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921 MHz
Measurement Range: In soil: 0 to 0.550 m³/m³ (volumetric water content)
Extended Range: -0.401 to 2.574 m³/m³
Accuracy: ±0.031 m³/m³ (±3.1%) typical 0 to 50°C (32° to 122°F) for mineral soils up to 8 dS/m and ±0.020 m³/m³ (±2%) with soil specific calibration
Resolution: 0.0007 m³/m³ (0.07%)
Volume of Influence: 0.3 liters (10.14 oz)
Sensor Frequency: 70 MHz
Sensor Operation Temperature Range: 0° to 50°C (32° to 122°F). Although the sensor probe and cable can safely operate at below-freezing temperatures (to -40°C/F), the soil moisture data collected at these extreme temperatures is outside of the sensor’s accurate measurement range.
Wireless Mote:
Operating Temperature Range: -25° to 60°C (-13° to 140°F) with rechargeable batteries; -40° to 70°C (-40° to 158°F) with lithium batteries
Logging Rate: 1 minute to 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 lithium batteries for operating conditions of -40° to 70°C (-40° to 158°F)
Memory: 16 MB
Dimensions: Soil probe: 89 x 15 x 1.5 mm (3.5 x 0.62 x 0.06 in.); Cable length: 5 m (16.4 ft); Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
Weight: Sensor and cable: 180 grams (6.3 oz); Mote: 223 g (7.87 oz)
Included Items:
Protective cap
Cable ties
Screws
