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Volumetric Water Content Accuracy
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±0.03 m³/m³ (3%)
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Bulk Electrical Conductivity (ECb) Accuracy
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±(6% + 10 mS/m)
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Temperature Accuracy
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±0.5℃
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Pore Water Electrical Conductivity (ECₚ) Accuracy
|
See chart below
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Temperature Measurement Range
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Full range: -20~+60℃
Precise range: 0~+40℃
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Volumetric Water Content (θ) Range
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Full range: 0~1.0 m³/m³ (0~100%)
Precise range: 0.05~1.0 m³/m³ (5~100%)
ECb 0~500 mS/m
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Pore Water Electrical Conductivity (ECₚ) Range
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See chart below
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Bulk Electrical Conductivity (ECb) Range
|
0~1200 mS/m
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Output
|
SDI-12 Version 1.3 standard, providing volumetric water content, pore water electrical conductivity (ECₚ) and temperature, as well as basic readings of dielectric constant and bulk electrical conductivity (ECb)
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Power Supply
|
6~20V
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Power Consumption
|
Active response: average 22 mA within 12 ms (average includes short peak of 45 mA)
Calculation of valid results: 188 ms 2 mA
Sleep mode: <0.5 mA
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Protection Rating
|
IP68
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Operating Temperature
|
-20~+60℃
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Measurement Area
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Height approx. 55 mm × diameter 70 mm (centered on sensor probes)
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Dimensions
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Body: Height 143 mm × diameter 40 mm; Probes: Height 51 mm × diameter 2.5 mm
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Weight
|
77g (excluding cable)
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Sensor Calibration
|
Recommended calibration every 5 years (depending on usage)
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Soil Type Calibration
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WET150 sensor has calibration functions for mineral and organic soils, as well as perlite, coco coir, peat, and mineral wool substrates
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HH2 Handheld Meter
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Input Interface
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Can connect 1 WET150 sensor simultaneously
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Operation
|
Keypad
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Sensor Communication Protocol
|
SDI-12
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Power Supply
|
2 AA alkaline batteries
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Battery Life
|
>2400 readings
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Enclosure Protection Rating
|
IP65
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Operating Temperature
|
0~+40℃
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|
Display
|
2 line × 16 character
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Dimensions
|
130 × 66 × 25 mm
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