OEM Explosion-Proof Electric Contact Bimetal Thermometer - China Suppliers & Factory for Precise Temperature Control Manufacturer, Factories

Introducing our advanced explosion-proof thermometer, a product of cutting-edge electric contact bimetal technology, designed for China’s industrial sector. This 100mm thermometer is encased in durable stainless steel, ensuring exceptional resistance to corrosion and making it perfect for outdoor use in harsh environments, With adjustable upper and lower temperature limits, users can easily customize the control range to ensure safe operation for all types of equipment. This reliable device maintains accurate and stable temperature readings, even in extreme conditions, making it indispensable for various industrial applications such as pipeline monitoring and external equipment temperature control, As a leading supplier in the market, our factory produces thermometers that are tailored for industries that demand explosion-proof and precise temperature management solutions. Trust our expertise and superior quality to meet your temperature measurement needs in any challenging industrial environment

Product Description

Product Specifications

Case Die casting aluminum
Size 150mm (6")
Ring(Cover) Die casting aluminum
Window Polycarbonate/tempered glass
Pointer Aluminum Alloy, Black Finished, Zero-adjustable
Dial Aluminum alloy in white background, can be in customize 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 1.0 as per EN 13190
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
Explosion-proof level Class I, Gr B, C & D,
Class II, Gr, E, F & G

Key Features

Explosion-proof enclosure
Adopts SPDT micro switch, max. contact rating 5A, suitable for high current environment
Suitable for temp control in high current and hazardous environment.
Wide selection of temperature ranges
All-stainless steel construction design
Adopts sliding switch SPST with various contact function
Stem length and outer diameter can be customized upon request
Protection to IP65
Customized dial design
ISO & CE Certificate

Applications

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

Frequently Asked Questions

What is the explosion-proof level of this bimetallic temperature gauge?
This temperature gauge is certified with Class I, Groups B, C & D, and Class II, Groups E, F & G explosion-proof protection, making it highly suitable for hazardous and demanding environments.
Can the stem size and connection threads be customized?
Yes, the stem bulb diameter (6mm or 8mm) and length (ranging from 50mm to 500mm) can be fully customized. Connection thread options include 3/8", 1/2", PT (BSPT, ZG), BSP (G, PF), and NPT based on your specific requirements.
What contact functions are supported by the sliding switch SPST?
It supports multiple contact functions: Single contact N.O. (1a) / 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).
What materials are used for the casing and wet parts?
The case and ring (cover) are made of durable die-casting aluminum. The stem and connection are constructed of Stainless Steel 304 (with SS316 available upon request) to ensure excellent corrosion resistance.
What are the operating temperature limits and accuracy levels?
The gauge operates within an ambient temperature range of -25°C to +65°C and can withstand process temperatures up to a maximum of 400°C. It offers Class 1.0 accuracy in compliance with the EN 13190 standard.
In which industrial applications is this gauge typically used?
It is widely used in chemical/petrochemical plants, thermal and hydro power stations, pharmaceutical facilities, food processing industries, water treatment facilities, iron and steel plants, refineries, and HVAC installations.

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