Ametek HK Pneumatic Deadweight Tester

product id: 105642

Category: Pressure Calibrators

Manufacturer: Ametek

InstruHub is a leading supplier and reseller of Ametek Pressure Calibrators in Iran, and we ship to all major cities such as Tehran


Features

  • Pressure Range: 10 to 1500 psi or equivalent
  • Available pressure units: psi, kg/cm2, bar, kPa, inHg
  • Accuracy: to ±0.025% of reading
  • Repeatability: ±0.005% of reading
  • Local gravity calibration is available on all models
  • Floating Ball Operation
  • Self-Regulating
  • Interchangeable Weights
  • NIST Traceable

The Ametek HK pneumatic deadweight tester is a primary standard used to calibrate pressure and differential pressure gauges, transmitters, transducers, recorders and controllers. The Ametek HK pneumatic deadweight tester is designed for precision and is accurate enough for lab use, however, the construction is rugged enough to allow for reliable field operation as well.

The Ametek HK pneumatic deadweight tester produces pressure by applying force (weight set) over area (the ceramic ball and nozzle). While in operation, the Ametek HK pneumatic deadweight tester's ball and weights float freely, supported only by a thin film of air which is virtually frictionless. This eliminates the necessity to rotate the weights during testing and allows the user to concentrate on the instrument calibration.

The Ametek HK pneumatic deadweight tester is self-regulating with accuracy independent of the operator. The Ametek HK pneumatic deadweight tester's built-in flow regulator automatically adjusts the input air flow to maintain the ball and weights in a float position. The regulator also compensates for variations in pressure from the air supply. These features of the Ametek HK pneumatic deadweight tester eliminate the necessity of having to continually adjust the supply during the test and provides for an easy up and down scale calibration.

The setup for the Ametek HK pneumatic deadweight tester is completed by simply connecting two tubes, one for the supply and one for the unit-under-test, leveling the HK, and adding the appropriate weights. Operation is fast and efficient with no valves to adjust and no regulation needed between set points. Pressure regulators are not required if the air supply is within the tester's operational requirements.

The Ametek HK pneumatic deadweight tester is NIST traceable and accurate to ±0.025% using stainless steel weights calibrated to International standard gravity at 9.80665 m/s2 or local gravity as specified. The Ametek HK pneumatic deadweight tester's test fluid is Nitrogen or instrument quality air complying with the ISA Standard S7.3. This fluid is non-contaminating to virtually all processes, thus eliminating the need to clean instruments after calibration and before use.

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