User Manual SPA Snow Pack Analyser
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8 Sensor_
For every SPA sensor connected to the IASP the geometric parameters and specific options have to be
set.
Fig. 7: Submenu: defaults for Sensor_02, the Ground length can also be set to zero for horizontal
sensors
1 Roll height
The roll height is the vertical plumb distance from the upper roll of a sloping SPA-sensor to the ground.
For horizontal installed SPA-sensors the roll height and foot height have to be identical.
Unit: [mm]
Value range: 0 to 10000
2 Sensor foot height
The foot height is the vertical distance from the middle wire of the SPA-sensor to the ground. For sloping
sensors it is measured at the end of the sensor. For horizontal installed SPA-sensors the roll height and
foot height have to be identical.
Unit: [mm]
Value range: 0 to 10000
3 Sensor length
The length of the sensor is measured between the two junctions of the sensor and the finishing boxes.
Unit: [mm]
Value range: 0 to 10000 (default: 4850)
4 Sensor brace length
This length is the distance from the upper roll of a sloping SPA-sensor to the junction of sensor and upper
box.
Unit: [mm]
Value range: 0 to 10000
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