Model 300-6D

Differential Pressure Test Gauge

Series 300 6"

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  • For routine test and production uses

Special Features

  • This capsule-type gauge offers an acceptable balance among size, readability, accuracy
  • Available in 18 standard ranges (including vacuum and compound ranges), the Series
    300 is convenient to use
  • High differential pressure is applied to the capsule; low pressure to the case
  • Maximum static (case) pressure is 15 psig
  • Built-in overpressure relief valve protects the case

Standard Features

6" dial

Scale length

To 100 psi

0.30% of full scale

0.2% of full scale

Pressure element volume
2.5 cc for the range 0-10" water;
2.0 cc for all other ranges

Case volume
1890 cc, with overpressure relief valve on the case

Maximum case pressure
15 psig

Maximum case leak rate
Will not exceed 6.34 x 10-5 std cc/sec or 0.0018 psi/hr

Case connection
⅛" female NPT pressure and static connections, both have built-in stainless steel filters and are located in the bottom of the case.

Case construction
Aluminum with tempered-glass window. Flush mounted by three screws through the bezel.

Materials exposed to measured gas
Pressure elements: beryllium copper, brass, soft solder in ranges to 100" water; silver and soft solder in ranges above 100" water.

Case: aluminum, beryllium copper, brass, stainless steel, nylon, Hypalon, Monel, soft solder, synthetic sapphire, TFE, white paint, drawing ink, lacquer. Ranges above 100" water have silver solder also.

Calibration in most metric units is available at no extra cost. Other units of calibration and two sets of graduations on the same dial are available at extra cost.

Weight and shipping weight
4 lbs. and 6 lbs.

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

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

Differential Pressure Test Gauge
  • Differential Pressure Test Gauge
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