Item |
Method of calibration |
1. Mass and Related Measurements
|
1.1 Balances/Mechanical & electronic Capacities up to 60 kg |
Comparison against laboratory Standard Weights |
1.2 Weights up to 30 kg OIML Class F2 , M1 & M2 |
Direct comparison against Standard Weights using mass comparators
|
| 1.3 Torque Wrenches |
Calibration - using standard weights
|
| 1.4 Volumetric glassware |
|
1.5 Hydrometers |
|
|
2.1 Testing Machines Capacities up to 100 kN (Tension Mode) |
ISO 7500-using Standard Load Cells & Proving Rings |
| 2.2 Testing Machines Capacities up to 2000 kN (Compression) |
ISO 7500-using Standard Load Cells & Proving Rings |
2.3 Proving Rings (CBR rings) Capacities up to 500 kN |
ISO 376 –using Standard Load Cells & Proving Rings
|
|
|
3.1 Liquid-in-glass thermometers Up to 200 0C |
Against calibrated RTD in liquid baths |
3.2 Digital thermometers Up to 1 000 0C |
Against calibrated RTD/TC in liquid bath/block calibrator |
3.3 Dial Thermometers Up to 1 000 0C |
Calibrated bath/block calibrator/furnace |
3.4 Temperature indicators Up to 1 750 0C
|
Against the Calibrated temperature Simulator |
| 3.5 Thermocouple sensors |
Against Reference type R/S Thermocouples/Fixed point cells |
| 3.6 RTD sensors |
Against SPRT/Fixed point cell |
| 3.7 Temperature recorders & loggers |
Calibrated thermocouples/RTD |
| 3.8 Surface sensors |
Surface Sensor Calibrator |
| 3.9 Ovens |
Calibrated thermocouple |
| 3.10 Furnaces |
Calibrated thermocouple |
| 3.11 Incubators |
Calibrated thermocouple/data logger |
| 3.12 Freezers |
| 3.13 Cold rooms |
| 3.14 Refrigerators |
3.15 IR Thermometers Up to 500 0C |
Calibrated Black Body Surface |
| 3.16 Water baths |
Calibrated thermocouple/RTD |
4. Pressure |
4.1 Hydraulic Pressure gauges/transducers (Gauge pressure) Up to 60 MPa (600 bar) |
Dead – Weight Piston Gauge |
4.2 Pneumatic Pressure gauges/transducers(Gauge
pressure) Up to 2 MPa (20 bar) |
Comparison against calibrated pressure indicator/pump |
5. Length & related measurements |
| 5.1 Gauge blocks |
Against reference gauge blocks using a comparator |
5.2 Vernier calliper- Up to 600 mm |
Comparison against calibrated gauge blocks |
5.3 Micrometer(external) - Up to 600 mm |
5.3 Micrometer(internal) - Up to 100 mm |
5.4 Bore gauge - Up to 200 mm |
5.5 Protractors |
Comparison against calibrated angle gauge blocks |
5.6 Profile projectors |
Comparison against calibrated gauge blocks |
5.7 Rules 7 tapes -
Up to 3 m |
Comparison against calibrated gauge blocks |
5.8 Screw thread measurements |
Using calibrated three-wire
Profile proector |
5.9 Geometrical shapes |
Measurement using CNC machine |
