iQdata RMS smoke - hum. - temp. probe, combination sensor for monitoring temperature, relative humidity and fire in a network cabinet or server room. The connection is made via a free CAN port. , Suitable for: RMS442 and RMS842+, Connection: on a CAN port, Cascadable: Yes, Auto-Sense: No, Extendable: up to 225m smoke detector chain, Area of application: In-house, Ambient temp.: -40.. +125 degrees C, at 5%.. 95% rel.H nc, Measuring range: 0.. 95% RH - accuracy: +/-3%, -10.. +85 degrees C - accuracy: +/-1 degree C, Dimensions: diameter 100mm x 45mm, Status indication: LED red/green , Scope of delivery:, 1x combination sensor, 1x RJ11 connection cable, 1x mounting material