OEM China Suppliers Factory Stainless Steel 4 100mm Bi-metal Thermometer with Electric Switch Contacts for Industrial Use Supplier, Factory

Introducing our high-quality electric contact bi-metal thermometer, designed for precise temperature measurement in various industrial applications. This advanced thermometer features a bimetallic coil and integrated electrical contacts that enable it to trigger alarms or control devices once a specified temperature limit is achieved. It's perfect for use in industrial automation, pipelines, boilers, and HVAC systems, providing reliable on-signaling for automatic control, Our bi-metal thermometer with switch contacts is essential for scenarios where on-site temperature indication is necessary, along with the capability to switch circuits. The adjustable switch contacts operate based on the position of the instrument’s pointer, ensuring accurate circuit control. The instrument’s pointer moves smoothly across the entire measuring range, ensuring independence from the set point. Additionally, the set pointer can be easily adjusted through the window using a removable adjustment key, As a trusted supplier and manufacturer in China, we are committed to delivering top-notch thermometers that meet the highest industry standards. Enhance your operational efficiency with our innovative solutions tailored for your specific needs

Product Description

Product Specifications
Case Chromed steel
Size 75mm (3"), 100mm (4")
Ring (Cover) Acrylic in snap-in cover type
Window Polycarbonate or instrumental 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 1.6 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 Natural box package with sticker
Key Features
High reliability and long service life
Universal application
Case and stem from stainless steel
Instruments with inductive contacts for use in hazardous areas
Durable, vibration-resistant, suitable for harsh industrial environments
Can measure wide temperatures from -50°C to 600°C
Customized and often available with different stem lengths, diameters, and case materials
Applications
Boilers, pipelines, and machinery for process control
HVAC systems for heating and cooling regulation
Chemical / petrochemical industry
Food processing industries
Iron and steel industry
Hydraulics and pneumatic
Any application needing local temperature monitoring plus automatic signaling
Frequently Asked Questions (FAQ)
Q What sizes are available for this bimetallic thermometer with switch contact?
The thermometer is available in two standard dial sizes: 75mm (3 inch) and 100mm (4 inch). Custom sizes may be arranged upon request.
Q What is the maximum process temperature this thermometer can handle?
The thermometer supports a maximum process temperature of 400°C, while the overall measurable temperature range spans from -50°C to 600°C depending on configuration.
Q What contact function options are available?
Several contact configurations are supported via a sliding switch SPST, including: 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).
Q What thread standards are supported for the connection?
The thermometer supports a wide range of thread standards including PT (BSPT, ZG), BSP (G, PF), and NPT, in sizes 3/8" and 1/2". Other thread types can be accommodated upon request.
Q Is this thermometer suitable for use in hazardous or harsh environments?
Yes. The thermometer features IP65 protection, vibration-resistant construction, and inductive contact options specifically designed for use in hazardous areas and demanding industrial environments.
Q Can the dial be customized with a brand logo?
Yes. The aluminum alloy dial features a white background and supports custom brand logo printing, making it suitable for OEM and private-label applications.

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