
Calibration of Metrological Instruments for Mechanics
Weights & Mass Measuring Instruments: Standard weights, special-purpose weights, etc.
Weighing Instruments including digital indicating scales, analogue indicating scales and non-self-indicating scales: Electronic balances, mechanical balances, platform balances, torsion balances, liquid specific gravity balances, electronic scales, electronic belt scales, quantitative packing scales, automatic quantitative weighing instruments, platform scales, etc.
Force measuring instruments such as tensile testing machines, push-pull gauges and torque testers: Push-pull gauges, digital pressure gauges, universal material testing machines, etc.
Pressure gauges and vacuum gauges: Precision pressure gauges, digital pressure gauges, pressure (differential pressure, absolute pressure) transmitters, liquid manometers, U-tube manometers, oxygen & acetylene pressure gauges, various grades of pressure gauges, etc.
Brinell, Rockwell, Vickers, rubber and other types of hardness testers: Metal hardness testers, Shore hardness testers, constant-load international rubber hardness testers, micro international rubber hardness testers and other non-metallic hardness testers, Webster hardness testers, Barcol hardness testers, etc.
Rotational speed measuring instruments: Mechanical tachometers, digital tachometers, rotational speed verification devices, etc.
Vibration instruments: Mechanical vibration tables, digital vibration tables, vibration testers, vibrometers, etc. Density meters, hydrometers, Baumé hydrometers
Glass volumetric apparatus: Burettes, graduated cylinders, measuring beakers, graduated pipettes, etc.
Special safety compliance equipment: Spring impact hammers, swing testing machines, life testing machines, ball pressure test devices, test chambers, pendulum impact testers, etc.
Calibration of Electrical Metrological Instruments
DC standard voltage sources, DC standard current sources, DC digital resistance sources, AC standard voltage sources, AC standard current sources, multifunction calibrators, DC digital voltmeters, DC digital ammeters, DC digital ohmmeters, AC digital voltmeters, AC digital ammeters, digital multimeters, etc.
Calibration of Length Metrological Instruments
Gauge blocks, optical flats, interferometers, length measuring instruments, theodolites, levels, thickness gauges, coordinate length measuring machines, optimeters, projectors, video measuring instruments, universal tool-makers’ microscopes, electric profilometers, pneumatic gauges, deflection testers, micrometers, liquid-plastic limit testers, square ruler calibrators, dial gauge calibrators, micrometer dial gauge calibrators, measuring instrument force testers, level calibrators, level zero calibrators, measuring microscopes, reading microscopes, metallurgical microscopes, optical straightness meters, spirit levels, electronic levels, coincidence levels, frame levels, surface plates, straightedges, wide base squares, knife straightedges, engraved steel squares, universal bevel protractors, calipers, micrometers, dial indicators, bore gauges, lever indicators, digital display gauges, steel tape measures, steel rules, feeler gauges, engineering detecting rulers, gauge blocks, ring gauges, thread gauges, surface roughness specimens, radius gauges, thread templates, sliding automobile side-slip test benches, wheel alignment detectors, cable length counters, laser wire diameter gauges, etc.
Calibration of Optical Metrological Instruments
Visible spectrophotometers, ultraviolet spectrophotometers, conductivity meters, gas chromatographs, liquid chromatographs, gas chromatography-mass spectrometry instruments, atomic absorption spectrophotometers, fluorescence spectrometers, emission spectrometers, etc.
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