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Qualification tables:

 

Quantity

instrument

 Range *Uncertainty Reference Standards
FORCE

tension
 and compression

 Load cell 1N ¸ 50kN
(0,1kg ¸ 5t)		 0.01% OIML R60
Dynamometers 10N ¸ 50kN
(1kg ¸ 5t)		 0.01%
ISO 376  (00, 0.5, 1, 2)
ASTM E74 (A)
10 ¸ 1000kN
(1t ¸ 100t)		 0.05%
500 ppm
ISO 376  (1, 2)
ASTM E74 (A)

 

Quantity instrument Range *Uncertainty
RELATIVE PRESSURE Pressure gauge

 Pressure transducers

Pressure
transmitters

 Gas:
1kPa ¸ 500kPa (5bar)		 (26 + 5,1 x 10-5 p) Pa
Gas:
501kPa ¸ 6000 kPa (60bar)		 (260 + 5,1 x 10-5 p) Pa
Oil:
0.4MPa ¸  160MPa (1600bar)		 (250 + 6,6 x 10-5 p) Pa
Oil:
160,1MPa ¸  200MPa (2000bar)		 1 x 10-4 p

p is the pressure in pascal.

 

Quantity instrument Range *Uncertainty Reference Standards
TORQUE Torque transducers 1 ¸ 2000 Nm 0.01% EA 10-14
Indicating torque tools and setting torque tools 1 ¸ 2000 Nm 0.50% UNI EN 26789

*Uncertainties are expressed as 2 times typical gap,
in those cases of  normal distribution at a confidence Level  of 95%.