Measurements Made: Soil electrical conductivity (EC), relative dielectric permittivity, volumetric water content: (VWC), soil temperature
Required Equipment: Measurement system
Soil Suitability: Short rods are easy to install in hard soil. Suitable for soils with higher electrical conductivity.
Rods: Not replaceable
Sensors: Not interchangeable
Sensing Volume: 3600 cm3 (~7.5 cm radius around each probe rod and 4.5 cm beyond the end of the rods)
Electromagnetic: CE compliant (Meets EN61326 requirements for protection against electrostatic discharge and surge.)
Operating Temperature Range: -50° to +70°C
Sensor Output: SDI-12; serial RS-232
Warm-up Time: 3 s
Measurement Time: 3 ms to measure; 600 ms to complete SDI-12 command
Power Supply Requirements 6 to 18 Vdc (Must be able to supply 45 mA @ 12 Vdc.)
Maximum Cable Length 610 m (2000 ft) combined length for up to 25 sensors connected to the same data logger control port
Rod Spacing: 32 mm (1.3 in.)
Ingress Protection Rating: IP68
Rod Diameter: 3.2 mm (0.13 in.)
Rod Length: 120 mm
Probe Head Dimensions: 85 x 63 x 18 mm (3.3 x 2.5 x 0.7 in.)
Cable Weight: 35 g per m (0.38 oz per ft)
Probe Weight: 240 g (8.5 oz) without cable
