SPA-2 Snow Pack Analyzer
Determination of snowpack-properties can be very challenging as they vary significantly in space and time. The SPA-2 snow pack analyzer measures the volumetric contents of ice and water within a snowpack to calculate Snow Water Equivalent and density.More information
|Physical and enironmental|
|Power supply||9...28 DC; Reerse oltage protection oeroltage protection|
|Power consumption at 12 DC||max. 65 mA actie 1mA in sleep mode|
|Analog output 4…20 mA (14 bit, max. load 200 Ω)|
|Digital output (low: 0, high: supply, max. 30 mA at supply-0.5 )|
|Operating temperature||-35…60 °C (-31…140 °F)|
|Storage temperature||-35…60 °C (-31…140 °F)|
|Rel. humidity||0...100 %|
|Protection rating||Sensors IP 66
Controller IP 54 (IP 66 if contained in electrical cabinet)
|Lightning protection||Integrated protection against indirect lightning with a discharge capacity of 6 kA Ppp|
Determination of snowpack-properties can be very challenging as they vary significantly in space and time. The SPA-2 snow pack analyzer measures the volumetric contents of ice and water within a snowpack, and together with the snow depth calculates the snow water equivalent (SWE) and snow density.
By measuring the complex impedance along multiple, 4.8 m long, ribbon-shaped sensors, the SPA-2 acquires area-averaged data about the snowpack at different depth. Other than that, the snow height is precisely measured with the contact-free ultrasonic level sensor USH- 9. This sensor- combination provides an automatic measurement system to continuously monitor the snowpack development for hydrological, agricultural and other applications.