Modbus Dew Point Sensor Monitor ANDTPWEXT-MD measures the relative humidity on pipes, cooling ceilings, or other surfaces through a Modbus connection. The sensors can be connected to a variety of PLC or DDC controllers. The device also features a changeover contact for which the limiting value can be adjusted between 75 and 100 % r.h. with the help of a potentiometer. This way the respective signal can be transferred to the control/DDC when condensation is forming in order to activate the respective actuators.
Variations:
- dew point sensor on casing or connected to a flexible external silicon cable (2m)
- With or without LED display indicating measured values.
Alternative sensor versions:
- Standard Dew Point Monitor ANDTPW / ANDTPWEXT.
Product number
Product number: ANDTPWEXT-MD
Technical specification
Power supply: | 20 … .34 VAC/VDC |
Electrical connection: | Screw clamp 1.5 mm² |
Sensor: | Digital combination sensor for humidity and temperature |
Measuring range for continuous output: | 0…100% r. h. |
Measuring range for switching output (adjustable): | 85…95% r. h. |
Switching output: | Potential free (changeover) 60 V / DC 1A |
Housing:: | Material PA6, Colour RAL 9011 |
Length supply cord: | 2.0 meters Silicone up to 180 °C |
Measurements housing: | 75 x 69 x 44 mm |
Cable inlet: | M16x1.5 |
Protection class: | IP65 |
Admissible ambient temperature: | -30…+70°C |
Admissible ambient humidity: | max. 95 %, non-condensing |
Optional: | Display |
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Datasheet ANDTPWEXT-MD
Additional info for Modbus Dew Point Sensor ANDTPWEXT-MD
Protocol: | Modbus (ASCII/RTU), RS485 |
Power supply: | 12-34 VAC/VDC |
Dimensions: | 75 x 69 x 44 mm |
Housing: | PA6, Color RAL 9011 |
Protection class: | IP65 |
Sensor: | Dew Point Sensor |
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