GroPoint-Profile Multi-segment Soil Moisture and Temperature Profiling Probe

GroPoint-Profile

GroPoint

New

The Most Accurate and Cost-Effective Soil Profiling Solution Available
Eliminates need for multiple sensors and cabling systems.
Installs quickly and easily without excavating.
One SDI-12 address is used to read all segments, providing for simplified installations. Optional RS-485 output.
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.

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The Sensor measures: Soil Humidity
Output Signal: SDI-12 V1.3 (RS485 optional)
Cable Length: 5 meters
Power Supply: 6 - 14 Vdc max. 18 Vdc
Sensor for use in: Outdoor

GroPoint ™ Profile provides cost-effective measurement of volumetric water content over multiple depths using a single probe, eliminating the cumbersome excavation required for multiple sensors placed at different depths. It can be deployed in irrigation-sensitive zones to enable full control of precision irrigation needs, providing an understanding of water movement through the soil.

The sleek, lightweight design installs quickly with minimal soil disruption using a pilot rod and slide hammer tool. Designed for vertical installation, the sensor takes measurements over multiple soil layers, with each measurement zone (segment) providing the average volumetric soil moisture content over a 15 cm range (approximately 6 inches).

Unlike any other soil profiling probe, GroPoint Profile provides true soil profiling quantification, measuring the average moisture across the entire length of each segment (15cm or 6 "). discrete positions on the probe.

Moisture
Measurement range: 0% to 100% of VMC
Accuracy: ± 1.0% *
Precision: <0.2%

Temperature
Measurement range: -20 ° C to + 70 ° C (-4 ° F to 158 ° F)
Accuracy: ± 0.5 ° C

Electrical
Output: SDI-12 V1.3 (RS485 optional)
Connection: Bare wire (optional 4 pin, IP66 / IP68 rated environmental connector)
Input voltage: 6 to 14 VDC max. 18 VDC
Current:
 Quiescent: <0.5mA
 Active: 15-20 mA (depending on number of segments) for 100 mS

Warm-up time on power up: <1 second

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
Length: Each segment is approximately 15 cm (5.9 ") long Total length is the number of segments multiplied by 15 cm For example, a 3-segment probe is about 45cm long.

Probe weight:
 2 segments: 292 g (10.3 oz.)
 3 segments: 351 g (12.4 oz.)
 4 segments: 408 g (14.4 oz.)
 5 segments: 468 g (16.5 oz.)
 6 segments: 526 g (18.6 oz.)
 8 segments: 642 g (22.6 oz.)

Cable weight: 38 g per m (0.42 oz per foot)
Standard cable:
 5 m (16.3 ft.)
 4xAWG22 dual-shielded, twisted pair, rated for direct burial

Warranty: 1-year limited parts and labor

* 8% to 42% VMC, in controlled laboratory conditions; factory calibrated for most agricultural soils. In field applications, accuracy may slightly decrease due to the inevitable heterogeneity of soil texture, soil compaction, moisture and fluctuation in soil temperature. The accuracy may also decrease in difficult soil conditions (higher clay and salinity content). In normal conditions, GroPoint sensors will maintain their accuracy from permanent wilting through field capacity in sandy loam through clay soils with less than 60% clay particles. Under moderately saline conditions. GroPoint sensors will maintain their accuracy up to 6 ds / m.

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