WMT180D temperature transmitter module is a temperature transmitter unit which can be on-site installed on DIN rail. It adopts two-wire output of 4～20mADC or user specified which have been already extensively applied in the petroleum, chemistry industry, metallurgy, electric power, textile industry, food processing etc.

WMT180D temperature transmitter module is a smart transmitter module with high precision and high stability. It is compatible with more than ten types of thermocouple and thermal resistance signal transducers. This product USES 24 Σ - delta sampling chip, ensures high precision measurement. Anti-surge and anti-reverse connection design avoid mis-installation and mis-operation in engineering installation and enhanced software safety design is adopted to ensure long service life and stability.

Features

Floating self-adjustment circuit

Sole anti-interruption circuit

High accuracy cold end compensation circuit

Anti-corrosive case, high reliability

Intelligent, digital, and on-site programmable

Design of a 16 bit high-precision acquisition chip

12.5mm/17.5mm ultra-thin thickness, convenient for dense installation

Standard DIN35mm guide rail installation

Technical Parameters

Accuracy: RTD±0.2%，Thermocouple±0.5%

Humidity: ≤ 95% RH

Compensation: 0-60℃

Stability: ＜2%/F.S/year

Temperature drift: ≤ 50ppm/℃ (-20~+60 ℃)

Input impedance: current ≤ 60 Ω; Voltage ≥ 1M Ω

Load capacity: current ≤ 500 Ω; Voltage ≥ 1M Ω

Response time: ≤ 0.5 S

Dielectric strength: ≥ 1500V AC (between input/output/power supply, leakage current 1mA, test time 1min)

Electromagnetic compatibility: Comply with the requirements of IEC61000-4-4:1995 for Class III industrial site electromagnetic interference resistance

Power supply: 20-30V DC

Power consumption: 0.9W~1.8W (depending on the model);

Working temperature: -20~+60 ℃

Input signal:

Thermal resistor: PT100, PT1000, PT500, CU50, CU100, NI100, CNO500, NI100

Thermocouple: B, E, J, K, N, R, S, T

Output signal: 4-20mA; 0-10mA: 0-20mA: 1-5V: 0-5V: 0-10V; RS485; HART