TrolMaster Water Content Sensor (WCS-2)

Monitoring your grow medium for proper water content % and EC is an important factor in high-yield growing applications. TrolMaster understands that today’s method of “crop steering” involves more precise control of the amount of nutrient and the nutrient strength within the grow medium in order to achieve the best results. The WCS-2 Water Content Sensor provides the users with an accurate and simple way to monitor your grow medium. The WCS-2 consists of a multi-prong sensor assembly that is inserted into your grow medium. Once the WCS-2 is calibrated to your grow medium and your nutrients, you will get constant readings from the WCS-2 providing the actual water content within the grow medium, the temperature of the grow medium and also the EC within the grow medium. You can even select alarm “limits” for each variable being monitored by the WCS-2 to send remote notifications through the TrolMaster or TM+ apps.

Features

• LCD Display, Easy Operation 
• Addressing/ Calibration Button 
• Water Content Real-time Measuring Water Content, 

Temperature & EC of Grow Media 

• Alarm When Set-point Exceeded 

Package includes

• 1x Water Content Sensor

Each WCS-2 sensor includes a five-prong sensor assembly connected to a LCD communication module (Display Screen & Button). To use the WCS-2, the five prong sensor is inserted into the grow media such as soil or rock wool to be measured. Normally placed horizontally about 1/3 of the way up from the bottom of the grow media container or rock wool block. You can connect multiple Water Content Sensors (up to 50 WCS-2 on the NFS-2 and HCS-2 controllers, 8 on the NFS-1 controller). The NFS-2 screen will display the value of the 3 parameters (grow medium temperature, moisture level and EC) of each individual sensor. 

 

Absolute Maximum Ratings

Supply Voltage: 10.8 – 13.2 volts

Input Current: 100 – 200 mA

Operating Current: 140 typical mA (supply voltage = 12V)

Operating Temperature: 32°- 122°F

Storage Temperature: 0°- 140°F

Humidity: ≤90% 

 

Measurement Performance

Water Content (WC)

Range: 0 – 10 %

Resolution: 1 %

Accuracy: -2 – +2%

 

Temperature

Range: 0°- 122°F

Resolution: 0.1 °F

Accuracy: -1 – +1 °F

 

Electrical Conductivity (EC)

Range: 0 – 5 mS/cm

Resolution: 0.01 mS/cm

Accuracy: -0.2 – +0.2 mS/cm