Delta-T SM150 soil moisture kit

£459.60

SKU: SM150 Category:

Description

  • Complete low-cost kit
  • ? 3% accuracy
  • Portable and easy to use

The SM150 Soil Moisture Kit provides an affordable and easy-to-use tool for obtaining reliable moisture measurements with minimal soil or substrate disturbance.

Introduction

The kit comprises an SM150T* Soil Moisture Sensor, a dedicated HH150 Moisture Meter and a carry case. The cable and connector are watertight ? an essential requirement for potentially wet environments.

The HH150 Meter displays volumetric water content (% volume). Please note that although the SM150T Sensor has a built-in temperature sensor, the HH150 Moisture Meter does not measure or display temperature.

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 minimise soil disturbance and preserve the original soil structure around the measurement rods.

Other Delta-T soil moisture kits

Two alternative Delta-T Devices moisture measurement kits are available if greater accuracy or electrical conductivity (EC) measurements are required.

 

*The SM150 Kit was previously supplied with the SM150 Sensor, but now comes with the SM150T Sensor.

 

Additional information

Specification

Measurement Volumetric water content and soil temperature Accuracy ? 0.03 m3.m-3 (3%) With soil-specific calibration ? 0.5?C (0 to 40?C for temp sensor) ? 0.75?C (-20 to +60?C for temp sensor) Soil moisture measurement range Full accuracy over: 0 to 0.7 m3.m-3 Full range : 0 to 1.0 m3.m-3 Salinity range 50 to 500 mS.m-1 Salinity errors < 0.035 m3.m-3 from 0.05 to 0.4 m3.m-3. Can be calibrated up to 2000 mS.m-1 Temperature range Full accuracy over: 0 to 40?C Output 0 to 1.0 V differential Corresponding to 0 to ~0.6 m3.m-3 Resistance 5.8? to 28? for temp sensor Power requirement 5-14 V, ~18 mA for 1s Minimum 5 V with 100 m cable Environmental IP68 (-40 to +70?C) Sample volume ~55 x 70 mm diameter Sample volume is weighted towards soil immediately surrounding the rods Dimensions and weight Overall: 143 x 40 mm diameter Rods: 51 mm x 2.5 mm diameter Weight: 0.1 kg (exc. cable) Sensor calibrations Individual sensors are interchangeable Recalibration advised every 3 years (depending on use) Soil calibrations Generalised Mineral and Organic soil calibrations are supplied HH150 Meter Accuracy 0.5% of full scale over 5-40 ?C (?7.5mV ? negligible effect on SM150 accuracy) Resolution 0.1% of voltage reading Battery life/standby life 2 x GP alkaline AAA/ 10000 readings/1 year Environmental Non-condensing Compliance CE, FCC & ROHS

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