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Temperature & Pressure Gauges

Temperature & Pressure Gauges

  • 1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator Product Image
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    1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator TD3C-BKX 1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator
    SKU: TD3C-BKX
    Brand: Bluefin
    $12.79 each
      Box Up & Save 16%  
    $42.76 box of 4
    $10.69 each
    285
    Mon, Oct 5
    285
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    285 Mon, Oct 5
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  • 4.5" PCT Contractor Pressure Gauge<br>(0-160 PSI) Product Image
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    4.5" PCT Contractor Pressure Gauge (0-160 PSI) GCP45-160 4.5" PCT Contractor Pressure Gauge (0-160 PSI)
    SKU: GCP45-160
    Brand: Bluefin
    $11.39 each
    31
    Mon, Oct 5
    31
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    31 Mon, Oct 5
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  • 1/2" NPT, 2.5" Face, Snap Well Thermometer <br>(Stainless Steel) Product Image
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    1/2" NPT, 2.5" Face, Snap Well Thermometer (Stainless Steel) TH25-250-50SST 1/2" NPT, 2.5" Face, Snap Well Thermometer (Stainless Steel)
    SKU: TH25-250-50SST
    Brand: Bluefin
    $4.35 each
      Box Up & Save 16%  
    $18.25 box of 5
    $3.65 each
    447
    Mon, Oct 5
    447
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    447 Mon, Oct 5
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI) GSS25-100-DS 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI)
    SKU: GSS25-100-DS
    Brand: Bluefin
    (2)
    $7.59 each
    118
    Mon, Oct 5
    118
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    118 Mon, Oct 5
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  • 1/4" NPT, 2" Dial, Lower Mount No Lead Pressure Gauge (0-100 PSI) Product Image
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    1/4" NPT, 2" Dial, Lower Mount No Lead Pressure Gauge (0-100 PSI) GEP2-100-BM 1/4" NPT, 2" Dial, Lower Mount No Lead Pressure Gauge (0-100 PSI)
    SKU: GEP2-100-BM
    Brand: Bluefin
    (6)
    $3.45 each
      Box Up & Save 17%  
    $28.50 box of 10
    $2.85 each
    396
    Mon, Oct 5
    396
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    396 Mon, Oct 5
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-60 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-60 PSI) GSS25-60-DS 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-60 PSI)
    SKU: GSS25-60-DS
    Brand: Bluefin
    $7.59 each
    67
    Mon, Oct 5
    67
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    67 Mon, Oct 5
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  • Water Test Gauge<br>3/4" Hose Thread Product Image
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    Water Test Gauge 3/4" Hose Thread GW25-200 Water Test Gauge 3/4" Hose Thread
    SKU: GW25-200
    Brand: Bluefin
    (4)
    $4.65 each
      Box Up & Save 15%  
    $19.75 box of 5
    $3.95 each
    964
    Mon, Oct 5
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    964 Mon, Oct 5
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  • 3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C) Product Image
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    3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C) TH35-240-V 3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C)
    SKU: TH35-240-V
    Brand: Bluefin
    $38.49 each
    50
    Mon, Oct 5
    50
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    50 Mon, Oct 5
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  • 2" Dial Pressure Gauge - Center Back Mounted<br>(0-100 PSI Range) Product Image
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    2" Dial Pressure Gauge - Center Back Mounted (0-100 PSI Range) GEP2-100-BK 2" Dial Pressure Gauge - Center Back Mounted (0-100 PSI Range)
    SKU: GEP2-100-BK
    Brand: Bluefin
    (1)
    $3.65 each
    114
    Mon, Oct 5
    114
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    114 Mon, Oct 5
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI) GSS25-300-DS 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI)
    SKU: GSS25-300-DS
    Brand: Bluefin
    (1)
    $7.59 each
    153
    Mon, Oct 5
    153
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    153 Mon, Oct 5
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  • 4.5" PCT Contractor Pressure Gauge (0-60 PSI) Product Image
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    4.5" PCT Contractor Pressure Gauge (0-60 PSI) GCP45-60 4.5" PCT Contractor Pressure Gauge (0-60 PSI)
    SKU: GCP45-60
    Brand: Bluefin
    (1)
    $11.39 each
    49
    Mon, Oct 5
    49
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    49 Mon, Oct 5
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  • 1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator), 3-3/8" Well Product Image
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    1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator), 3-3/8" Well TD25B-BKX 1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator), 3-3/8" Well
    SKU: TD25B-BKX
    Brand: Bluefin
    $12.79 each
      Box Up & Save 16%  
    $53.45 box of 5
    $10.69 each
    968
    Mon, Oct 5
    968
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    968 Mon, Oct 5
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  • 1/2" Sweat Connection Thermometer w/ 2"<br>Dial Size Product Image
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    1/2" Sweat Connection Thermometer w/ 2" Dial Size TH2-250-50C 1/2" Sweat Connection Thermometer w/ 2" Dial Size
    SKU: TH2-250-50C
    Brand: Bluefin
    (1)
    $3.95 each
      Box Up & Save 18%  
    $13.00 box of 4
    $3.25 each
    50
    Mon, Oct 5
    50
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    50 Mon, Oct 5
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  • 2.5" Tridicator w/ Ext. Back Temp. and Pressure (0-75 PSI and 70°F-320°F) Product Image
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    2.5" Tridicator w/ Ext. Back Temp. and Pressure (0-75 PSI and 70°F-320°F) TDA25-BKX 2.5" Tridicator w/ Ext. Back Temp. and Pressure (0-75 PSI and 70°F-320°F)
    SKU: TDA25-BKX
    Brand: Bluefin
    (3)
    $14.79 each
    174
    Mon, Oct 5
    174
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    174 Mon, Oct 5
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  • 2.5" Aluminum<br>Clamp-On Thermometer (30°F to 250°F) Product Image
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    2.5" Aluminum Clamp-On Thermometer (30°F to 250°F) TH25-250-CL 2.5" Aluminum Clamp-On Thermometer (30°F to 250°F)
    SKU: TH25-250-CL
    Brand: Bluefin
    $4.19 each
    190
    Mon, Oct 5
    190
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    190 Mon, Oct 5
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  • 2" PEM Dual Scale Economy Pressure Gauge (0-60 PSI) Product Image
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    2" PEM Dual Scale Economy Pressure Gauge (0-60 PSI) GEP2-60-DS 2" PEM Dual Scale Economy Pressure Gauge (0-60 PSI)
    SKU: GEP2-60-DS
    Brand: Bluefin
    $3.45 each
    171
    Mon, Oct 5
    171
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    171 Mon, Oct 5
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  • 2.5" Back Mount Tridicator (0-75 PSI and 70°F-320°F) Product Image
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    2.5" Back Mount Tridicator (0-75 PSI and 70°F-320°F) TDA25-BM 2.5" Back Mount Tridicator (0-75 PSI and 70°F-320°F)
    SKU: TDA25-BM
    Brand: Bluefin
    (1)
    $14.69 each
    184
    Mon, Oct 5
    184
    QtyArrives
    184 Mon, Oct 5
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  • 1/2" NPT Connection Thermometer<br>w/ 2-1/2" Dial Size Product Image
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    1/2" NPT Connection Thermometer w/ 2-1/2" Dial Size TH25-250-50T 1/2" NPT Connection Thermometer w/ 2-1/2" Dial Size
    SKU: TH25-250-50T
    Brand: Bluefin
    (2)
    $5.45 each
      Box Up & Save 16%  
    $45.90 box of 10
    $4.59 each
    719
    Mon, Oct 5
    719
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    719 Mon, Oct 5
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  • 1/4" NPT, 3-1/8" Face<br>Temp & Pressure Gauge (Tridicator) Product Image
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    1/4" NPT, 3-1/8" Face Temp & Pressure Gauge (Tridicator) TD3C-BK 1/4" NPT, 3-1/8" Face Temp & Pressure Gauge (Tridicator)
    SKU: TD3C-BK
    Brand: Bluefin
    (2)
    $11.59 each
      Box Up & Save 16%  
    $38.76 box of 4
    $9.69 each
    250
    Mon, Oct 5
    250
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    250 Mon, Oct 5
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  • 2" PEM Dual Scale Economy Pressure Gauge (0-15 PSI) Product Image
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    2" PEM Dual Scale Economy Pressure Gauge (0-15 PSI) GEP2-15-DS 2" PEM Dual Scale Economy Pressure Gauge (0-15 PSI)
    SKU: GEP2-15-DS
    Brand: Bluefin
    $3.45 each
    413
    Mon, Oct 5
    413
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    413 Mon, Oct 5
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  • 2" PEM Dual Scale Economy Pressure Gauge (0-100 PSI) Product Image
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    2" PEM Dual Scale Economy Pressure Gauge (0-100 PSI) GEP2-100-DS 2" PEM Dual Scale Economy Pressure Gauge (0-100 PSI)
    SKU: GEP2-100-DS
    Brand: Bluefin
    $3.45 each
    265
    Mon, Oct 5
    265
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    265 Mon, Oct 5
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  • 3" TTD Back Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) Product Image
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    3" TTD Back Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) TDA3-BK 3" TTD Back Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F)
    SKU: TDA3-BK
    Brand: Bluefin
    (1)
    $14.99 each
    147
    Mon, Oct 5
    147
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    147 Mon, Oct 5
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  • 2" PET Economy Gas Test Pressure Gauge (0-60 PSI) Product Image
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    2" PET Economy Gas Test Pressure Gauge (0-60 PSI) GEG2-60 2" PET Economy Gas Test Pressure Gauge (0-60 PSI)
    SKU: GEG2-60
    Brand: Bluefin
    $6.29 each
    80
    Mon, Oct 5
    80
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    80 Mon, Oct 5
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  • 3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) Product Image
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    3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) TDA3-BM 3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F)
    SKU: TDA3-BM
    Brand: Bluefin
    (1)
    $20.69 each
    138
    Mon, Oct 5
    138
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    138 Mon, Oct 5
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FAQs, Manuals & Videos

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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