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OptiSonde - Chilled Mirror Hygrometer

OptiSonde - Chilled Mirror Hygrometer

The OptiSonde Hygrometer offers precision humidity and temperature measurement. GE's proven chilled mirror sensing technology provides data which is traceable to global metrology and standards laboratories.

The OptiSonde chilled mirror hygrometer is a humidity transfer standard available in benchtop or wall mounted configurations. These compact rugged analyzers are connected to either a single or two-stage chilled mirror sensor and PRTD. Chilled mirrors are the humidity sensors of choice when laboratory and process measurements require high precision without long-term drift.

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Features

  • Compact and rugged design for easy installation and durability
  • Built-in data logger provides ability to record historical data
  • Sensor conveniently plugs into wall mount chassis for facility monitoring, eliminating the need to run cable
  • Sensors may be connected up to 91 m away via cable for remote monitoring
  • Displays and transmits in a variety of parameters, such as dew point, relative humidity, dry bulb, wet bulb, absolute h umidity, volume ratio, and mass ratio, offering flexibility during operation
  • Digital (RS-232) interface for data integrity
  • PanaViewTM software transfers data from the meter to a PC for additional storage and enables data to be viewed graphically
  • Easy to configure using the front panel for simple operation
  • Humidity measurements are traceable to National Institute of Standards and Traceability (NIST)

 

Applications

  • Environmental test chambers
  • Engine test cells
  • Clean rooms
  • Air conditioning and heat exchange coil testing
  • Metrology labs

 

Specifications

Power • 100 - 240 VAC, 50 to 60 Hz, 60 Watts
• 18-32 VDC (bench top only)
Enclosure Material • Wall mount: Cast aluminum
• Bench top: Aluminum body with plastic front bezel
Dimensions • Wall mount: 26.6 x 20.8 x 11.4 cm (h x w x d)
• Bench top: 9.4 x 20.3 x 22.4 cm (h x w x d)
Weight • Wall mount: 2.4 kg
• Bench mount: 1.4 kg
Ingress Protection Rating • Wall mount: IP-65
• Bench top: IP-20
Front Panel Keys • Rubber function keys—may be locked out via software
Dew Point Range Dependent on sensor used
Dew Point Accuracy ± 0.2°C dew/frost point
Dew Point Repeatability 0.1°C
Other Humidity Parameters The range and accuracy of absolute humidity (mH20/v) and relative humidity (e/esat) readings are based on the fundamental dew point and temperature measurements. The range and accuracy of mass (ppmw) and volume (ppmv) ratios are calculated based on the fundamental dew point measurement and pressure and gas molecular weight constants.
Temperature Accuracy ±0.15°C
Repeatability 0.05°C
Display Two simultaneous parameters with 0.01°C resolution.
“Dew Layer Thickness,” “Control,” “Alarm” and “Service”
indicators
Analog Output Two linear simultaneous parameters. 0/4 to 20 mA
(isolated) with 250Ω max load
Alarm Form C (SPDT) 7 amp, 30 VDC (resistive load)
Digital Interface RS-232
Cooling Slew Rate 1.5°C/sec
Self Cleaning and Balancing Via patented PACER cycle. PACER may be programmed to
run on an elapsed time or daily timer
Operating Temperature Analyzer: -10°C to 60°C
Data Logger Capable of recording eight parameters, time and date for
a minimum of 100 days at sample rate of one second.
Operating Humidity 0 to 95% RH non-condensing
Electrical I/O Power: AC IEC receptacle for bench top and screw
terminal blocks for wall mount. Chilled mirror sensor:
keyed connector/cable. Temperature sensor, keyed
connector/cable. RS-232: SUB-D-9. Analog Outputs: screw
terminals

Download



Descriptions English Français
OptiSonde - Chilled Mirror Hygrometer Operating Manual acrobat-reader acrobat-reader
Optisonde - General Eastern Chilled Mirror Hygrometer (US version) (164KB PDF) acrobat-reader


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