Industrial Ultrasonic Differential explosion-proof 433 mhz 420ma pt100 high accuracy temperature transmitter

    JWB integrated temperature transmitter and sensor is a kind of contact temperature measurement field instrument, which has good electromagnetic compatibility, anti-interference performance and output protection function. It is usually used with its corresponding secondary instrument or computer acquisition and measurement system, and can accurately measure the temperature of various media or objects from - 200 ℃ to 1600 ℃.

Code code

Output

Accuracy

Power supply

Load

A

4~20 mA DC 2 line

0.5% 0.2% *

24V DC

≥650Ω

V

0~5 V DC 3-wire system

0.5%

12V DC

K Ω2K Ω~2 00

D

RS485 Communications (MODBUS RTU)

0.5% 0.2% *

12V DC

64 points

According to the range, accuracy and environment required by the user, the sensor used inside the product is determined by the
manufacturing department.
Generally according to 0.5% accuracy of the product supply, need 0.2% accuracy of the product order indicated.*

Built-in module-related performance Integrated circuit seal curing: suitable for wet, salt spray, dust, corrosion, vibration
environment
Power supply :12~32 VDC accuracy :0.2%0.05* circuit temperature drift :±0.005%/℃
Use ambient temperature :-30℃~85℃ Use relative humidity 5 RH ℃~85 per cent
Polarity protection against overcurrent and overvoltage Protection against surge and electromagnetic interference Benan Ex                                                                                   iaIICT4*
Output protection, sensor abnormal judgment function: sensor open output >23 mA <25 mA, sensor short circuit output mA 3.8

Code code

Sensor

Accuracy allowable deviation △t ℃

Temperature measurement range

P

Pt100 thermal resistance

A ±0.15+0.002.|t|
B ±0.30+0.005 |t|

-50-300℃      -200～500℃

K

K graduated thermocouple

2.5℃± or ±0.75. |t|

0～900℃       0～1100℃          0～1300℃

S

S graduated thermocouple

1.5℃± or ±0.25. |t|

 0～1300℃              0～1600℃

Need A class thermal resistance, I class thermocouple order indicated. *
Provide: double core sensor, Pt1000 thermal resistance, N、B、T、J、E indexing thermocouple.