gauge (setting gauge per size)Can Profile GaugesCan Seam StandardCargo HookCarousel SpeedCement MouldsCentre CheckCentrifugeChuck Seamming Set MasterCircumference TapeClinometersCoating Thickness TestersCoin Calibration Block BMWCombination SetsCombination SquaresComparator with DTICompassConcentric TesterConnector Block Detonator LockingConnector GaugeContinuity and Bell TesterConveyor SpeedCortex Machine GaugeCounter MeterCounter RespoolingCounter SpoolingCrimp Gauges - per diameterCrimping ToolsCross HatchCutting Wire - wire thickness onlyDensity MeterDepth Angle GaugesDepth Gauge - with dial test indicatorDepth Micrometer less than 300mmDepth Micrometer more than 300mmDepth VernierDia TapesDial ComparatorDial Test Indicator - Lever typeDial Test Indicator less than 10mmDial Test Indicator more than 10mmDial Vernier less than 600mmDial Vernier more than 600mmDiameter GaugeDigital Height Gauge more than 600mmDigital Height Gauges less than 600mmDigital LevelDigital Micrometer less than 500mmDigital Micrometers more than 500mmDigital ProtractorDigital PsychrometerDigital TimerDigital Vernier less than 600mmDigital Vernier more than 600mmDipping TapeDispenserDistance MeterDoubler GaugesDrum SpeedDumpy LevelsDynascopesElcometer Test BlockElcometersEnd StopEnvironmental Meter (wind speed/temperature/rh/barom. press)Fabric TesterFeeler GaugeFeeler Gauges - per bladeField Gauge for wheel wear limitsFill Height GaugesFixed GaugesFlasher GaugeFlasksFord CupFord Gap GaugesFR TemplatesFront End MasterFruit templates - per sizeGalvanise Tester - ThicknessGap Gauge (adjustable) Go/No goGauge Block Accessory SetGauge Blocks - 10 Piece SetsGauge Blocks - 112 Piece SetsGauge Blocks - 16 Piece SetsGauge Blocks - 32 Piece SetsGauge Blocks - 47 Piece SetsGauge Blocks - 68 Piece SetsGauge Blocks - 76 Piece SetsGauge Blocks - 87 Piece SetsGauge Blocks - LooseGauge Depth DiametersGauge Firing PinGauge HeadspaceGauge Max Bore MuzzlesGauge Plates - per sizeGauge Throat Opening - per sizeGauges - per size Go/No GoGauges/Test Piece - per sizeGeartooth VerniersGlass RuleGlass ThermometerGloss MetersGo/No Go Gauge Set Master/Gauge - per sizeGram GaugeGranite SquareGranite TableGraticuleGravity CupGrinding GaugeGunner QuadrantsHead FormHeadlight TesterHeight Gauge BallHeight Gauges less than 600mmHeight Gauges more than 600mmHeight MasterHole Tester (Hole Diameter Gauge)InclinometerInside MicrometerIntrascopeJoltmeterKing Pin GaugeLaser Alignment ToolLaser Diameter MicrometerLaser Distance MeterLeather Measuring InstrumentLength Bar (100mm - 300mm) EachLength Bar (300mm and more) EachLength Bar Set - 12 PiecesLength Bar Set - 8 PiecesLength Gauges (per size) Go/No GoLevel - Machine/PrecisionLevel (Builders)Light MeterLinear ScaleLiquid Limit DeviceLiquid TrapLister TemplatesLux MetersMachine CounterMachine LevelMachine Validation GaugeMagna MikesMandrellsMaster ShaftMatch Count GaugeMatch Key GaugeMeasuring BeakersMeasuring CylinderMeasuring FlaskMeasuring MachineMeasuring TemplateMeasuring WheelMelt Extrusion DieMeter CounterMicrometer - Can SeamMicrometer BallMicrometer BladeMicrometer HeadsMicrometer Length BarsMicrometer less than 500mmMicrometer more than 500mmMicrometer OutsideMicrometer with Loose Anvils less than 500mmMicrometer with Loose Anvils more than 500mmMicroscopesMisalignment GaugeMoisture AnalyserMoisture MeterMould PlateNetshock Final Crimp GaugeOpi-SpheresOptical FlatsOptical ParallelsOrifis PlatesOval GaugesOverwrap GaugesPaint Thickness MeterParallel Bar (Parallelity only) per barPeel Test TemplatePH MetersPi TapesPin (single)Pin Set (1 - 10)Pin Set (101 - 150)Pin Set (11 - 50)Pin Set (151 - 200)Pin Set (51 - 100)Pinhole DetectorPipette - digital per reading requiredPipette - glassPiston Rod GaugesPlain Plug GaugesPlain Ring GaugesPlates - ARWPlates - StopPlunger/Long sleeve/AssemPositioning GaugePowder Film CombsPrism Light MeterProfile for Flushness and MarginsProfile GaugesProfile ProjectorsProfilerProximity DetectorRadius Gauge - per bladeRadius Gauge - per setRadius TemplatesRefractometersRigging ToolRing Gauge (per ring Size) Go/No GoRiser BlockRoll TesterRoller Speed - DimensionalRose Gauges - Per 3 PointsRotating TesterRoughness StandardsRoughness Tester/Surface TesterRPM Gauge/TachometerSAB Bottle Master - per bottleScratt Tester Wheel TypeScreen ProjectorsScrew Pitch GaugesScrew Plug Gauge - full calibration (virtual effec. diam. and flank ang. and pitch)Screw Plug Gauges - per point (virtual effec. diameter)Screw Ring Gauge - full calibration (virtual effec. diam. and flank ang. and pitch)Screw Ring Gauge - per point (virtual effec. diameter)Setting MasterSetting Master SetSetting Pieces less than 500mmSetting Pieces more than 500mmSetting RingShadowgraphShakerShell SetsShimsSievesSine BarsSine TableSlot TemplatesSmart LevelSMD Gauge BarsSnap GaugesSoftness TesterSound Level CalibratorsSound Level MeterSpectra Light BoxSpeed Boxes / Speedo Boxes / Speed MetersSpirit LevelSpline GaugeSquareSquare AdjustablesSquare Grooved PlatesSteel BallsSteel Rule less than 1 MeterSteel Rule more than 1 MeterStep Gauge - per sizeStick Micrometer less than 500mmStick Micrometer more than 500mmStiffness TesterStopwatchStraight EdgeStrain GaugesStrangulation PinsStrobascopeSurface TablesSurface Tester StandardSyringeTachometerTachometers TestersTank Dipping TapesTape less than 20mTape more than 20mTaper GaugeTelescopic Gauge - LooseTelescopic Gauge - SetTest PiecesTest SievesTheodolightsThermo-Hygrometer (Dimensional)Thickness Blocks SetsThickness GaugeThickness MasterThread Micrometer Setting PiecesThread Pitch GaugesThread Plug GaugeThread Plug Gauges - full calibrationThread Ring GaugeThread Ring Gauges - Full CalibrationThread WiresTimerTrack GaugeTri Bore Internal Micrometer from 100 to 500 mm))Tri Bore Internal Micrometer less than 100 mmTriple Function TapeTrumeterTurbiddty MeterUltrasonic Thickness GaugeUnitestV-BlocksVernier less than 600mmVernier more than 600mmViscosity CupViscosity MeterVolumetric FlasksWarpage PlateWax Dip GaugesWeld GaugeWelding GaugeWet Film Thickness GaugeWheel Circumference GaugesWheel GaugesWheel Gauges (per size)Whire Thread GaugesWhirling Circumference GaugesWhirling PsychrometerWiper Arm Measuring ToolWire StripperZahn CupsZero Gauges

Mass Laboratory

Accurate weighing is essential for quality control, production processes, trade, and compliance. Our Mass Laboratory calibrates precision balances, laboratory balances, industrial scales, bench scales, platform scales, test weights, and analytical balances.

View SANAS certificate(CAL 022-14 – Mass Calibration)

Instruments we calibrate (20)

11 SANAS · 9 Report

Balancing MachinesBench Scales 0 - 30 kgCrane Scale 0 - 150KgsCrane Scale 150 - 600KgsCrane Scale 3000 - 10 000KgsCrane Scale 600 - 3000KgsDynamometerHopperMass PiecesMoisture Balance AnalysersPenetrometerPocket ScalePull Scale 100 - 600KgPull Scale 600 - 3000KgPull Scales 0 - 100Kg