Trying to locate liquid filled pressure gauges January 13, 2011 08:29AM
I am trying to locate a couple liquid filled pressure gauges with a "tattle-tale" needle. Wanting to use one for intake pressure and one for exhaust pressure. I have looked on www.mcmaster.com and found some but they don't seem to have the tattle-tale needle on them. Anyone know of a part number or where I can get them? Would like 0 to 200 psi even though I won't go that high.
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Re: Trying to locate liquid filled pressure gauges January 13, 2011 08:46AM
Mcmaster # 3842K816

Part Number: 3842K816 $134.68 Each
Gauge Type
Pressure

Service Type
General Service

For Use With
Carbon Dioxide, Compressed Air, Ethanol, Hydraulic Oil, Water

Accuracy
±1.5% Full-Scale (Not Graded)

NIST Certification
Without Certificate of Calibration

Dial Type
Liquid-Filled

Liquid Fill Material
Glycerin

Optional Dial Features
Max Indicating Pointer

Connection Size and Type
1/4" NPT Male

Connection Location
Center Back Panel-Mount

Panel Cutout Diameter
2-1/2"

Connection Material
Brass

Sensor Type
Bourdon Pressure Tube

Sensor Material (Internals)
Phosphor Bronze

Case Material
Brass

Lens Material
Acrylic

Units of Measure
psi

Operating Pressure Range (psi)
0 to 200

Numeral Increments (psi)
40

Graduation Marks (psi)
4

Round Dial Diameter
2-1/2"

Process Temperature Range
0º to +160º F

Ambient Temperature Range
0º to +160º F

Specifications Met
Not Rated


[www.ulmerracing.com]
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Re: Trying to locate liquid filled pressure gauges January 13, 2011 09:47AM
Here, you have some choices. These are from McMaster Carr.


With Certificate of Calibration

Bottom Fitting 3842K306 $176.78

Center Back Fitting 3842K406 $180.30

Center Back Fitting / Panel-Mount 3842K836 $220.08

Without Certificate of Calibration

Bottom Fitting 3842K56 $97.77

Center Back Fitting 3842K716 $103.76

Center Back Fitting Panel-Mount 3842K816 $134.68



Edited 1 time(s). Last edit at 01/13/2011 11:36AM by FarmersFun.
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Re: Trying to locate liquid filled pressure gauges January 13, 2011 11:18AM
Try the surplus center in lincoln Nebraska at surpluscenter.com or 402-474-4055 they sell lots of stuff like that
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Re: Trying to locate liquid filled pressure gauges January 13, 2011 11:49AM
Get the part# that you want from the No Shok website then locate a distributor. I bought mine from Ronco Engineering but thats been 10 years ago.
www.noshok.com/index.shtml
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Re: Trying to locate liquid filled pressure gauges January 13, 2011 03:16PM
I've seen tractors that use a regular industrial gauge and then put a check valve with a release button (like a compression gauge) somewhere in the line to hold the gauge at the maximum pressure observed until you release it.
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