Stevens Hydra Probe II Series Manuals

Manuals and User Guides for Stevens Hydra Probe II Series. We have 1 Stevens Hydra Probe II Series manual available for free PDF download: Manual

Stevens Hydra Probe II Series Manual

Stevens Hydra Probe II Series Manual (63 pages)

Soil Sensor

Brand: Stevens | Category: Accessories | Size: 2 MB

Table of Contents

Table of Contents
4
1 Introduction

6
- Applications
  6
- Temperature Corrections
  7
- Calibrations
  7
- Dielectric Permittivity
  7
- Structural Components
  7
- Accuracy and Precision
  7
2 Configurations of the Hydra Probe

8
3 Installation

15
4 Measurements, Parameters, and Data Interpretation Analog Hydra Probe Output

26
- Raw Voltages V1, V2, and V3
  26
- ADC Reading 1 through 5
  26
- Diode Temperature
  26
- Soil Temperature
  27
- Soil Moisture
  27
  - Soil Moisture Units
    27
  - Soil Moisture Measurement Considerations
    28
- Soil Salinity (G/L Nacl)
  29
- Soil Electrical Conductivity (Temperature Corrected)
  30
5 Theory of Operation

31
6 Maintenance and Trouble Shooting

37
- How to Tell if the Hydra Probe Is Defective
  37
  - SDI-12 Hydra Probe Trouble Shooting Commands
    37
- Check the Wiring
  38
- Logger Setup
  38
- Soil Hydrology
  38
  - Evapotranspiration
    39
  - Hydrology and Soil Texture
    39
  - Soil Bulk Density
    40
  - Shrink/Swell Clays
    40
  - Rock and Pebbles
    40
  - Bioturbation
    41
  - Salt Affected Soil
    41

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