China Bottom Mount Stainless Steel Electrical Contact Bimetal Thermometer Manufacturers, Suppliers

The Electrical Contact Bimetal Thermometer is a robust and dependable solution for temperature monitoring and automatic control in industrial applications. Featuring a durable stainless steel probe and a clear dial face, this thermometer offers instant temperature readings and supports on-site switching functions via its integrated electric contact mechanism.

Designed with bimetal sensing technology, it ensures fast response times, high accuracy, and long-term stability. The electric contact function allows for automatic triggering of alarms, cut-offs, or relays, making it ideal for systems that require real-time monitoring and safety control.

This thermometer is widely used in boilers, chemical pipelines, HVAC systems, energy equipment, and mechanical processing lines, where maintaining temperature control is critical to operational efficiency and safety.

Product Description

Product Specifications

Case Stainless steel 304
Size 75mm (3"), 100mm (4"), 150mm (6")
Ring (Cover) Stainless steel 304 bayonet type
Window Polycarbonate / tempered glass
Pointer Aluminum Alloy, Black Finished, Zero-adjustable
Dial Aluminum alloy in white background, customizable brand logo
Connection SS304 (or SS316 as per request), bottom mounting
Thread 3/8", 1/2"; PT (BSPT, ZG), BSP (G, PF), NPT etc. as per request
Sensing Element Bi-metallic coil
Accuracy Class 1.6 as per EN 13190 (as standard), maximum class 1.0
Over Pressure Limit 110% of full scale value
Ambient Temperature -25°C to +65°C
Process Temperature Max. 400°C
Stem Material Stainless steel 304 (SS316 as per request)
Stem Bulb Diameter 6mm or 8mm; length from 50mm to 500mm
Wiring Type Junction box (JB) on right side
Contact Type Sliding switch SPST
Contact Function Single contact N.O. (1a) / Single contact N.C. (1b)
Double contacts N.O.+N.C. (1a1b)
Double contacts N.C.+N.O. (1b1a)
Double contacts N.O.x2 (2a)
Double contacts N.C.x2 (2b)
Protection IP65
Package Neutral Shakeproof package with sticker

Key Features

Compliance to EN 13190 standard
Wide selection of temperature ranges
All-stainless steel construction design
Adopts sliding switch SPST with various contact functions
Stem length and outer diameter can be customized upon request
Protection rating to IP65
Zero adjustable pointer
Customized & OEM dial design
ISO & CE Certificate standard

Applications

Some industries where bimetallic temperature gauges are used:
Chemical / Petrochemical Industry Thermal / Hydro Power Stations Pharmaceutical Industry Food Processing Industries / Hygienic Applications Water Treatment Plants Iron and Steel Industry HVAC Systems Rubber Molding / Processing Plants Hydraulics and Pneumatics Sugar / Fertilizer Industries Refineries Cryogenics

Frequently Asked Questions

Q: What quality standards and certifications does this bimetallic gauge comply with?

A: The gauge complies with the EN 13190 standard, offering a standard accuracy of Class 1.6 (with Class 1.0 maximum upon request). It is also certified with ISO & CE standards.

Q: What temperature ranges and maximum process limits can it measure?

A: It supports a wide selection of temperature ranges with a maximum process temperature of up to 400°C and operates within an ambient temperature of -25°C to +65°C.

Q: Are stem dimensions and connection threads customizable?

A: Yes, stem lengths (50mm to 500mm) and bulb diameters (6mm or 8mm) can be customized. Thread options include 3/8", 1/2", PT (BSPT, ZG), BSP (G, PF), and NPT based on your specific requirements.

Q: What types of electric contact functions are available?

A: The sliding switch SPST contact options include Single contact N.O. (1a), Single contact N.C. (1b), Double contacts N.O.+N.C. (1a1b), Double contacts N.C.+N.O. (1b1a), Double contacts N.O.x2 (2a), and Double contacts N.C.x2 (2b).

Q: What materials are used in the construction for durability?

A: It features an all-stainless steel construction design with a Stainless Steel 304 bayonet ring/case (SS316 stem/connection optional) and a Polycarbonate or tempered glass window for robust protection rated to IP65.

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