The Spectrum Watermark Soil Moisture Sensor is a professional-grade instrument designed for precise and reliable soil moisture monitoring. Ideal for farmers, agronomists, turf managers, greenhouse operators, and researchers, this sensor provides continuous data on soil water tension, helping optimize irrigation, improve crop health, and enhance water-use efficiency.
By accurately tracking soil moisture levels, the Watermark Sensor supports smarter irrigation decisions, prevents over- or under-watering, and ensures optimal growing conditions for all types of crops and turf.The Watermark Sensor measures soil water tension to provide accurate insight into available water for plants. Its durable design and reliable sensor technology make it ideal for continuous monitoring in field, greenhouse, and turf environments.
Key Features
Accurate Soil Moisture Measurement : Monitors water content and soil tension
Durable & Weather-Resistant : Built to withstand harsh field conditions
Easy Integration : Compatible with irrigation and data logging systems
Reliable Long-Term Performance : Low maintenance, high-accuracy sensor
SKU: 6450WD (11 ft) / 6450WD20 (20 ft) / 6450 (Bare wire)
For tracking soil moisture trends in crops, vineyards, or other areas where moisture level is a concern.
Place sensors in the upper and lower thresholds of the root zone, in turf, or in other growing media.
Measures soil moisture tension from 0 (saturated) to 200 (dry) centibars with 3 options for connection:
- 11ft Cable - for Station or Soil Sensor Reader Connection
- 20ft Cable - for Station or Soil Sensor Reader Connection
- Bare Wire Connection
Extra Information from Spectrum Technologies
For use with WatchDog Stations
Item 6450WD - Watchdog Watermark Soil Sensor - 11ft (3.3m) Cable
Item 6450WD20 - Watchdog Watermark Soil Sensor - 25ft (7.6m) Cable
For use with FieldScout Soil Sensor Reader (Item 6466)
Requires 6450FSADPT for connection to Reader
Item 6450 - Watermark Soil Moisture Sensor - 5ft (1.5m) Cable
Delivery lead time: 4 - 8 weeks
Datasheet:
Model200SS_WATERMARK Sensor-WEB.pdf
