Description

The RST Temperature Room Sensors, designed to be used across residential, public, commercial, and light industrial settings. These sensors offer digital RS485 BACnet MS/TP, Modbus RTU & analog outputs. Various thermistor outputs available.

Versatile Outputs: Delivering 1x 0-10V analog signal for Temperature (°C or °F), alongside digital RS-485 communication supporting Modbus RTU or BACnet MS/TP protocols.
Robust Construction: Designed for straightforward wall mounting with a 1/2” DIA rear entry and snap-offs for side trunking, encased in a durable ABS UL Flame retardant housing, assuring longevity and safety in diverse environments.
Flexible Power Options: Compatible with 12-24V AC/DC or 230VAC electrical systems.
Optimal Performance: Exhibiting rapid response times, quick warm-up periods, and excellent long-term stability, with minimal interference, guaranteeing accurate readings and consistent operation over time.

TECHNICAL SPECIFICATION
MECHANICAL		ELECTRICAL
Mounting	Wall Mounted	24V AC/DC Power Rating	12-24VDC (11-32VDC) / 24VAC (20-27VAC) 50-60Hz
Entry	1” / 25.4mm DIA Rear Entry	230VAC Power Rating	Nominal 230VAC (90-250V AC) 50-60Hz
Size (W x H x D)	86 x 114 x 35mm (Low Profile RS – 86 x 114 x 25mm)	Internal Fuse	Resettable PPTC 240VAC, 400mA
Weight (Max)	0.164Kg max	Communication	127 units max
Enclosure	ABS UL Flame Retardant – IP40	Power Consumption	Max 2.5W
ENVIRONMENTAL		I/Os
Operating Temperature	-10 to 50°C	Analog Outputs	3x Linear 0-10V/2-10V CO2, Temperature & Humidity, Thermistor (10K3)
Storage	10-30°C / 0 to 95% RH	Digital Networks	BACnet MS/TP / MODBUS RTU (Parity: None, Data bit: 8bit, Stop bit: 1)
Humidity	0 to 95% RH (continuous) non-condensing	Relay Outputs	1x SPST 70mA, 30V
Atmospheric Pressure	80 to 110Pa	Thermistor	10K3A1B (Alternative thermistors available)
Altitude	<2000m
Installation Cat (230V Voltage)	II (Class 2) Pollution Degree 2
Installation Cat (24V Voltage)	III (Class 3) Pollution Degree 2
CABLE SPEC		USER INTERFACE
Power	1.0 – 2.5mm² max	Language	English
Analog Output	1.0 – 2.5mm² max	Optional Display	2.8” TFT
Digital Output	1.0 – 2.5mm² twisted pair + ground, shielded cable with 120Ω characteristic impedance	Optional LED Indication	Green: Power (OK) Yellow: Warning (Pre-Alarm) Red: Danger (Alarm)
Relays	1.0 – 2.5mm² max
CONFORMANCE
Safety	BS 61010-1 (CE / UKCA)	Electromagnetic Compatibility	BS 50270 (CE / UKCA)
Other (Applied or Considered)	IGEM/UP/11, BS 50543