Mechanical Calibration

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Mechanical Calibration

Sl No Quantity Measured / Instrument Range/Frequency *Calibration Measurement Remarks Capability (±) Remarks
I PRESSURE INDICATING DEVICES
1 Pressure-Hydraulic
Dial Pressure Gauge,Digital Pressure Gauges, Pressure Calibrator, Pressure Transducers and Pressure Transmitter with Indicators 		2 bar to 690 kg/cm 0.017% rdg. Using Hydraulic Dead Weight Tester based on DKD-R6-1
2 Pressure-Hydraulic
Dial Pressure Gauge,Digital Pressure Gauges, Pressure Calibrator, Pressure Transducers and Pressure Transmitter with Indicators 		0 bar to 690 bar 0.11% rdg. Using Digital Pressure Calibrator 0-700 & Hydraulic Pump based on DKD-R6:1
3 Pressure-Hydraulic
Dial Pressure Gauge,Digital Pressure Gauges, Pressure Calibrator, Pressure Transducers and Pressure Transmitter with Indicators 		0 bar to 30 bar 0.06% rdg Using Pneumatic Pump & Digital Pressure Calibrator based on DKD-R6-1
II DIMENSION (BASIC MEASURING INSTRUMENT, GAUGE ETC.)
1 Vernier Calipers 0 to 150 mm
0 to 300 mm.
300 mm to 1000 mm		 8 μm
12 μm
19 μm		 Using 'K' & 'O Grade' Slip Gauge Set
2 External Micrometer 0 to 25 mm 1.9 µm Using 'K' & 'O Grade' Slip Gauge Set
III UTM, TENSION CREEP AND TORSION TESTING MACHINE
1 Verification of Uniaxial Testing Machine Compression:
0.25 KN to KN 1 kN to 100 kN 		0.3%
0.2%		 Using "0" Class load cells with digital indicator as per IS 1828 (Part-1)
Tension:
1 kN to 100 kN		 0.2%
IV SPEED AND ACCELERATION
1 Tachometer 60 rpm to 1000 rpm
1000 rpm to 3000
rpm 3000 rpm to 5000 rpm		 1.6% rdg.
1.1 % rdg.
1.1% rdg.		 Using Digital Tachometer By Comparison Method
V. WEIGHING SCALE AND BALANCE
1. Non-Automatic Weighing
Balance/Scale
d = 0.01 mg
d= 0.001 g
d = 0.01 g		 0 to 200 g
0 to 1 kg
0 to 5 kg		 0.06 mg
4 mg
20 mg		 UsingE1/E2/F1Accuracy Class Standard Weights as per OIML-R-76-1
VI. WEIGHTS
2. Calibration of Weights
Class F1 Accuracy and Coarser		 1mg
2mg
5mg
10mg
20mg
50mg
100mg
200mg
500mg
1g
2g
5g
10g
20g
50g
100g
200g 		0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.02 mg
0.03 mg
0.04 mg
0.07 mg
 Using Weights of Accuracy Class E1 and balance of readability 0.01 mg based on OIMLR111-1ABBA Cycle Substitution Method
Class F1 Accuracy 500g and Coarser 500g
1kg		 0.93 mg
1mg		 Using Weights of Accuracy Class E1 and balance of readability 0.01 mg based on OIMLR111-1ABBA Cycle Substitution Method
Class F2 Accuracy and Coarser 2 kg
5 kg		 8.3 mg
12.2 mg		 Using Weights of Accuracy Class F1 and balance of readability 0.01 g based on gb OIMLR111-1ABBA Cycle Substitution Method
VII VOLUME
1 Micro Pipette/ Piston Pipette 10 μl to100 μl 2.60 μl Using Digital Balance with d: 0.01 mg of Cap. 220 g and Distilled Water of known Density As per ISO 8655-6
2 Glass Pipette 1 ml to10 ml > 10 ml to100 ml 2.30 μl
2.32 μl		 Using Digital Balance with d: 0.01 mg of Cap. 220 g and Distilled Water of known Density as per ISO 4787
3 Measuring Cylinders > 100 ml to 200 ml
> 200 ml to 1000 ml		 3 μl
13μl		 Using Digital Balance with d: 1 mg of Cap. 1 kg and Distilled Water of known Density as per ISO 4787
Using Digital Balance with d: 10 mg of Cap. 5 kg and Distilled Water of known Density as per ISO 4787

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