Model 1500-8.5D

Differential Pressure Test Gauge

Series 1500 8.5"

Selected documents
Sales contact




  • Test, laboratory, and production applications

Special Features

  • Capsule-type pressure elements
  • High differential pressure is applied to the capsule; low pressure to the case
  • Available in 22 standard ranges, they combine aneroid convenience with liquid-column accuracy
  • Rugged enough to maintain their high accuracy in test and process applications

Standard Features

This product replaces the Type 612.11.

8½" dial

Scale length
Approx. 45" through 2 pointer revolutions

-30" Hg -150 psi

0.066% of full scale

0.01% of full scale

0.1% of full scale for all ranges except 150 psi or equivalent, which is 0.2% of full scale

Maximum temperature effect
0.1% of full scale per 10°C/18°F change from reference temperature 23°C/73.4°F

Pressure element volume
6.9 cc with pointer at zero; 8.6 cc at full scale,
For the range 0-125" water only: 6.3 cc with pointer at zero; 8.0 cc at full scale

Case volume
3070 cc

Maximum case pressure
35 psig

Maximum case leak rate
Will not exceed 1.03 x 10-3 std cc/sec or 0.018 psi/hr

Case construction
Cast aluminum with tempered-glass window; flush mounted by three screws through the bezel

Case connections
⅛" female NPT pressure and static connections. Stainless steel filters are mounted in the orifice of both connections and are located in the bottom of the case.

Materials exposed to measured gas
Capsule system: Ni-Span C®, soft solder, brass, 303 stainless steel, and silver solder. 303 SS tubing, adapter, and silver solder at pressure connection are optional instead of brass and soft solder.

Case: Ni-Span C®, brass, beryllium copper, magnesium, aluminum, ABS, nylon, Elgiloy, soft solder, Buna N, Hypalon, 303 SS, silver solder, synthetic sapphire, white paint, epoxy cement, nickel silver, nickel plating, drawing ink, lacquer.

Calibration in most metric units available at no extra cost. Other calibration units with dual scale graduations are available at extra cost.

Also available is a compact (12 ¾" H, 12" W, 81/16" D), suitcase-type carrying case with the gauge in a mounted panel. The cover is easily removed and pressure connections can be made without removing the gauge from the case.

Weight and shipping weight
App. 12 lbs.

Ordering information
When ordering, please specify ordering number, range, and mounting angle (Extra cost if mounting angle is other than vertical.).

This gauge should not be used for corrosive gases or for liquids of any kind.

Differential Pressure Test Gauge
  • Differential Pressure Test Gauge
Wish list - Documents (0)

There are currently no documents on your wish list. You can add any document from the download area to your wish list. To do this, select the desired language using the flag symbol.

The maximum number of 20 entries was reached.

To receive your download link via e-mail, enter your address here:

The e-mail address is invalid.