Optidew Vision Precision Dew-Point Meter

This state-of-the-art digital dew-point transmitter with its chilled mirror technology gives Optidew Vision the combination of highest performance with a fundamental measurement, maximum flexibility and low cost of ownership.


Product Features

  • Fundamental drift free dew-point measurement
  • Measurement Range: <0.5 to 100%RH from -40 to +90°C ambient
    (-40 to +194°F)
  • ±0.2°Cdp (±0.36°Fdp) accuracy. Optional higher accuracy available
  • High temperature sensor option to +130°C (+266°F)
  • Rugged, NEMA-12 bench-top housing
  • Display and output of multiple engineering units
  • High pressure sensor option to 25 MPa (250 barg/3626 psig)
  • Free application software
Optidew Vision

More Information

Technical Specification

Performance
Measurement range
      1-stage
      2-stage
      High temperature

-30 to +90°Cdp (-22 to +194°Fdp) at sensor temperature of 20°C
-40 to +90°Cdp (-40 to +194°Fdp)at sensor temperature of 20°C
-20 to +130°Cdp (-4 to +266°Fdp)at sensor temperature of 20°C
Measurement accuracy ±0.2°Cdp (±0.36°Fdp)
±0.1°C temperature (±0.18°F)
±0.15°Cdp accuracy optional (±0.27°Fdp)
Measurement units °C, °F dew point; %RH; °C, °F temperature;
g/m3; g/kg; aw; Δ (t - t dew point)
Response speed 1°C/sec (1.8°F/sec) plus settling time (dew point dependant)
Power supply 85 to 264 VAC, 47/440 Hz
Dew-Point Sensor
Mirror options Gold plated copper
Solid gold
316 stainless steel - high temp sensor
Temperature measurement 4-wire Pt100 1/3 DIN class B
Sample flow rate 0.1 to 2 Nl/min (0.2 to 4 scfh) in sampling block
Max velocity 10 m/sec (1950 ft/min) direct insertion
30 m/sec (5900 ft/min) with sintered guard
Pressure 2 MPa (20 barg/290 psig)
25 MPa (250 barg/3626 psig) optional
Ingress protection IP66 300 psi sensor (NEMA 4)
IP65 3500 psi sensor (NEMA 12)
Cable length 2m (6.5ft) Maximum 30m (98ft)
Remote PRT
Temperature measurement 4-wire Pt100 1/10 DIN class B
Cable length 2m (6.5ft) Maximum 30m (98ft)
Transmitter Electronics
Resolution 0.1 for °C, °F and %RH
0.01 for g/m3 and g/kg
Outputs
      Analog
      Digital
      Alarm

Two channels 0/4-20 mA
RS232 (RS485 optional)
Volt free contact, 2A @ 30 VDC
Status LEDs Power on, DCC and alarm status
Operating temperature -20 to +50°C ambient (-4 to +122°F)
Enclosure Standing case with carry handle. Panel mounting kit optional
Ingress protection IP54 (NEMA 2)
Cable pack Power and RS232 cables

Applications

Automotive Power Generation Metrology Research & Development

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