Bi-Metal Bottom Connected 90° Angle 3" Face Thermometer

Bi-Metal Bottom Connected 90° Angle 3" Face Thermometer

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Part Number 31025064
Description Model 31
Male Thread NPT
Male Thread Size 1/2"
Length 2-1/2" stem
Temperature Range 0°F to 250°F (-20°C to 120°C)
Weight Lb 0.7600

Use

  • Immersion: for accurate temperature readings, immerse stem a minimum of 2" (50 mm) in agitated liquids or 4" (100 mm) in moving air or gas
  • Over range: temporary over or under range of 50% of scale up to 260°C or 500°F will not affect the instrument accuracy

Specifications

  • Accuracy: guaranteed to be accurate to within 1% of full scale (Grade A per ASME B40.3) (The American Society of Mechanical Engineers issued a new standard for Bi-Metal Thermometers in 1990 referred to as ASME B40.3.)

Construction

  • Case: sturdy, corrosion resistant series 304 stainless steel case and bezel
  • Crystal: optically clear, strong glass, gasketed to maintain weather-tight integrity is standard
  • Stem: 304 series stainless steel, welded at tip and case connector to prevent leakage, 1/4" (6.35 mm) diameter is standard
  • Hermetic seal: hermetically sealed per ASME B40.3 external reset: slotted-hex adjustment head offers screwdriver or wrench use to field calibrate the thermometer
  • Bi-metal element: an extremely responsive temperature sensing helix which has been carefully sized and tested, heat treated and aged to relieve inherent stresses and insure continued accuracy
  • Dampening: bi-metal helix is coated with a viscous silicone to minimize pointer oscillation and to improve temperature transmission

Safety notes

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