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

This advanced thermometer, manufactured in China, integrates explosion-proof and electric contact bimetal technology for reliable and precise temperature readings even in extreme conditions. With a robust 100mm size and durable stainless steel housing, it offers exceptional resilience and corrosion resistance, making it perfect for outdoor applications. The device is engineered with adjustable upper and lower limits, enabling users to customize the temperature control range for safe equipment operation. Whether in high-temperature or challenging industrial settings, the bimetal structure guarantees accuracy and stability in temperature measurements. Ideal for various industrial applications such as pipeline monitoring and external equipment temperature control, this thermometer is the go-to choice for those seeking high-quality temperature control solutions from trusted suppliers and factories

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.×2 (2a)
Double contacts N.C.×2 (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 temperature control in high current and hazardous environments
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 to IP65
Customized & OEM dial design
ISO & CE Certificate
Applications
Some industries where bimetallic temperature gauges are used are:
Chemical / Petrochemical Industry
Thermal / Hydro Power Stations
Pharmaceutical Industry
Food Processing & Hygienic Applications
Water Treatment Plants
Iron and Steel Industry
HVAC
Rubber Molding / Processing Plants
Hydraulics and Pneumatics
Sugar / Fertilizer Industries
Refineries
Cryogenics
Frequently Asked Questions
Q What is the maximum process temperature this bimetallic thermometer can handle?
This bimetallic thermometer is rated for a maximum process temperature of 400°C, making it suitable for high-temperature industrial environments such as refineries, power stations, and chemical processing plants.
Q What thread types and connection standards are available?
The thermometer supports a wide range of thread standards, including 3/8" and 1/2" sizes, with thread types such as PT (BSPT, ZG), BSP (G, PF), and NPT. Custom thread specifications can be accommodated upon request.
Q Is this thermometer suitable for hazardous or explosive environments?
Yes. The unit features an explosion-proof enclosure rated for Class I (Group B, C & D) and Class II (Group E, F & G) environments, and carries IP65 protection, making it safe for use in hazardous industrial locations.
Q Can the stem length and dial be customized?
Absolutely. The stem bulb diameter is available in 6mm or 8mm, with lengths ranging from 50mm to 500mm. The dial can also be customized with your brand logo for OEM requirements.
Q What contact functions does the switch support?
The sliding switch SPST supports multiple contact configurations: Single N.O. (1a), Single N.C. (1b), Double N.O.+N.C. (1a1b), Double N.C.+N.O. (1b1a), Double N.O.×2 (2a), and Double N.C.×2 (2b), providing flexibility for various control circuit requirements.
Q What certifications does this thermometer carry?
This bimetallic thermometer is certified to ISO and CE standards, with accuracy conforming to Class 1.0 per EN 13190. These certifications ensure reliable performance and compliance with international quality and safety requirements.

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