Delta-T PR2 Profile Probe User Manual

Below you will find brief information for Profile Probe PR2 PR2/4, Profile Probe PR2 PR2/6. This document describes the Delta-T Devices Profile Probe, an instrument which measures the soil moisture content at various depths within the soil profile. The device is designed to be used with an access tube, which is installed into the ground. The probe is then inserted into the tube and readings are taken. The Profile Probe is suitable for both portable readings and long-term monitoring, and can be calibrated for specific soil types. It features a sealed and robust design, a high accuracy of ±4%, and a large sampling volume of ~ 1.0 liters at each profile depth.

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Profile Probe PR2 PR2/4, PR2/6 User Manual | Manualzz

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Key features

  • Measures soil moisture content at various depths
  • Suitable for both portable readings and long-term monitoring
  • Sealed and robust design
  • High accuracy of ±4%
  • Large sampling volume of ~ 1.0 liters at each profile depth
  • Can be calibrated for specific soil types

Frequently asked questions

The Profile Probe uses a 100MHz signal to measure the permittivity of the soil, which is directly related to the soil moisture content. The signal is transmitted by pairs of stainless steel rings on the probe, which are spaced at fixed intervals along the length of the probe.

The Profile Probe has a high accuracy of ±4%.

There are two versions of the PR2 available, one with 4 sensors (PR2/4) and one with 6 sensors (PR2/6). Both versions are available with either analogue outputs or a serial SDI-12 output.
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