6740 Series
The 6740 Series incorporates a ±1% maintenance free humidity
probe ideal for checking humidity measurements for validation
of critical environments. Its rugged, compact and protected
by a waterproof aluminum housing. The accuracy of this
probe has been tested and proven time and again in worldwide
laboratory tests. The probe is equipped with a patented capacitive
polymer %RH sensor.
Benefits
Maximum reliability
- Long-term stability
- Demonstrably correct indication of measurement ranges
and data
- Highest manufacturing quality
Calculation of the most important trace humidity variables
- e.g. °Ctpd, °Ctd atmospheric, ppmv
Calculation protocol
Convenient operation
- Via the display menu without additional aids
- Without display via the internal interface and scaling
adapter software
- Local 1-point calibration
- Easy adjustment of limit values
Applications
Continuous monitoring of
Check drying efficiency in
refrigeration and desiccant
compressed air dryers to -60°C
Check dew point in process,
control and compressed air
Check condensate deposit in
refrigeration dryers
Monitors desiccant dryers
Monitors blow-by in liquid ring
compressors
Humidity Monitoring in Compressed Air
6740 Series
Model 6744 with display
Model 6742 without display
6740 Specifications
Dew Point Range: -60 to 30°C (-76 to 86°F )
Pressure Range: -1.0 to 50 bar (0-700 psia)
Accuracy: ±2°C at -5°C (typically)
Interface Output: 4 to 20 mA (electrically isolated)
Power Supply: 24 VDC ±10%
Application Temperature: 0 to 50°C ( 32 to 122°F )
Storage Temperature: -20 to 70°C (- 4 to 158°F )
Mechanical Connection: 1/2” NPT, stainless steel
screw-in thread
Electrical Connections: Flange plug/coupler socket
M12 x 1
Calibration: Via 4 internal buttons
Protection Class: IP65
CE: Confirms with EN 50081-2, EN 50082-2
Housing Dimensions: Length 7.5”
Height 1.75”
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