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Optica - Chilled Mirror Hygrometer

Optica - Chilled Mirror Hygrometer

 

The Optica Hygrometer offers precision dew point measurement. Precisely controlled by GE's chilled mirror sensing technology - providing NIST traceable humidity,temperature and pressure measurement anywhere via the worldwide intranet.

 

The Optica Hygrometer measures dew point temperature by regulating the temperature of a polished metal mirror by the use of optical feedback such that a constant mass of dew or frost is maintained. The temperature of the mirror is measured with a precise PRTD and is by definition equal to the dew or frost point.

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Features

  • Simultaneously measure and display dew point, temperature, and pressure
  • Display any humidity parameter
  • Ethernet ready, so you can access GE Optica hygrometers via the Internet for remote monitoring applications
  • Data logger function lets you record & upload weeks of data
  • Primary NIST Traceable Humidity Transfer Standard
  • Accuracy to +/- 0.15°C

 

Applications

  • Calibration labs
  • Process control
  • Clean rooms
  • Environmental test chambers
  • Precision HVAC monitoring and control
  • Fuel cells
  • Heat exchanger and refrigerant coil calorimeters
  • Thermal processing/heat treating
  • Semiconductor manufacturing
  • Storage areas
  • Pharmaceutical validation chambers
  • Engine test cells and emissions testing
  • Aircraft engines and turbines

Specifications

Power 95 to 265 VAC, 50/60 Hz, 200 watts
Electrical I/O IEC-style AC receptacle (bench mount), screw terminal block (wall mount), multipin chilled mirror and
temperature sensor/cable connectors, screw terminals for analog outputs, DB-9 for RS232 and 10 base-T for Ethernet
Measured Parameters Dew point, temperature and 4 to 20 mA/0 to 5 VDC
Calculated Parameters Relative humidity, wet bulb, mass mixing ratio, volumetric mixing ratio, absolute humidity, water vapor pressure and enthalpy in English and metric units, as well as userconfi gured units
Inputs 1/3 Class A DIN 43760, 100 Ω RTD and dew/frost point and dry bulb temperature. Loop powered 4 to 20 mA DC at 500 Ω maximum load
Process Dew/Frost Point1 Process or equivalent dew point/frost point by calculation with process pressure signal (4-20 mA) or constant
Range Governed by sensor
Hystersis Negligible
Sensitivity 0.1% FS
A/D 16 bit
Data Logger Memory 6 megabytes
Display 1/4 color VGA enables up to six parameters to be displayed
Operating Temperature 32°F to 122°F (0°C to 50°C)
Cooling Rate 0.27°F (1.5°C )/sec typical above 32°F (0°C)
Digital Interface -RS232 port, Ethernet port*
Digital Output Format Data ASCII text, Ethernet java applet password
protected*
Weight Benchtop: 8 lb (3.6 kg)
Wall Mount: 10 lb (4.5 kg)

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Optica - Chilled Mirror Hygrometer Operating Manual acrobat-reader
Optica, the Next Generation Humidity Reference Standard Datasheet acrobat-reader acrobat-reader acrobat-reader acrobat-reader acrobat-reader acrobat-reader


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