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Pressure
Gauges
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 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). |
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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) |
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 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 |
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 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
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 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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