Watermark Soil Moisture Sensor
Watermark Soil Moisture Sensor consists of a pair of highly corrosion resistant electrodes that are imbedded within a granular matrix.
A current is applied to the WATERMARK to obtain a resistance value. The WATERMARK Meter or Monitor correlates the resistance to centibars (cb) or kilopascals
(kPa) of soil water tension.
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- Description
- TECHNICAL SPECIFICATIONS
Description
| Product Code |
Product Description |
| PRS-SWATSMMET | Watermark Soil Moisture Sensor |
Watermark Soil Moisture Sensor
Watermark Soil Moisture Sensor consists of a pair of highly corrosion resistant electrodes that are imbedded within a granular matrix.
A current is applied to the WATERMARK to obtain a resistance value. The WATERMARK Meter or Monitor correlates the resistance to centibars (cb) or kilopascals
(kPa) of soil water tension.
The WATERMARK is designed to be a permanent sensor, placed in the soil to be monitored and “read” as often as necessary with a portable or stationary device.
Internally installed gypsum provides some buffering for the effect of salinity levels normally found in irrigated agricultural crops and landscapes.
Features
Proven stable calibration
Range of measurement from 0 to 239 cb (kPa)
Fully solid-state • Will not dissolve in soil
Not affected by freezing temperatures
Internally compensated for commonly found salinity levels
Inexpensive, easy to install and use
Compatible with AC or DC reading devices (specialized circuit required)
NO maintenance required
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