PF211 HVAC Relative Humidity Probe

PF211 relative humidity probes are equipped with the Hygrosmart relative humidity sensor/converter. This interchangeable module has miniaturized electronics and does not require recalibration.








Product Features

  • Designed for HVAC and Environmental Control applications
  • Based on the interchangeable Hygrosmart module
PF211

Technical Specification

Performance
Measurement Range (RH) 0-100% RH
Measurement Range (T) -30 to +70°C
Accuracy at 23°C
Humidity
<±2% RH (5–95% RH)
Accuracy at 23°C
Temperature
±0.2°C
Stability – RH Sensor <±1% RH/year
Response Time - RH Sensor <10 sec typical (for 90% of the step change)
Electrical output/input
Output Signal (RH) 4–20mA, 0–10 V
Output Signal (T) 3-wire 1/3 DIN Pt100 direct
Supply Voltage 10–32 V DC for 4–20 mA output
15–32 V DC for 0–10 V output
24 V AC ±10% (PF211B)
Load Resistance Output 4–20 mA: Rload < (Uv-9)/0.02
Output 0–10 V: R > 1KΩ
Current Consumption 20 mA max
Operating conditions
Operating Temperature
Probe, Housing, Storage
-30 to +70°C
Mechanical specification
Ingress Protection IP54
Housing Material ABS
Dimensions L=175mm, ø19mm
Weight 184g
Electrical Connections 5 or 6 wire output cable, 3m