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921 MHz
Soil Moisture: Volumetric Water Content (VWC)
Measurement Range: In soil: 0 to 0.550 m³/m³ (volumetric water content)
Accuracy: ±0.02 m³/m³ (±2%) in most soils typical from 0° to 50°C (32° to 122°F)
Resolution: 0.001 m³/m³
Temperature:
Measurement Range: -20° to 70°C (-4° to 158°F)
Accuracy: ±0.5°C (0.9°F)
Resolution: 0.1°C (0.18°F)
Depths Measured: 90 cm (35 inches) total; six soil moisture zones, nine temperature depths
Wireless Mote:
Operating Temperature Range: Sensor: -20° to 70°C (-4° to 158°F); Mote: -25° to 60°C (-13° to 140°F) with rechargeable batteries, -40° to 70°C (-40° to 158°F) with lithium batteries
Logging Rate: Maximum logging interval: 18 hours
Battery Type/Power Source: Two AA 1.2V rechargeable NiMH batteries, powered by built-in solar panel or two AA 1.5 V non-rechargeable lithium batteries for operating conditions of -40 to 70°C (-40 to 158°F)
Memory: 16 MB
Dimensions:
Sensor length: 98.2 cm (38.7 inches)
Sensor diameter: 3 cm (1.2 inches)
Cable length: 3.5 m (11 ft 6 inches)
Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
Weight:
Sensor: 526 g (18.6 oz)
Cable: 180 g (6.5 oz)
Mote: 226 g (7.9+7 oz)
What's In The Box?
HOBOnet Multi-Depth Soil Moisture Sensor
Two AA 1.2V rechargeable NiMH batteries
Cable ties
Screws
