Dead Weight Pressure Gauge Calibrator

Dead Weight Pressure Gauge Calibrator (MODEL ME-FM-1265E-R)

The ARL’s 1265E calibrator functions on the same principle adopted in calibrating industrial pressure gauges.

  • Precision machined piston and cylinder with leveling screws
  • Bourdon gauge with inlet and outlet valves
  • Set of weights

The 1265E Dead Weight Pressure Gauge Calibrator consists of a precision-machined piston and cylinder assembly mounted on leveling screws.

A Bourdon gauge is supplied for calibration. The weights supplied are added to the upper end of the piston rod, which is rotated to minimise friction effects.

The gauge is thus subject to known pressures, which may be compared with the gauge readings and an error curve drawn.

ItemValue
Pressure gauge:Bourdon tube range 0 to 200 KN/m2 (KPa)
Area of piston:244.8 x 10-6 m2
Mass of piston:0.5kg
Ancillary masses:2x 0.5kg, 1.0kg and 2.5kg
  • Calibrating a Bourdon-type pressure gauge
  • Water source
Height:0.50m
Width:0.25m
Depth:0.125m
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