Calibrate with Confidence

Ralston Instruments gives you everything you need for virtually any pressure calibration process.

Calibration Illustration

Pressure Source/Control

Hand pumps, nitrogen gas controllers or calibration manifolds form the base of each kit.

Quick-test™ Hoses

Low volume, high pressure Quick-test™ hose is included for precise calibrations without wasting media.

Adapters

Kits include a range of standard adapters for connecting to NPT, BSPP or Tube process connections.

Integrated Test Gauge

All kits include an analog or digital test gauge with integrated gauge adapter.

Be prepared with the right combination of components for any calibration

Vacuum

-30 in Hg to 0
(-584 mmHg to 0)

Applications:

  • Vacuum gauge calibration

  • Absolute pressure measurement

Pressure Media:

  • Vacuum (supplied from vacuum pump)

Models:

Low Pressure

0 to 100 psi
(0 to 7 bar)

Applications:

  • Calibrating pressure gauges

  • Pressure transmitter calibration

  • Airspeed indicator calibration

Pressure Media:

  • Compressed gas

Models:

Medium Pressure

100 psi to 300 psi
(7 bar to 20 bar)

Applications:

  • Static pressure transmitter calibration

  • Pressure gauge calibration

  • Float piston gauges

Pressure Media:

  • Compressed gas

Models:

High Pressure

300 psi to 5,000 psi
(20 bar to 350 bar)

Applications:

  • Safety relief valve testing

  • Pressure gauge calibration

  • Deadweight replacement

Pressure Media:

  • Compressed Gas

Models:

Ralston has your calibration solution

Our pre-packaged calibration kits are available with a choice of either an analog or digital pressure gauge. Our test gauges have ± 0.25% full scale accuracy and are very durable.

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