Documentation Index

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EnviroPro®

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Sensor Overview

Sample more soil – EnviroPro® sensors are uniquely designed to have a much larger field of influence than other capacitance probes of similar diameter, providing more meaningful measurements of the local soil.

Compensated measurements – All EnviroPro® sensor models compensate salinity and moisture measurements for variations in temperature, as well as compensating moisture measurements for salinity variations.

Maintenance-free – Each probe is individually calibrated in the factory, so they never need to be re-calibrated in the field. This means life-time sensor to sensor and probe to probe repeatability.

5 year warranty – EnviroPro® is confident in the quality of their products, and you should be too. All EnviroPro® soil probes come with a 5 year warranty to ensure low cost of ownership and peace of mind.

Operating Temperature

-7° to 60° C

Accuracy and Precision

Moisture resolution: 0.01%

Salinity resolution: 0.001 dS/m

Temperature resolution: 0.01 °C

Moisture accuracy: +/- 2% @ 0% VWC to 50% VWC (*with respect to dielectric)

Useable salinity range: 0 to 6 dS/m* (*Upper limit of non-contact capacitance sensors.)

Salinity accuracy: +/- 5% @ 0-4 dS/m at 10%-30% VWC

Temperature accuracy: +/- 1 °C @ 25 °C

  • Typically, pre-connected by Verdi staff prior to delivery. For reference:

  • If cable has connecter present, cut off the connector and strip outer insulation to reveal the inner wires

  • Strip ~10 mm off each of the inner wires

  • The EnviroPro probe cable will either have 3 or 4 inner wires, connect them to the Dragino following this chart

  • After connecting wires, press and hold the power button for 5 seconds to turn the device on

    • LED will blink green 5 times, then blink blue

Three Wire Cable

WIRE COLOUR

SENSOR

TERMINAL ON SDI-12-LB

Brown

Power (+6V to +15V)

+12v_OUT

Green/Yellow

Ground

GND

Blue

SDI-12 Data

SDI-12_DATA

Four Wire Cable

WIRE COLOUR

SENSOR

TERMINAL ON SDI-12-LB

Red

Power (+6V to +15V)

+12v_OUT

Black

Ground

GND

Blue

SDI-12 Data

SDI-12_DATA

Sensor Technical Specs

Technical Specs

Sensor Installation

Installation Manual