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Measuring principle: coaxial impedance dielectric reflectometry
Cable: 7.5m
Length measuring pins: 57 mm
Communication protocol: SDI-12 Standard v. 1.2
Cable: 3-wire: power, ground, data
Baud rate: 1200
Addressing: Serial; allows multiple sensors to be connected to any SDI-12 data logger via a single cable
Power supply: 9-20 VDC
Power consumption: <1 mA idle / 10 mA active
Output: 8-digit alphanumeric character LCD display
Operating temp.: 0°C to +65°C (32°F to 150°F)
Storage temp.: -20°C to 70°C (-4°F to 160°F)
Power: Battery-operated (9V alkaline)
Dimensions: 12.1 cm x 7 cm x 2.5 cm (4.75” x 2.75” x 1”)
Weight: 181 g (0.4 lb)
Description
The HydraProbe SDI-12 Pro is a rugged soil moisture sensor for long term monitoring that measures moisture, temperature and salinity. It can measure soil moisture sensor in all soils, in the range from completely dry to fully saturated, with an accuracy of accuracy +/- 0.01 WFV.
The temperature range is -10°C to 60°C, with a measurement accuracy 0.3°C. The information can be read out with a data logger.
Variations
If you want to measure both soil moisture, temperature, and salinity, the HydraProbe Pro is your best choice. For moisture and temperature only the HydraProbe Standard can be used.
The following variations in cable length are available:
14.28.11 HydraProbe SDI-12 Pro, 7.5 metre cable
14.28.12 HydraProbe SDI-12 Pro, 15 metre cable
14.28.13 HydraProbe SDI-12 Pro, 30 metre cable
Brochure
Manual
