Modbus Indoor Combination Sensor for Relative Humidity and Temperature ANDRFFT/R-MD/S is for measuring the relative humidity and / or temperature in living and office spaces, reception halls, foyers, etc.
The measuring transducer records the temperature and humidity via an internal sensor and converts the value into a standardized analog output signal in the range between 0-10V / 4-20 mA.
Additional options for sensor ANDRFFT/R-MD/S (surcharges):
- passive potentiometer,
- active potentiometer,
- relay.
- Additional possible sensors: VOC sensor (ppm) and / or CO2 sensor (ppm),
- LED indicator or LCD display for measured values – tempetarure, humidity (optional CO2 or VOC).
Alternative sensor versions:
Product number
Product number: ANDRFFT/R-MD/S
Technical Specifications
| Power supply: | 12 … .34 VAC/VDC |
| Sensor element (humidity): | Capacitive sensor |
| Sensor element (temperature): | Capacitive sensor |
| Sensor element temperature passive (opt): | several options (NTC, PTC …) |
| Measuring range of humidity: | 0…100% r.h. |
| Output Humidity: | 0…10V or 4…20mA |
| Tolerance Humidity 35% … 70% r.h.: | ± 2% (25…90% r.H.) |
| Measuring ranges temperature: | See table |
| Active output signal temperature | 0…10V or 4…20mA |
| Temperature tolerance: | ± 0,5K |
| Load at analog 0-10 V output: | 10…100 kOhm |
| Analog output burden (4 … 20 mA): | 300…1000 Ohm |
| Operating temperature: | -30°C … +50°C |
| Operating range: | 0…98% r. h. |
| Response time (r.h.): | 8 Sec. (63% at condensation) |
| Connection: | Screw clamps 1,5 mm² |
| Housing: | Material ABS, Colour RAL 9010 |
| Measurements housing: | 87,5 x 87,5 x 30 mm 3.4 x 3.4 x 1.2 in |
| Protection class: | IP30 |
Datasheet ANDRFFT/R-MD/S
Additional info for Modbus RS485 Temperature Humidity Sensor
| 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: | IP30 |
| Sensor: | Indoor Humidity Sensor |
Versions of RS485 Modbus Temperature Humidity Sensor
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