The NPK Sonde is a multi sensor probe with detachable sensors and a 1 metre cable.
The Sonde is compatible with the EDT directION NPK Meter and has a rugged body with removable protective skirt for the Nitrate, Potassium, Phosphate and Reference electrodes. The NPK Meter can be toggled to read in Nitrogen, Phosphorous & Potassium or in ppm Nitrate, Phosphate & Potassium - these both use the same sensor set.
Each probe is solid state and can be left dry. Replacement sensors can be purchased individually.
The location of each cell is important so the sensor module ports are identified as N, P and K to avoid errors. The slots are labelled on the probe and the probes are colour coded as follows:
- N (Nitrate) - Green
- P (Phosphate) - Grey
- K (Potassium) - Red
- REF (Reference) - Black
The cable connector is a mini DIN and is compatible only with the NPK meter.
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Additional information
| Cable Length | 1m |
|---|---|
| Length | 160mm |
| Diameter | 30mm |
| Commodity Code | 90279050 |
| Concentration Range | N : 0.4 to 64,000ppm. P: 0 to 120ppm K: 0.04 to 39.000ppm |




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