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Model 1500-8.5A

Absolute Pressure Test Gauge

Series 1500 8.5"

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Applications

  • Test, laboratory, and production applications

Special Features

  • Capsules up to and including the 50 psia range; 100 psia and above use Bourdon tubes
  • In the 50 psia range, pressure is applied to the case and is referenced against the evacuated capsule
  • In the 100 psia and above with Bourdon tubes, pressure is applied to a Bourdon tube, which is referenced against an evacuated Bourdon
  • Available in 14 standard ranges, these gauges combine aneroid
    convenience with liquid-column accuracy
  • Rugged enough to maintain their high accuracy in all kinds of test and process applications

Standard Features

This product replaces the Type 612.11.

Sizes
8½" dial

Scale length
To 500 psia

Accuracy
0.066% of full scale

Repeatability
0.03% of full scale

Sensitivity
0.01% of full scale

Hysteresis
Below 100 psia, 0.15% of full scale;
100 psia and above, 0.1% of full scale

Maximum temperature effect
Below 100 psia, 0.019% of full scale per 10°C/18°F change from 23°C/73.4°F
100 psia and above, 0.1% of full scale per 10°C/18°F from 23°C/73.4°F

Case pressure
For gauges with ranges below 100 psia, maximum case pressure is 35 psig.

For gauges with ranges of 100 psia and above, volume of the pressure Bourdon system is 10 cc and the case is vented to atmosphere.

Case volume
3070 cc

Maximum case leak rate
Will not exceed 1.03 x 10-3 std cc/sec or 0.018 psi/hr in ranges below 100 psia; 100 psia and above, case is vented to atmosphere.

Case connections
Below 100 psia, ⅛" female NPT; 100 psia and above, ¼" female NPT. Both have a built-in stainless steel filter and are located in the bottom of the case.

Case construction

  • Aluminum
  • Instruments have tempered-glass windows
  • All cases are flush mounted by three screws through the bezel
Absolute Pressure Test Gauge
  • Absolute Pressure Test Gauge
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