RDF18+
RDF18+ temp_rH RS485 Modbus
Ceiling sensor, Room sensor temperature, relative humidity, absolute humidity, enthalpy, dew point | RS485 Modbus, 0..5 V, 0..10 V | -35..+70 °C
0..100% rH non-condensing, 0..85 KJ/kg enthalpy, 0..50 | 0..80 g/m³ absolute humidity, 0..+50 | -20..+80 °C dew point, optionally configurable
| Application/type | Ceiling sensor, Room sensor |
|---|---|
| Purpose | Measure values |
| Measured values | temperature, relative humidity, absolute humidity, enthalpy, dew point |
| Interface | RS485 Modbus, 0..5 V, 0..10 V |
| Configuration | USEapp, uConfig, BUS, jumper, DIP switches |
| Output voltage | 2x 0..10 V or 0..5 V, adjustable via jumper, live-zero configuration via app or uConfig, min. load 10 kΩ |
| Network technology | RS485 Modbus |
| Data transmission | RTU, half-duplex, baud rate 9.600, 19.200, 38.400 or 57.600, parity: none (2 stop bits), even or odd (1 stop bit) |
| Operating range temperature (°C) | -35..+70 |
| Operating ranges temperature (°C) | -35..+70 |
| Output signal temperature | scaling analogue output, -20..+80 °C (default setting), selectable from 4 temperature ranges -40..+60 | 0..+50 | -20..+80 | -15..+35 °C, optionally configurable via app or uConfig |
| Operating range humidity | max. 85% rH short term condensation |
| Accuracy temperature | ±0,3 K (typ. at 21 °C), within default measuring range, offset setting via app or uConfig |
| Measuring range humidity | 0..100% rH non-condensing, 0..85 KJ/kg enthalpy, 0..50 | 0..80 g/m³ absolute humidity, 0..+50 | -20..+80 °C dew point, optionally configurable |
| Accuracy humidity | ±2% between 10..90% rH (typ. at 21 °C), offset setting via app or uConfig |
| Power supply | 15..35 V = SELV, 19..29 V ~ SELV |
| Power consumption | typ. 0,4 W (24 V =), 0,8 VA (24 V ~) |
| Material in touch with media | Sensor head, Ø=30 mm, ABS, white |
| Enclosure | USE-M, impact- and shock-resistant enclosure with quick-release cover, PC |
| Colour | pure white |
| Protection (IP) | IP30, enclosure IP65, according to EN 60529 |
| Connection | removable cable entry M25 with fourfold cable entry for wire with max. Ø=7 mm, removable plug-in terminal, max. 2,5 mm², BUS max. 1,5 mm² |
| Connection cable | flat ribbon cable, for mounting 15 mm from the sensor head, separable by means of RJ12 socket and plug, black |
| Length connection wire (m) | 3,15 |
| Mounting | facet mounting |
| Delivery content | incl. mounting base enclosure USE-M pure white, incl. mounting set (screws and accessories) |
| Packaging length (mm) | 174 |
| Packaging width (mm) | 91 |
| Packaging height (mm) | 87 |
| Packaging | case packaging |
| Device length (mm) | 85 |
| Device width (mm) | 84 |
| Device height (mm) | 45 |