GroPoint Lite

  • Moisture readings can be user-calibrated with 3rd-order polynomials to meet custom requirements.
  • Low power requirements—suitable for remote, autonomous applications.
  • Patented TDT5 technology for scientific-grade accuracy and excellent long-term stability of measurements.
  • Fully potted electronics for excellent durability.

Description

The GroPoint™ Lite soil sensor is available in both analog and digital versions.

Digital Version

Moisture
Measurement range 0% to 100% of VMC
Accuracy ±2.0% *
Precision < 0.2%
Temperature
Measurement range -20°C to +70°C (-4°F to 158°F)
Accuracy ±0.5 °C
Electrical
Interface SDI-12, RS-485
Connection Bare wire
Optional EN3 4-pin IP66/IP68 rated environmental connector
Warm-up time
Input voltage 6 to 14 VDC, max. 18 VDC
Current consumption Quiescent: Active: 15-35 mA
Environmental
Operating temperature -20°C to 70°C (-4°F to 158°F)
Storage temperature -40°C to 85°C (-40°F to 185°F)
Physical
Dimensions 19.6 cm x 2.0 cm x 0.56 cm (7.7” x 0.8” x 0.2”)
Weight (with standard cable) 272 g (0.6 lb.)
Cable weight 38 g per m (0.42 oz. per foot)
Standard cable 5 m (16.40 ft.)
4xAWG22 dual-shielded, twisted pair, rated for direct burial

Analog Version

Moisture
Measurement range 0% to 100% of VMC
Accuracy ±2.0% *
Precision < 0.2%
Electrical
Interface 0-5 mA, 4-20 mA
Connection Bare wire
Optional EN3 3-pin IP66/IP68 rated environmental connector
Warm-up time
Input voltage 6 to 14 VDC, max. 18 VDC
Current consumption 0-5 mA: 18 mA (nominal), 25mA (max)
4-20 mA: 30mA (nominal), 50 mA (max)
Environmental
Operating temperature -20°C to 70°C (-4°F to 158°F)
Storage temperature -40°C to 85°C (-40°F to 185°F)
Physical
Dimensions 19.6 cm x 2.0 cm x 0.56 cm (7.7” x 0.8” x 0.2”)
Weight (with standard cable) 272 g (0.6 lb.)
Cable weight 38 g per m (0.42 oz. per foot)
Standard cable 5 m (16.40 ft.)
3xAWG22 dual-shielded, twisted pair, rated for direct burial

Data Sheet for this Product