Edison ESI: Metrology Services - Pressure Capabilities Chart

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METROLOGY - PRESSURE CAPABILITIES

PARAMETER

UNITS

RANGE

ACCURACY

TECHNIQUE

PRESSURE HYDRAULIC

Pounds per Square Inch
20 to 10,000 psi ± 0.005% IV Standard DH Deadweight Testers

(psi)
10,001 to 30,000 psi ± 0.01% IV

30,001 to 50,000 psi ± 0.02% IV

PRESSURE PNEUMATIC

Pounds per Square Inch Absolute (psia)
Vacuum to 87 psia ± 0.005% FS + .005% IV DH Digital Piston Gage

Pounds per Square Inch
1.5 to 8,000 psi ± 0.005% IV Standard DH Deadweight Testers

(psi)
8,001 to 16,000 psi ± 0.01% IV

Inches of Water
0 to 2 In. H2O ± 0.001 In. H2O Dwyer Electronic Point Gage

(In. H2O)
0 to 24 In. H2O ± 0.005 In. H2O Dwyer Hook Gage

1 to 60 In. H2O
(0.036 to 2.2 psi) ± 0.005% FS + .005% IV DH Digital Piston Gage

pascals (pa)
2 Kpa to 350 Kpa
gauge mode ± 0.0035% of reading or 0.5 pa, whichever is greater DH Digital Piston Gage

5 Kpa to 350 Kpa
absolute mode

NOTES:
1. Calibration of deadweight tester by the cross-float technique to determine the effective area for a piston-cylinder combination.
2. Calibration of deadweight tester to verify the existing mass to pressure conversion coefficient.
3. Listed accuracies are per manufacturer's specifications.

© Copyright 2000 Edison ESI

METROLOGY - PRESSURE CAPABILITIES
PARAMETER	UNITS	RANGE	ACCURACY	TECHNIQUE
*PRESSURE HYDRAULIC*	Pounds per Square Inch	20 to 10,000 psi	± 0.005% IV	Standard DH Deadweight Testers
	(psi)	10,001 to 30,000 psi	± 0.01% IV
		30,001 to 50,000 psi	± 0.02% IV
*PRESSURE PNEUMATIC*	Pounds per Square Inch Absolute (psia)	Vacuum to 87 psia	± 0.005% FS + .005% IV	DH Digital Piston Gage
	Pounds per Square Inch	1.5 to 8,000 psi	± 0.005% IV	Standard DH Deadweight Testers
	(psi)	8,001 to 16,000 psi	± 0.01% IV
	Inches of Water	0 to 2 In. H2O	± 0.001 In. H2O	Dwyer Electronic Point Gage
	(In. H2O)	0 to 24 In. H2O	± 0.005 In. H2O	Dwyer Hook Gage
		1 to 60 In. H2O (0.036 to 2.2 psi)	± 0.005% FS + .005% IV	DH Digital Piston Gage
	pascals (pa)	2 Kpa to 350 Kpa gauge mode	± 0.0035% of reading or 0.5 pa, whichever is greater	DH Digital Piston Gage
		5 Kpa to 350 Kpa absolute mode
NOTES: 1. Calibration of deadweight tester by the cross-float technique to determine the effective area for a piston-cylinder combination. 2. Calibration of deadweight tester to verify the existing mass to pressure conversion coefficient. 3. Listed accuracies are per manufacturer's specifications.