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Qualification tables:

 

Quantity

instrument

Range *Uncertainty Reference Standards
FORCE

tension
 and compression

Load cell

Dynamometers

1N ¸ 50kN
(0,1kg ¸
5t)
0.01% OIML R60
10N ¸ 50kN
(1kg ¸
5t)
0.01%
ISO 376  (00, 0.5, 1, 2)
ASTM E74 (AA, 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

VACUUM:
-1,4kPa
¸ -100kPa (-1bar)
(0.64 + 7,8 x 10-5 p) Pa
Gas:
1,4kPa
¸ 180kPa (1,8bar)
(0,64 + 7,8 x 10-5 p) Pa
Gas:
0.014MPa
¸ 7 MPa (70bar)
(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%.