Temperature Sensor for Coal Mine Use

• Installation Type: Two Wire System and Four Wire System
• Sensing Type: Thermocouple
• Contact: Contact
• Output Signal Type: Digital Type
• Production Process: Normal Wirewound
• Material: Ceramics
• Model NO.: GWH150
• Measuring Medium: Temperature
• IP Rating: IP65
• Certification: ISO
• Customized: Non-Customized
• Transport Package: Wooden Box
• Trademark: Wantai
• Origin: Huainan, Anhui, China
• Production Capacity: 5000pieces/Year

Product Description

                                                         Infrared temperature sensor
1. Overview
   GWH150 infrared temperature sensor (hereinafter referred to as the sensor) is applicable to the environment containing explosive gas (CH4) in underground coal mine, open-pit coal mine, coal preparation plant and other workplaces. It is used as the temperature protection signal detection of belt conveyor protection device.

2.Characteristics
   Compared with other similar products, this product has the following characteristics:
1.The product has the advantages of simple wiring, less explosion points and easy maintenance;
2.High accuracy of infrared temperature measurement and good anti-interference performance;
3.The product has the advantages of good sealing, moisture proof, simple and reliable operation and small maintenance amount;


3. Main technical parameters

Rated voltage	12V DC
Working current	≤ 30mA
Measurement range	0 ~ 150 ºC
Basic error	≤ 2.5% (F.S)
Overall dimension	96 mm × Φ 18
Shell material	stainless steel
Quality	100g

The maximum length of transmission cable is 1km, the distributed capacitance is less than 0.1 μ f / km, and the distributed inductance is less than 1mH / km;

4.Functional features
1.Temperature detection: real time detection of the measured object or environment temperature;
2.Temperature output: the temperature is sent to the host microcontroller with standard 4-20mA current signal;