Delta-T Devices WET150 Quick Start Manual
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Delta-T Devices WET150 Quick Start Manual

Rapid measurement of water content, ec and temperature
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Table of Contents

WET150 kit
W
EC
T
Rapid measurement of
ater content,
and
emperature
Quick Start Guide
version 1.1

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Summary of Contents for Delta-T Devices WET150

  • Page 1 WET150 kit Rapid measurement of ater content, emperature Quick Start Guide version 1.1...
  • Page 2 The WET150 Kit Kit case The WET150 kit is supplied in a small protective case with WET150, Meter and a couple of spare WET150 Meter batteries Display readings, configure units and soil calibrations, set SDI-12 address WET150 Sensor Rapid and accurate...
  • Page 3 Sensing field measurements Extends ~100mm into the soil, but field is strongest close to the rods - install carefully to avoid air gaps © 2021, Delta-T Devices Ltd `Page 3...

  • Page 4: Taking Readings

    Temperature Note : the temperature sensor in the WET150 is internal to the white body, so it takes over a minute to equilibrate. This can potentially affect the EC measurement accuracy as the conductivity of typical plant nutrients changes by ~2% per °C.
  • Page 5 Each SDI-12 sensor has an “address”, a 1-character code that it uses to recognise when to respond to commands sent over a network of sensors. The WET150 Meter interrogates the connected sensor and automatically uses that address when taking readings. It can also be used to set sensor addresses prior to their installation in a network.
  • Page 6 The WET150 Meter can conveniently help locate faults. The WET150 Meter can only take and display readings from WET150 sensors, however it can display the address of most attached SDI-12 sensor with a compatible power requirement*.

  • Page 7: Specifications

    Accuracy ± (6% + 10mS.m Accurate range: 0 to 1200mS.m Range Full range: 0 to 2000mS.m Temperature (WET150 must be buried to accurately measure soil temperature) Accuracy ± 1°C Accurate range: -20 to +50°C Range Full range: -20 to +60°C...

  • Page 8: Changing The Batteries

    Note: All configuration settings will be retained. Care and maintenance ◼ Do not touch the WET150 rods or expose them to other sources of static damage, particularly when powered up. ◼ Ensure that the connector is clean, undamaged and properly aligned before pushing the parts together.

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