About WSSF(N) All Steel Bimetal Thermometer
HollySys WSSF(N) All Steel Bimetal Thermometer is a precision instrument designed for the direct measurement of vapor and liquid temperatures. It utilizes an imported bimetallic sheet as its temperature sensing element, ensuring high speed and accuracy in readings. Constructed with a 304 stainless steel plasma-welded shell and employing a spinning sealing process, this thermometer exhibits exceptional shock resistance, splash protection, and corrosion resistance. Its design facilitates easy readability and durability. This versatile instrument finds extensive application across various industries including petroleum, chemical manufacturing, machinery, shipbuilding, power generation, textiles, printing and dyeing, pharmaceuticals, as well as in scientific research departments.

Product Applications
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All stainless steel bimetallic thermometer series can directly control the temperature of various liquid, gas and vapor media in surveillance production site.
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All stainless steel shock-resistant bimetallic thermometer series is more suitable for high dynamic vibration environments.
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Widely used in petroleum, chemical, machinery, shipbuilding, electric power, textile, printing and dyeing and other industrial and scientific research departments.
Technical Parameters
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Nominal diameter
Φ40, Φ60, Φ63, Φ76, Φ80, Φ100, Φ127, Φ150
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Indication accuracy
1.0%, 1.5%, 2.5%
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Measurement range
-80 to 600 ºC
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Process connection
No fixtures
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Threaded connection
Movable external thread, movable internal thread, fixed thread, clamping thread
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Flanged connection
Movable flange, fixed flange, sanitary flange
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Guard material
304SS, 316SS, (customizable as per user)
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Guard diameter
Φ6.35, Φ8, Φ10, Φ12
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Case material
304SS, 316L
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Instrument pointer
Aluminum alloy (black)
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Instrument dial
Aluminum alloy (black on white background)
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Instrument glass
Polycarbonate, flat glass, safety glass
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Protection level
IP54, IP65
Services & Support
The Latest
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2025-08-05 -
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2025-07-24 -
HollySys Wins Control System Contract for ChinaCoal Erdos Energy & Chemical 100 KTA Liquid Sunshine Project
2025-07-09
