SOMMER SPA-2, Руководство пользователя

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Inputs up to 4 SPA-sensors
4x Analog 0 ... 2.5 V, 16 bit
2x Trigger input, low: 0…0.6 V, high: 2…26 V
1x RS-485
1x SDI-12
Outputs 4x Switched power supply (1 for snow depth sensor), max. 0.2 A each
1x RS-485
1x SDI-12
Measurement range and accuracy
Snow depth 0 … 2.5 m
(max. ± 1cm; typically 0.1% FS) 0 … 5 m
(max. ± 1cm; typically 0.1% FS)
Snow water equivalent 0 … 1000 mm (±5% FS) 0 … 3000 mm (±5% FS)
Snow density 0 … 1000 kg/m
3
(±5% FS)
Volumetric water content 0 … 100 % (±2% FS)
Volumetric ice content 0 … 100 % (±2% FS)
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Manual 15