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Soil Moisture Set SMT 150T With HH150
Soil Moisture Set SMT 150T in case
Soil Moisture Set SMT 150T Detail
 Soil Moisture Set SMT 150T set
Soil Moisture Set SMT 150T With HH150
Soil Moisture Set SMT 150T in case
Soil Moisture Set SMT 150T Detail
 Soil Moisture Set SMT 150T set

Soil moisture set SM150T with HH150


The soil moisture kit is an affordable instrument for obtaining reliable moisture measurements. The HH150 Meter displays volumetric water content (% volume) and is suitable for Horticulture research.

  • Minimal soil disturbance 
  • Excellent temperature stability
  • Portable, easy and quick to use
  • Scientific accurate: ± 3% 
  • Can be used in saline soils 


The SM150 Soil Moisture Kit provides an affordable and easy-to-use tool for obtaining reliable moisture measurements with minimal soil or substrate disturbance. The volumetric water content is displayed on the HH150. This high-quality kit is covered by a five-year warranty.

Simple operation

The HH150 hand moisture meter is lightweight and is very easy to use, being a readout-only device (no data recording or PC complications). Operation is simple – just insert the SM150T into the soil or substrate and press the Read button to make a reading. 

Horticulture applications

The SM150 Kit comes with substrate calibrations for perlite, coir, peat, and mineral wool, as well as soils – providing a rapid, rugged solution for checking the uniformity of growing conditions for many types of growing media. The SM150T is easy to insert and install – its sharp pins minimize soil disturbance and preserve the original soil structure around the measurement rods. 


  • Horticulture research

Set contains

  • SM150T* Soil Moisture Sensor 
  • Dedicated HH150 Moisture Meter 
  • Cable (3.3 feet, 1 meter) and connector (watertight)
  • Batteries
  • Carry case

Please note that although the SM150T Sensor has a built-in temperature sensor, the HH150 Moisture Meter does not measure or display temperature.


Soil moisture set SM150T with HH150
Accuracy (HH150 Meter) 0.5% of full scale over 41°F-104°F (5-40 °C) (±7.5mV – negligible effect on SM150 accuracy)
Resolution (HH150 Meter) 0.1% of voltage reading
Battery life/standby life (HH150 Meter) 2x GP alkaline AAA/ 10000 readings/1 year
Compliance (HH150 Meter) CE, FCC & ROHS
Measurement Volumetric water content and soil temperature
Accuracy ± 0.03 m3.m-3 (3%)
With soil-specific calibration ± 32.9°F (32-104°F for temp sensor) and ± 33°F (-4 - +140°F for temp sensor) / ± 0.5°C (0 to 40°C for temp sensor) and ± 0.75°C (-20 to +60°C for temp sensor)
Soil moisture measurement range Full accuracy over: 0 to 0.7 m3.m-3 and full range : 0 to 1.0 m3.m-3
Environmental IP68 (-40 to 158°F) / IP68 (-40 to +70°C)
Sample volume ~2.2 x 2.8 in (~55 x 70 mm) diameter, sample volume is weighted towards soil immediately surrounding the rods
Kory Enneking

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