SF52

 Dew-point Transmitter
The SF52 dew-point transmitter from Michell Instruments can provide 4–20 mA or voltage signal for either dew point or absolute humidity with excellent accuracy and linearity. The robust housing, together with an operating pressure of up to 20 barg / 300 psi, makes the SF52 ideal for many dew-point and moisture measurement applications.






Product Features

  • Designed for OEM applications
  • Dew-point or Absolute humidity output
  • Flush fitting filter disc for minimal flow disturbance
  • Excellent linearity and temperature compensation
 SF52

Technical Specification
Performance
Measurement Range (dew point) -40 to +60°C / -40 to +140°F, dewpoint temperature
Measurement Range (absolute humidity) 0 to 200 g/m3 / 0 to 87.4 gr/ft3
Accuracy (dew point) <±2°C (-20 to +60°C)
<±3.6°F (-4 to +140°F)
Accuracy (absolute humidity) 0.4 to 3 g/m3 / 0.175 to 1.311 gr/ft3 on value of absolute humidity
Stability <1°C/year (1.8°F/year)
Response Time <10 sec typical (for 90% of the step change)
Electrical output/input
Output Signal 0–1, 0–5, 0–10 V or 4–20mA
Supply Voltage 8-30 VDC (14-30 VDC for 0–10 V output)
Supply Voltage Influence ±0.005% RH/V
Current Consumption 9 mA + load current
Supply voltage influence ±0.005 % RH/V
Operating conditions
Operating Temperature
Probe, Housing, Storage		 0–95% RH (non-condensing)
Operating Humidity
Probe, Housing
Storage
-30 to +85°C / -22 to +185°F
-40 to +85°C / -40 to +185°F
Operating Pressure 20 barg / 300 psi maximum
Temperature Coefficient Temperature compensated across operating temperature range
Mechanical specification
Ingress Protection IP65
Housing Material Nickel-coated brass
Dimensions L=85mm, ø24mm / L=3.34", ø0.94" (max)
Filter HDPE front filter
Weight 320g / 11.29oz
Mechanical Connections G1/2" BSP (DIN ISO 228) or 1/2" NPT
Cable 2m / 6.5'