OEM China Suppliers Bi-metal Thermometer 4 100mm with Electric Switch Contacts - Industrial Factory Automation Device Supplier, Suppliers

Introducing our high-quality electric contact bi-metal thermometer, designed specifically for precise temperature measurement and control in various industrial applications. This innovative thermometer utilizes a bimetallic coil to measure temperature while incorporating electrical contacts to activate alarms or control devices when a predetermined temperature limit is reached. It is perfect for use in industrial automation, pipelines, boilers, and HVAC systems, providing reliable on-signaling capabilities for automatic control, Ideal for situations where real-time temperature indication is required on-site while needing to switch circuits, our bi-metal thermometer with switch contacts is the perfect solution. These switch contacts, also known as electrical alarm contacts, enable circuits to be made or broken based on the position of the measuring instrument's pointer. Adjustable over the entire measuring range, the instrument’s actual value pointer moves freely across the full scale, independent of the set point, which can be modified via a window using a removable adjustment key, As a leading China supplier and factory of high-performance bi-metal thermometers, we are committed to delivering exceptional quality and precision. Experience the reliability and efficiency of our products for your industrial needs today!

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 pneumatics
Any application needing local temperature monitoring plus automatic signaling

Frequently Asked Questions

What is the standard accuracy of this bimetallic thermometer?

The standard accuracy is Class 1.6 as per EN 13190. However, a higher accuracy of Class 1.0 is available upon request.

What temperature ranges can this instrument measure?

It can measure a wide temperature span from -50°C up to 600°C. The maximum process temperature limit is 400°C, and it operates in ambient temperatures ranging from -25°C to +65°C.

What are the available contact functions for the sliding switch?

The 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).

Can the stem length and connection thread size be customized?

Yes. The stem bulb is available in 6mm or 8mm diameters with lengths customizable from 50mm to 500mm. Threads can be supplied in 3/8", 1/2", PT (BSPT, ZG), BSP (G, PF), NPT, and other types as requested.

Is this thermometer suitable for harsh or hazardous industrial environments?

Yes. It is vibration-resistant, features an IP65 protection rating, and is constructed with a durable chromed steel case and stainless steel stem. Models with inductive contacts are also available for use in hazardous areas.

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