304 stainless steel external parts, welded construction, corrosion resistant to most chemicals
Hermetic Seal
Per ASME B40.3, dustproof and leakproof
Dial
Cupped anti-parallax dial, easy to read from any angle, minimizes reading errors; anodized aluminum with large black numbers and graduations. Outer scale in Fahrenheit; inner scale Celsius.
Lens
Glass; shatter resistant glass available
Bimetallic Coil
Helix coil is silicone coated on ranges below 500ºF for vibration dampening and to maximize heat transfer and response time
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
Over Temperature Limits
Up to 250ºF, 100%; 250º to 550ºF, 50%; 550º to 1000ºF, continuous use up to 800ºF, intermittent use over 800ºF
Liquid Filled
Silicone fill available as an option
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