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HSS VPF-710 Visibility Sensor

Is suitable for use in any system where a digital output to a computer or logger is required.

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Features

Measures visibility and fog density.
 
Proven accuracy, reliability and repeatability.
 
Minimal maintenance requirements and running costs.

Data Output

Visibility Sensor is configured with RS-232C signal output as standard with RS-422 communications available as an option. The data is output in various ASCII data strings, such as a small compressed data string.

Construction

Visibility Sensor is a single lightweight unit and can easily be installed by one person.The sensor is constructed of dip brazed high grade aluminium.

Maintenance and calibration

The Visibility Sensor is fully calibrated at the time of manufacture. Routine maintenance, including a check on calibrations, can be performed easily by one person in a matter of a few minutes and a re-calibration takes only slightly longer.
 

Operation in temperature extremes

The Visibility Sensor operates in temperatures ranging from -50º C to +60º C. For operation below -32º C the heated version is recommended.

Visibility senzor system

The Visibility Sensor is also supplied with a stainless steel mounting kit.

More information on: http://www.biral.com/meteorological-sensors/visibility-and-present-weather

Visibility range Standard 10m to 75km
Other ranges available at time of order 10m-2km, 10m-20km, 10m-32km, 10m-50km
Visibility error <=1.3% at 600m
<=1.8% at 1500m
<=2.0% at 2km
<=8.3% at 15km
<=10.5% at 30km
Measurement principle forward scatter meter with 39° to 51° angle
Output data rate         serial 10 to 300sec (selectable)
Serial outputs   RS232 as standard
RS422/RS485 as an option
Sensor power

12VDC, 24VDC, 120VAC, 240VAC
Hood heating power sensor 6W
hood heaters 30W
Operating temperature -50° to +60°
Operating humidity 0 - 100%RH
Protection rating IP66
Material  Hard coat anodised, dip brazed alluminium 
Weight 4.9kg DC sensors
6.1kg AC sensors 
Lenght 751mm
Lifetime >10 years
User confidence check 6 month recommended
Window cleaning automatic compensation and warnings
Field calibration    with optional calibration kit
Included with sensor pole mounting kit (1 x U-bolt), 6m power and data cables, user manual and calibration certificates
Accessories (optional) alternative lengths power and data cable, calibration kit, hard shell transport case, ALS-2 ambient light sensor 
Certification and Compliance CE certified, EMC compliance with EN61326-1997, 1998, 2001, RoHS and WEEE compliant

 

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