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Soil Moisture Sensors
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Soil Moisture Sensor Probe Selector

Vegetronix soil moisture sensors have the following properties:

  • Low cost
  • Low power
  • Durable
  • High accuracy
  • Small size
  • Insensitive to salts
  • Regulated input voltage
  • Wide input voltage range

VH400 Series
Price $37.95
Input Voltage 3.5V to 20 VDC.
Power on to Output stable 400 ms
Operational Temperature -40°C to 85°C
Output Voltage Range 0 to 3V
Typical Power < 7mA
Sensitive to Volume No
Sensitive to salt No
Frequency of Operation 80MHz
Internal Voltage Regulator Yes
Applications Low power consumption, sprinkler controlers, moisture monitoring of highly saturated soils, monitoring of ground soil and soil in pots, and water level measurement.
VWC to Voltage Curves Curves
Product Links VH400 Series
Purchase Now VH400 Series

VH400 Soil Moiture Sensor

VH400 Soil Moisture Sensor Probes

The VH400 high frequency series soil moisture sensors are low power, very affordable, durable, and provide an excelent feedback to sprinkler control systems. They put out a voltage of 0 to 3V related to the water content of the soil. They can also be used as water level sensors.

Soil Moisture Sensor Instructional & Promotional Videos

How To Wire Up a Soil Moisture Sensor

The Techno Gardener shows you how to wire up a Vegetronix soil moisture sensor to a digital multimeter.

Soil Moisture Sensor as Water Level Sensor

The Techno Gardener demonstrates how a Vegetronix soil moisture sensor can be used as a water level sensor.

Soil Moisture Sensor Detects Clammy Hands

The Techno Gardener shows you how a Vegetronix soil moisture sensor can also be used to detect the moisture in your hands. It blows away gypsum block sensors with it's instantaneous moisture readings.

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