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Key Equipment

• State-of-the-art laboratories with environmental and vibration control.
• Dual range (gauge and absolute) pneumatic primary pressure balance.
• Dual range hydraulic primary pressure balance.
• FRS4 low pressure primary standard.
•  Range of electronic pressure calibrators.

Capabilities

List of instruments calibrated by NML:

• Gas gauge, dead-weight testers, effective area
• Gas gauge, dead-weight testers, pressure equivalent
• Gas gauge, devices with electrical output
• Gas gauge, indicating instruments
• Gas negative gauge, devices with electrical output
• Gas negative gauge, indicating instruments
• Gas absolute, devices with electrical output
• Gas absolute, indicating instruments
• Gas differential, devices with electrical output
• Gas differential, indicating instruments
•  Hydraulic gauge, dead-weight testers, effective area
• Hydraulic gauge, dead-weight testers, pressure equivalent
• Hydraulic gauge, devices with electrical output
• Hydraulic gauge, indicating instruments
• Dial pressure gauges, gas & hydraulic
• Digital pressure meters and indicators
• Pressure calibrators
• Transducers
• Digital manometers
• Digital micromanometers
• Barometers
• Vacuum gauges

   

Measurement	Range	Best Measurement Uncertainty (sample)
Gas Pressure (gauge)	10Pa - 4kPa 4kPa - 20MPa	± 0.008% (80ppm) ± 0.003% (30ppm)
Gas Pressure (absolute)	10Pa - 4kPa 4kPa - 20MPa	± 0.008% (80ppm) ± 0.003% (30ppm)
Hydraulic Pressure	0.5MPa - 140MPa	± 0.004% (40ppm)

Detailed Calibration Capabilities

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