US Gauge P844/P845 Panel-Mount Utility Gauge

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Panel-mount general service gauge in a black painted steel case. Accuracy ±3-2-3%. Ranges 30" HgVac -0 vacuum/compound, 0-3000 PSI. Available in 2", 2.5", and 3.5" dial sizes. Brass center back mount, 1/8" or 1/4" NPTM. 

  • Accuracy: ±3-2-3% of span
  • P844U: Panel mount dawn steel gauge with studs, 2-piece U-clamp, and nuts; black corrosion-resistant paint
  • P845FF: Panel mount drawn steel gauge with 3-hole flange, black corrosion-resistant paint
  • Bourdon Tube: Phosphor Bronze (30 PSI - 1000 PSI); Phosphor Bronze with silver solder (2000 PSI and above); Beryllium Copper (VAC and 15 PSI)
  • 2", 2.5" and 3.5" dial sizes
  • 1/8" and 1/4" NPT center back connection

ASME B40.1 Standard for Accuracy of Mechanical Dial Pressure Gauges

Gauge TypeAccuracy
Permissible Error by Range Quartile
Bottom 25%Middle 50%Top 25%
Industrial Gauges1A±1% Span Over Entire Range
A±2% Span±1% Span±2% Span
Commercial GaugesB±3% Span±2% Span±3% Span
C±4% Span±3% Span±4% Span
D±5% Span Over Entire Range
Process Gauges2A±0.25% Span Over Entire Range
Test Gauges3A±0.25% Span Over Entire Range
Lab Precision Test Gauges4A±0.1% Span Over Entire Range

Model Selection Guide

Use this table to find the right model for your application.  Don't see the size or range you need? Call a Lesman sales specialist at 800-953-7626.

U-Clamp Panel Mount Gauge Click for Price and Availability
2" Dial2.5" Dial3.5" Dial
Pressure Range1/8" NPT CBM1/8" NPT CBM1/4 NPT CBM1/4 NPT CBM
30" HgVac- 0164415164425 138024A
0- 15 PSI164416164426 138025A
0- 30 PSI164417164427 138026A
0-60 PSI164418164428 138027A
0- 100 PSI164419164429 138028A
0- 160 PSI164420164430 138029A
0- 200 PSI 164431  138030A
0- 300 PSI164422164432 138031A
0- 600 PSI164424164434  
0- 1000 PSI    164435  
0- 3000 PSI    164437  
More Information
Dial Size 2 Inch, 2.5 Inch, 3.5 Inch
Case Material Steel
Liquid Filled No
Accuracy ±3-2-3%
Measuring Range 30" HgVac to 3000 PSI
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