Air Duct Temperature Transmitter 304 Stainless Steel IP54 For Air-conditioning Systems Kaidi KD-CWDZ81

CWDZ81 series temperature transmitter products use PT100 as signal measuring element, and through computer automatic test, with laser resistance control technology for a wide range of zero and sensitivity temperature compensation. The amplifier circuit converts the sensor signal to the standard output signal, giving full play to the technical advantages of the sensor, so that CWDZ81 series temperature transmitter has excellent performance. It is anti-interference, overload, small temperature drift, high stability, with a high measurement accuracy, is an ideal temperature measuring instrument in the field of industrial automation.

▲ Measurement of duct temperature in ventilation ducts and air-conditioning systems 

a)Wide voltage power supply, nonlinear correction, high precision

b)Small size, light weight, easy installation

c)Lightning protection, cut-off frequency interference design, strong anti-interference ability

d)Wiring reverse and over-voltage protection, current limiting protection  

Measuring medium: gas

Protective tube material:304 stainless steel(contact)  

Slider flange:ABS engineering plastic (contact)

Shell:ABS engineering plastic

Overall weight:150g

Measuring range:-50℃~100℃

Supply voltage:12~36VDC

Output signal:4~20mA/RS485(Standard Modbus-RTU protocol)

Measuring accuracy:0.5%FS

Ambient temperature:-40~85℃

Stable performance:±0.1%FS/year

Protection grade : IP54

Working conditions: ambient temperature(-40~85℃)

                                ambient humidity(0%~95%RH)

Response time:18S(Comply with IEC60751, 0.4/S wind speed, 10℃ step)

Maximum power: current type(≤0.02Us (W))

 digital type(≤0.015Us (W))

 Note: Us=supply voltage  

Load characteristics:current load≤{(Us-9)/0.02(Us=Supply voltage)}Ω