Ametek US Gauge 1555 Series Stainless Steel Industrial Gauges

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Stainless steel utility gauges, dry or liquid-filled. Accuracy ±3-2-3%. Ranges 30" HgVac to 150 PSI vacuum/compound, 0-10000 PSI. Available in 1.5", 2", 2.5", 4" dial sizes. Brass center back or lower (bottom stem) mount, 1/8" or 1/4" NPTM.

Rugged stainless steel dry or liquid-filled utility gauges for applications involving pumps, compressors, hydraulic systems, machine tools, and petrochemical processing equipment. Liquid fill fluid dampens the gauge pointer movement to improve readability and improve the gauge's usable life in high shock and vibration applications.

  • Accuracy: ±3-2-3% (Grade B)
  • Available ranges 30" HgVac to 150 PSI vacuum/compound, 0-1000 PSI
  • 300 series stainless steel case and crimped ring, white aluminum dial with black markings for PSI, blue markings for BAR, black painted aluminum pointer, polycarbonate window
  • Phosphor bronze Bourdon tube, brass movement
  • Brass pressure connection, 1/4" NPTM lower (bottom stem) or center back mount

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.

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Dial Size1.5" Dial2" Dial2.5" Dial
Connection1/4" NPT CBM1/4" NPTM LM1/4" NPTM CBM 1/4" NPTM LM1/4" NPTM CBM
FillDryFilledDryFilledDry FilledDryFilledDryFilled
30" HgVac-0       171722A171722ALG171733A171733ALG
0-15 PSI       171728A171728ALG 171739A171739ALG
0-30 PSI166664 166664LG165282165282LG 165289 165289LG 165296165296LG 165303165303LG
0-60 PSI166665166665LG165283165283LG 165290165290LG165297 165297LG165304165304LG
0-100 PSI166666166666LG165284 165284LG 165291 165291LG165298165298LG 165305 165305LG
0-160 PSI166667166667LG165285 165285LG 165292 165292LG165299165299LG 165306 165306LG
0-200 PSI       171729A171729ALG 171740A171740ALG
0-300 PSI166668166668LG165286165286LG 165293 165293LG 165300165300LG 165307165307LG
0-400 PSI       171730A171730ALG 171741A171741ALG
0-1000 PSI166669166669LG165288165277LG 165295165295LG 165302165302LG 165309165309LG
0-2000 PSI       165377165377LG 171742A171742ALG
0-3000 PSI       165378165378LG 176380176380LG
0-5000 PSI       171732A171732ALG 165381165381LG
More Information
Dial Size 1.5 Inch, 2 Inch, 2.5 Inch, 4 Inch
Process Connection 1/4" NPTM Bottom, 1/4" NPTM Center Back
Case Material Stainless Steel
Liquid Filled Yes
Accuracy ±3-2-3%
Wetted Parts Phosphor bronze
Dial Material Aluminum
Measuring Range 30" HgVac to 150 PSI vacuum/compound, 0-10000 PSI
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