Serial integrated thermal couple and resistor is the new type integration temperature transmitting unit of temperature sensor and transmitter. It builts the SGW □ temperature transmitter in the temperature sensor (thermocouple, thermal resistance) junction box

 and transforms kinds of temperature measurer heat signals site into linearly Standard current (4～20mA DC) and form temperature sensing - transmission integration . Its measurement accuracy, long-distance transmission and anti-jamming capabilities are better than other similar temperature meters.

  Series of integrated thermocouple, thermal resistance can be very convenient matching with a variety of secondary instruments or computer systems, so as to achieve on-site temperature detection and control, it can be widely used in petroleum, chemical, metallurgy, power plants, Medicine and other industrial sectors and scientific research units.

It has the following characteristics:

 1）It chooses two kinds of stainless steel explosion-proof junction box or aluminum alloy junction box of different sizes, using armored temperature measuring components, squeezed loose structure, with short thermal response time , high reliability, strong interchangeability, and long service life.

 2）It can choose various connection structures and be connected to various thermal tube casings. Strengthened casing can be directly installed on the equipment. Its installation and maintenance is very convenient.

 3）SGW has high precision in temperature change and built in cold-end compensation. Its output DC current and the measured temperature signal are in a linear relationship.

 4）4~20Ma DC large signal current transmission, Signal transmission distortion less, strong anti-interference ability and long transmit distance.

 5）With the safety barrier (LB830S) constitutes intrinsically safe explosion-proof system, directly installed in hazardous locations.

 6）With 2-wire system and general copper conductors for transferring, saving expensive costs of compensation wire.

 7)Flexible application, in the field with pointer head and digital display meter to show the temperature, can be used with the accommodometer, recorder, display instrument, PLC and DOS system supporting use, and can directly enter the computer control system.

1) basic accuracy

Thermocouple integration temperature change 0.75%FS, thermal resistance integration temperature change 0.25%FS.

2) temperature measuring element

Single and double armored elements Phi 3, Phi 4, Phi 5, phi 6, Phi 8 optional, optional K, N, E, TC, J, T, S, R, B, Pt100, Cu50, thermal resistance and optional Cu100.

3) output signal

4 ~ DC 20mA DC current signal, linearity with the measured temperature, two-wire transmission

4) power supply voltage

12 ~ 40V all can work normally, the rated voltage is 24VDC, and has the reverse protection function.

5) maximum load

Power V-7.5V/0.022A (current output).

6) temperature variation

4g/2 ~ 150Hz.

7)Sensor disconnection alarm: about the two-wire thermal resistance and thermocouple temperature change module, when the output signal is less than 3.5mADC, the lower limit alarm and upper limit alarm value can be set by the user, such as 20.5mADC.

8) protection class: IP65.

9) explosion proof grade: Exd II BT4 ~ 5, Exd II CT1 ~ 6.

10 working environment: -20 GT ~ 70 C, -40 LT ~ 80 C, relative humidity 0 ~ 100% no condensation.