RM33 & 52

 Relative Humidity and Temperature Transmitter, HVAC Room Mount
The RM series of relative humidity and temperature transmitters offers a comprehensive range of output signals and measurement ranges. The transmitters are housed in a wall mounting enclosure making this instrument ideal for the HVAC and building management applications.







Product Features

  • Elegant housing
  • Temperature XMTR or Pt100 / Pt1000 output
  • Available with current or voltage output signals
  • Long term stability: ±1% RH over 12 months
  • Quick installation: electrical rear connection with screw terminals
RM33 & 52

Technical Specification
PERFORMANCE
Measurement Range (RH) 0-100% RH
Measurement Range (T) 0 to +100°C, -20 to +80°C, 0 to +50°C, Pt100, Pt1000
Accuracy RH @ 23°C RM52: <±2% RH (10 – 90% RH)
RM33: <±3% RH (30 – 80% RH)
Accuracy T @ 23°C RM52: ±0.2°C (-10 to +50°C)
RM33: ±0.3°C (+5 to +40°C)
Temperature Influence ±0.05% RH/°C
Stability - RH Sensor <±1% RH/year
Response Time - RH Sensor <10 sec typical (for 90% of the step change)
ELECTRICAL INPUT/OUTPUT
Output Signal 4–20 mA (2-wires)
0–1 V, 0–5 V, 0–10 V
Supply Voltage 14–35 VDC (for 0–5/10 VDC)
4.5–35 VDC (for 0–1 VDC) and
14–26 VAC
Supply Voltage Influence ±0.01% RH/V typical
OPERATING CONDITIONS
Operating Temperature Electronics: 0 to +50°C
Storage: -40 to +75°C
Operating Humidity Probe: 10-90% RH
Housing: 10-90% RH
Storage: 10-90% RH
PRT
Measurement Range Pt100/1000 -50 to +200°C
Accuracy Pt100/1000 ±0.15%
MECHANICAL SPECIFICATIONS
Ingress Protection Sensor N/A
Housing Material White plastic
Filter N/A
Dimensions 91 x 91 x 25.5 mm
Weight 85g
Electrical Connections Screw terminals