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Pressure Gauges

 
Series "J" Steel Case:
Marsh Instruments general service steel case gauges are an economical, general purpose gauge for pressure measurement from vacuum/compound through 5000psi. suited for use with water, oil , air, gas or other non-corrosive media. Typical applications include FRLs, compressors, pumps, boilers, regulators, dryers as well as commercial and industrial equipment.
Accuracy: ASME Grade B= +/- 3/2/3% (+/- 2 % of range across middle half of scale).
 
Stainless Steel Liquid filled gauges: 
Severe service gauge. Rugged, impact and corrosion resistant, Marsh Stainless Steel liquid filled gauge is hermetically sealed to reduce chnces of leakage and for easier field refilling. It features a vent top fill plug for pressure relief and ease of venting after installation. The liquid dampens the damaging effects of puslation and vibration common to many hydrulic systems. This also lubricates the terminals and reduces corrosion.
Accuracy 63mm: ASME Grade B: +/- 3/2/3 % (+/-2% of range across middle half of scale)

Accuracy 100mm: ASME Grade A: +/- 2/1/2 % (+/-1% of range across middle half of scale)

 

 

Stainless Steel Safe Case Liquid filled gauges: 
Severe service gauge. Rugged, impact and corrosion resistant, these cases are made with solid front and blow-out back safecase construction. It features a vent top fill plug for pressure relief and ease of venting after installation. The liquid dampens the damaging effects of puslation and vibration common to many hydrulic systems. This also lubricates the terminals and reduces corrosion. 
Accuracy ASME Grade 1A: +/- 1% across full range
 

Process gauges: 
High Performance Gauge. With over125 years in proven experience, Marsh offers the most complete line of processs intrumentation in the industry. Marsh process gauge boast an extensive list of designs and options. All case styles feature Safecase solid-front construction
 

 

 

Bimetal Temperature Instruments
Marsh bimetal thermometers offer good economy and reliability. The hermetically sealed and ruggedly built case is resistant to shock , vibration, dust and moisture. The exttremely responsive bimetal sensing element provides an accuracy to within =/-1% of scale. An external adjustment screw on the back of 3" and %" case provides convenient reset and field recalibration.
Accuracy: +/-1% of span throughout entire range for 2" immersion in liquids, 4" in gases.

 

 

 

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