Features
● Aluminum alloy casing for harsh environments.
● Direct key operation for temperature/humidity adjustment, RS-485 settings, and unit switching.
● High-accuracy temperature and humidity measurement with fast response and quick recovery after condensation.
● Multiple units switchable: %RH, °C, mbar, g/kg, g/m³, kJ/kg, absolute humidity.
● RS-485 communication for configuring measurement units, ranges, output type, and station address.
● DATA LOG function capable of recording up to 65,535 entries for analysis.
● Measures extremely low humidity, down to 0.1% RH.
● Direct key operation for temperature/humidity adjustment, RS-485 settings, and unit switching.
● High-accuracy temperature and humidity measurement with fast response and quick recovery after condensation.
● Multiple units switchable: %RH, °C, mbar, g/kg, g/m³, kJ/kg, absolute humidity.
● RS-485 communication for configuring measurement units, ranges, output type, and station address.
● DATA LOG function capable of recording up to 65,535 entries for analysis.
● Measures extremely low humidity, down to 0.1% RH.
Applications
Semiconductor / Electronics / Chemical industry / Pharmaceutical / Steel industry / Biotechnology industry /
Industrial process monitoring / Air conditioning / Cleanrooms / Laboratories / Weather stations / Hospitals /
Buildings / Dryers / Factories / Storage rooms / Environmental ventilation control / Environmental test chambers
/ Greenhouses
Specification
Input |
|
Signal type |
Capacitive humidity sensor & Pt100 Class A |
Measuring range |
Wall type：-40°C ... +80°C |
Output |
|
Output |
4 ... 20 mA / 0 ... 10 V / RS-485 / NPN / PNP |
Signal connection |
3-wire |
Warm-up time |
< 30 sec |
Response time (at 25°C) |
t90≦ 20 sec (S.S. Metal grid filter with mesh) |
Load resistance |
Current output：≦500 Ω |
Output calibration (Adjustment range) |
Software / Button |
Accuracy |
|
Temperature |
±0.1°C±0.002°C×tactual |
Humidity (0 ... 90%) |
Nonlinear error：±1%RH |
Humidity (90 ... 100%) |
±2%RH |
Temp. influence |
0.05%RH/°C |
Communication |
|
Comm. Interface & Protocol |
RS-485 Modbus RTU |
RS-485 Baud Rate |
9600、19200、38400、57600、115200 bps |
Environmental |
|
Measuring medium |
Air |
Temp. Operating (Housing) |
-20 ... +60°C |
Storage temperature |
-20 ... +60°C |
Probe pressure resistance |
4 bar |
Display unit |
°C / %RH / dp°C / AH% |
Electrical |
|
Power supply |
DC 24 V±10% |
Current consumption |
DC 24 V：60 mA |
Electrical connection |
M12 8P connector |
Installation |
|
Installation |
Wall / Remote |
Display |
|
Display readout |
Temperature/Humidity (initial value setting) |
Decimal point |
Button |
Sampling time |
1 cycle/sec |
Unit selection |
Temperature(T) / Humidity(H) / Dew Point(D) / Frost Point(F) / Wet-bulb Temperature(W) / |
Response time |
0 ... 100 |
Certification |
|
Certification |
CE |
Protection |
|
IP rating |
IP65 (Body) |
Electrical protection |
■ Reverse polarity ■ Over-voltage |
Material |
|
Housing |
Aluminum alloy |
Probe |
Stainless steel |
Remote probe cable |
TEFLON |
Weight |
THM501：170 g THM503：370 g |
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Note : Design and specifications are subject to change without notice.
Note : Please make sure the product and the device which connect with RS-485 are on common ground, avoid damaged product.