Pressure Measurement

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Home | Dial Indicating Pressure Gauges | 300 Series Brass Case Liquid Filled | Specification

 

300 Series Brass Case Liquid Filled Pressure Gauges
Specifications

 

  SERIES SPECIFICATIONS
Pressure ranges 300 Series (all) Vacuum and compound ranges through 0 psi to 15,000 psi
Accuracy 25-300, 25-310 ±1.6% full scale
40-300, 40-310 ±1% full scale
Temperature ranges* 300 Series (all) Media -4 °F to 140 °F (-20 °C to 60 °C)
Ambient 0 °F to 160 °F (-18 °C to 71 °C)
Optional temperature ratings available from -40 °F to 212 °F (-40 °C to 100 °C)
Measuring element 25-300, 25-310
(≤ 600 psi)
Copper alloy “C” tube
25-300, 25-310
(800 psi to 6,000 psi)
Copper alloy coiled safety tube
25-300, 25-310
(7,500 psi to 15,000 psi)
316 stainless steel coiled safety tube
40-300, 40-310
(≤ 1,000 psi)
Copper alloy “C” tube
40-300, 40-310
(15,000 psi)
316 stainless steel coiled safety tube
Connection 25-300, 25-310 1/4" NPT die-cast brass with the case. 7/16" – 20 SAE adjustable type straight thread with FKM O-ring is also available as a stock option on many ranges (-4 SAE).
40-300, 40-310 1/4" NPT die-cast brass with the case. 1/2" NPT is available on certain 40-300 ranges as a stock option, and on all other 40-300 and 40-310’s as a non-stock option.
Case 300 Series (all) Die cast brass (natural brass finish) with safety relief plug
Cover ring 300 Series (all) Polished brass
Lens 300 Series (all) Acrylic with o-ring seal
Pointer 300 Series (all) Balanced aluminum, black finish
Dial 300 Series (all) Aluminum, white background with black scale.
UV resistant.
Movement 300 Series (all) Brass and nickel-silver with highly polished bearing surfaces
Fill liquid 300 Series (all) Glycerin

  * For every 18 °F (10 °C) shift in temperature from which the gauge is calibrated, the user can experience up to ±0.4% additional error.

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