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Temperature & Pressure Gauges

  • 1/2" NPT Connection Thermometer<br>w/ 2-1/2" Dial Size Product Image
    1/2" NPT Connection Thermometer w/ 2-1/2" Dial Size
    SKU: TH25-250-50T
    Brand: Bluefin
    (1)
    $5.45 each
    $45.90 box of 10
    $4.59 each
    900
    Thu, Sep 5
    900
    QtyArrives
    900 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator), 3-3/8" Well Product Image
    $12.79 each
    $53.45 box of 5
    $10.69 each
    460
    Thu, Sep 5
    460
    QtyArrives
    460 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2-1/2" TSW Dial Type Therm w/ 3/4" Sweatwell 30°F -250°F & 0°C -120°C Product Image
    $8.59 each
    100
    Thu, Sep 5
    100
    QtyArrives
    100 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2-1/2" PEM Dual Scale Economy Pressure Gauge (0-100 PSI) Product Image
    $3.95 each
    8
    Thu, Sep 5
    8
    QtyArrives
    8 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2" PEM Dual Scale Economy Pressure Gauge (0-100 PSI) Product Image
    $3.45 each
    138
    Thu, Sep 5
    138
    QtyArrives
    138 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 1/2" Sweat Connection Thermometer w/ 2"<br>Dial Size Product Image
    $3.95 each
    $13.00 box of 4
    $3.25 each
    154
    Thu, Sep 5
    154
    QtyArrives
    154 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C) Product Image
    $38.49 each
    17
    Thu, Sep 5
    17
    QtyArrives
    17 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2" PEM Dual Scale Economy Pressure Gauge (0-30 PSI) Product Image
    $3.45 each
    86
    Thu, Sep 5
    86
    QtyArrives
    86 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 1/2" Sweat Connection Thermometers<br>w/ 2-1/2" Dial Size Product Image
    $4.39 each
    $36.80 box of 10
    $3.68 each
    79
    Thu, Sep 5
    79
    QtyArrives
    79 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI) Product Image
    $7.59 each
    74
    Thu, Sep 5
    74
    QtyArrives
    74 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2" Dial Pressure Gauge - Center Back Mounted<br>(0-100 PSI Range) Product Image
    $3.65 each
    157
    Thu, Sep 5
    157
    QtyArrives
    157 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2" PET Economy Gas Test Pressure Gauge (0-15 PSI) Product Image
    $6.29 each
    46
    Thu, Sep 5
    46
    QtyArrives
    46 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 1/2" NPT, 2.5" Face, Snap Well Thermometer <br>(Stainless Steel) Product Image
    $4.35 each
    $18.25 box of 5
    $3.65 each
    1
    Thu, Sep 5
    1
    QtyArrives
    1 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator) Product Image
    $10.59 each
    $43.95 box of 5
    $8.79 each
    1,254
    Thu, Sep 5
    1,254
    QtyArrives
    1,254 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-160 PSI) Product Image
    $7.59 each
    107
    Thu, Sep 5
    107
    QtyArrives
    107 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator Product Image
    $12.79 each
    $42.76 box of 4
    $10.69 each
    254
    Thu, Sep 5
    254
    QtyArrives
    254 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2.5" Aluminum<br>Clamp-On Thermometer (30°F to 250°F) Product Image
    $4.19 each
    364
    Thu, Sep 5
    364
    QtyArrives
    364 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI) Product Image
    $7.59 each
    26
    Thu, Sep 5
    26
    QtyArrives
    26 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2" PET Economy Gas Test Pressure Gauge (0-100 PSI) Product Image
    $6.29 each
    38
    Thu, Sep 5
    38
    QtyArrives
    38 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • Water Test Gauge<br>3/4" Hose Thread Product Image
    Water Test Gauge 3/4" Hose Thread
    SKU: GW25-200
    Brand: Bluefin
    (1)
    $4.65 each
    $19.75 box of 5
    $3.95 each
    1,414
    Thu, Sep 5
    1,414
    QtyArrives
    1,414 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 4.5" PCT Contractor Pressure Gauge<br>(0-160 PSI) Product Image
    $11.39 each
    40
    Thu, Sep 5
    40
    QtyArrives
    40 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 4.5" Contractor Pressure Gauge (0-100 PSI) Product Image
    4.5" Contractor Pressure Gauge (0-100 PSI)
    SKU: GCP45-100
    Brand: Bluefin
    $11.39 each
    36
    Thu, Sep 5
    36
    QtyArrives
    36 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 2.5" Back Mount Tridicator (0-75 PSI and 70°F-320°F) Product Image
    $14.69 each
    94
    Thu, Sep 5
    94
    QtyArrives
    94 Thu, Sep 5
    Questions? Call 1-888-757-4774
  • 3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) Product Image
    $20.69 each
    28
    Thu, Sep 5
    28
    QtyArrives
    28 Thu, Sep 5
    Questions? Call 1-888-757-4774

Resources

Articles

  • Temperature and pressure gauges are used to measure the temperature and pressure of a gas or liquid in a system. Stainless steel is the most common material used for these gauges, followed by brass. Gauges are available in either dry or liquid filled models. A liquid filled gauge has a long lifespan because it has fewer moving parts and the thick oil which fills it leaves no room for humid ambient air to enter. Water cannot condense and accumulate in a liquid filled gauge, as it can in a dry gauge.

    Some gauges contain illuminated dials and digital readouts for better visibility. A gauge with temperature compensation has the ability to correct any ambient temperature variation. Differential gauges allow for differential pressures, and duplex gauges indicate dual pressures on a single dial. Tridicators are common pressure gauges that measure temperature, pressure, and altitude. Snap Well thermometers measure the ambient temperature of a desired location.
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