China China Suppliers Bi-metal Thermometer 4 100mm with Electric Switch Contacts - Industrial Factory Equipment Manufacturer, Suppliers

Introducing our high-quality electric contact bi-metal thermometer, designed specifically for accurate temperature measurement in various industrial applications. Leveraging a bimetallic coil, this thermometer not only indicates temperature but also features electrical contacts that enable automated control and alarm triggering when predetermined temperature limits are reached. This makes it an ideal choice for industrial automation, pipelines, boilers, and HVAC systems, Our bi-metal thermometer with switch contacts is perfect for situations where on-site temperature indication is essential while also needing to switch circuits effectively. The adjustable switch contacts, or electrical alarm contacts, operate based on the position of the measuring instrument's pointer, ensuring precise temperature management across the full measuring range, Manufactured in China, our thermometer offers unmatched reliability and performance. The instrument's pointer moves smoothly across the entire scale, allowing for accurate real-time readings. You can easily adjust the set pointer through a convenient window using a removable adjustment key, ensuring optimal functionality tailored to your specific needs, As leading suppliers in the industry, our factory guarantees that this bi-metal thermometer will meet all your temperature-monitoring requirements with ease and efficiency. Trust in our expertise for your industrial temperature solutions

Product Description

Product Specifications
CaseChromed steel
Size75mm (3"), 100mm (4")
Ring (Cover)Acrylic in snap-in cover type
WindowPolycarbonate or instrumental glass
PointerAluminum Alloy, Black Finished, Zero-adjustable
DialAluminum alloy in white background, can be in customize brand logo
ConnectionSS304 (or SS316 as per request). Bottom mounting
Thread3/8", 1/2"; PT (BSPT, ZG), BSP (G, PF), NPT etc as per request
Sensing ElementBi-metallic coil
AccuracyClass 1.6 as per EN 13190 (as standard), maximum class 1.0
Over Pressure Limit110% of full scale value
Ambient Temperature-25°C to +65°C
Process TemperatureMax. 400°C
Stem MaterialStainless steel 304 (SS316 as per request)
Stem BulbDiameter 6mm or 8mm; length from 50mm to 500mm
Wiring TypeJunction box (JB) on right side
Contact TypeSliding switch SPST
Contact FunctionSingle 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)
ProtectionIP65
PackageNatural 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
Q What is the maximum process temperature this thermometer can handle?
This bimetallic thermometer supports a maximum process temperature of 400°C, while the overall measurable temperature range spans from -50°C to 600°C depending on the selected configuration.
Q What thread standards are available for the connection?
The thermometer supports multiple thread standards including 3/8" and 1/2" in PT (BSPT, ZG), BSP (G, PF), and NPT formats. Custom thread specifications can also be arranged upon request.
Q Can the dial be customized with a brand logo?
Yes. The aluminum alloy dial features a white background and can be customized with your brand logo or other markings as per your specific requirements.
Q What contact function options are available for the switch output?
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), offering flexible integration into control systems.
Q What is the ingress protection rating of this thermometer?
The thermometer carries an IP65 protection rating, meaning it is fully dust-tight and protected against low-pressure water jets, making it well-suited for harsh industrial environments.
Q Are different stem lengths and materials available?
Yes. The stem bulb diameter is available in 6mm or 8mm, with lengths ranging from 50mm to 500mm. The standard stem material is Stainless Steel 304, with SS316 available upon request for more corrosive environments.

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