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U.S. Gauge offers 3” and 5” heavy duty, industrial bimetallic thermometers with a 90º back angle, rear threaded union connection design. These thermometers, with 316 stainless steel wetted parts, are rugged and commonly used in industrial, pulp and paper, food and beverage processing, HVAC, and OEM applications.
The standard connection is 1/2-14 NPT, but others are available. The thermometers may be silicone filled for additional vibration dampening. A variety of lens materials are available including acrylic, polycarbonate, shatterproof and tempered glass. Standard stem diameter, up to 42” long, is .25”. Other available stem sizes are .24” (6 mm), .32” (8 mm), and .375” (9.52 mm). Some temperature ranges are NSF® certified.
SPECIFICATIONS
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STEM DIAMETER
.25” standard up to 42” stem
.375” standard over 42” stem
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CONNECTION
1/2-14 NPT
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EXTERNAL RESET
Easy to calibrate by inserting 1/16” hex wrench into reset opening
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CONSTRUCTION
304 stainless steel external parts, welded construction, corrosion resistant to most chemicals
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HERMETIC SEAL
Per ASME B40.3, dustproof and leakproof
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DIAL
True anti-parallax dial, easy to read from any angle, minimizes reading errors; anodized aluminum with large black numbers and graduations
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LENS
Glass
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BIMETALLIC COIL
Helix coil is silicone coated on ranges below 500ºF for vibration dampening and to maximize heat transfer and response time
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ACCURACY
±1% full span per ASME B40.3 Grade A, when using maximum or minimum temperature indicator, accurate to within 1-1/2% full span
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OVER TEMPERATURE LIMITS
Up to 250ºF, 100%; 250º to 550ºF, 50%; 550º to 1000ºF, continuous use up to 800ºF, intermittent use over 800ºF
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