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ML3 ThetaKit - IC-ML3

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Product code: IC-ML3

Backorder Now, once ordered your item will dispatch before the 28th of May 2025, call 1300 737 871 (NZ 0800 737 871 to confirm).

The ML3 ThetaKit provides researchers with a portable tool for highly accurate, near instantaneous measurement of moisture levels in soils and substrates with a +/- 1% soil moisture accuracy. Recommended for turf. Complete kit that includes the ML3 ThetaProbe soil moisture sensor, HH2 moisture meter, replacement sensor rods, and a carry case.

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$3,419.80 AUD + GST
 $3,761.78 AUD Inc. GST

The ML3 ThetaKit provides researchers with a portable tool for highly accurate, near instantaneous measurement of moisture levels in soils and substrates.

The ThetaKit is easy to use. Simply switch the connected HH2 Moisture Meter on, insert the probe pins fully into the soil, and press the HH2s read button to display the moisture measurement. Readings can then be stored with a single button press (if required) and downloaded to PC later.

ML3 ThetaProbe Sensor

- With the ML3 ThetaProbe Soil Moisture Sensor its easy to make reliable, accurate soil moisture measurements. Simply insert the soil moisture probe into the soil, connect to your data logger or readout unit, provide 5 to 14 V DC at 18 mA, and within seconds you can be logging soil moisture.
- The ML3 ThetaProbe is robust, buriable and maintenance free (environmentally protected to IP68). It can be easily installed at depth into augered holes using the optional extension tubes.
- The ML3s excellent salinity response has been characterised at EC values up to 2000 mS.m-1. It also has a wide operating temperature range, allowing it to be used at temperatures as low as -40 C (non-flexing cables).
- The ML3 can be logged by any Delta-T data logger; it is compatible with any logger that can provide 5 15 V DC excitation power and will accept the 0 1 V output signal. For portable applications the ML3 connects to the HH2 Moisture Meter and they can be ordered together as the convenient ThetaKit see below (please note that the HH2 Meter does not provide temperature readings).
- The ML3 ThetaProbe is buriable and its cylindrical shape makes it easy to install in augered holes (45 mm diameter). The tough stainless steel rods can be replaced if bent or damaged. The threaded base of the sensor can be connected to optional 50 cm and 100 cm extension tubes.

Specifications

- Measurement: Volumetric water content and soil temperature
- Measurement range (Soil moisture): Full accuracy over 0 to 0.5 m3.m-3, Full range : 0 to 1.0 m3.m-3
- Measurement range (Salinity): 50 to 500 mS.m-1
- Measurement range (Temperature): 0 to 40 C
- Accuracy (Soil moisture): +/- 0.01 m3.m-3 (1%)
- Accuracy (Temperature): +/- 0.5 C (0 to 40 C for temp sensor); +/- 0.75 C (-20 to +60 C for temp sensor)
- Output: 0 to 1.0 V differential, Corresponding to 0 to 0.6 m3.m-3
- Power requirement: 5-14 V, around 18 mA for 1s. Minimum 5.5 V with 100 m cable
- Environmental: IP68 (-40 to +70 C)
- Sample volume: around 60 x 30 mm diameter
- Dimensions and weight (Overall): 158 x 40 mm diameter
- Dimensions and weight (Rods): 60 mm x 3.2 mm diameter
- Sensor calibrations: Individual sensors are interchangeable. Recalibration advised every 3 years (depending on use)

HH150 Meter

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.

Specifications

- Accuracy: 0.5% of full scale over 5 to 40 C (+/- 7.5m, 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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