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Pneumatic
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DPL418
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Thermometers
Features:
•
case: sturdy, corrosion resistant series 304 stainless steel
•
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, ¼" (6.35 mm) diameter
•
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
•
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
•
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.)
•
standard connection is ½" male NPT
Model 30 Back Connected
Stem Length Temperature Range
3" Face
Part #
2½"
0-250°F/-20-120°C
30025064
2½"
50-500°F/10-260°C
30025104
4"
0-250°F/-20-120°C
30040064
4"
50-500°F/10-260°C
30040104
6"
0-250°F/-20-120°C
30060064
6"
50-500°F/10-260°C
30060104
9"
0-250°F/-20-120°C
30090064
9"
50-500°F/10-260°C
30090104
Model 31 Bottom Connected 90° Angle
Stem Length Temperature Range
3" Face
Part #
2½"
0-250°F/-20-120°C
31025064
4"
50-500°F/10-260°C
31040104
Model 50 Back Connected
Stem Length Temperature Range
5" Face
Part #
2½"
50-500°F/10-260°C
50025104
4"
0-250°F/-20-120°C
50040064
Model 52 Adjustable Angle
Stem Length Temperature Range
5" Face
Part #
2½"
0-250°F/-20-120°C
52025064
4"
0-250°F/-20-120°C
52040064
4"
50-500°F/10-260°C
52040104
Bi-Metal Thermometers