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Thermokon · Room sensor
RDF18+ active
Ceiling mounted temperature and humidity sensor with a 30 mm head, for museums, showrooms and other discreet installations.
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Part number659031
- Quotes answered within 24 hours, no account needed
- DHL, under 15 kg £13.50 ex VAT
- Technical support from the people who commission it
Specification
Electrical
- Power supply
- 15 to 24 V DC ±10% or 24 V AC ±10%, SELV
- Power consumption
- Typ. 0.4 W, max. 1 W (24 V DC); 0.8 VA (24 V AC)
Environment
- Operating temperature
- -35 to +70 °C
- Humidity
- Max. 85% rH, short term condensation
- Protection
- Sensor head IP30, enclosure IP65 IP rating
Performance
- Output signal
- 2 x 0 to 10 V or 0 to 5 V (min. load 5 kΩ), or 2 x 4 to 20 mA (max. load 500 Ω), by part
- Measuring range
- Humidity 0 to 100% rH; temperature output default -20 to +80 °C, selectable
- Accuracy
- Temperature ±0.3 K (typ. at 21 °C), humidity ±2% (10 to 90% rH)
- Outputs
- 2 x floating NO contact, 24 V AC or DC, 3 A (where fitted)
Physical
- Housing material
- ABS head; PC USE-M enclosure
- Cable length
- 3.15 m flat ribbon cable
- Mounting
- Facet mounting in the ceiling
Part numbers
From the manufacturer's datasheet for RDF18+ active.
Overview
The RDF18+ is a ceiling sensor for relative humidity and temperature, made to be fitted into ceiling slabs or hollow walls without being noticeable. It is designed for museums and showrooms, where the readings sent to the BMS help keep the climate comfortable and prevent mould. The 30 mm sensor head is on a 3.15 m flat ribbon cable that can be separated at an RJ12 plug, and the electronics sit in a USE-M enclosure. Humidity can also be output as absolute humidity, enthalpy or dew point.