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1300 662 720

Customer Support


Standard Portable TDS Meter (range: from 0 to 1990 mg/L)

1 in stock (can be backordered)

    • 0 $

$ 239.79 Ex. GST


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MW401 is a TDS Portable Meter, with Automatic Temperature Compensation, and is ideal for the educational and agricultural markets. Soil conductivity is checked before fertilizer application to pinpoint field needs and after fertilization to establish its effectiveness. The EC testing provides all agricultural operation with a method to optimize chemical applications and minimize operational cost.

This instrument has been designed to meet the Grower’s need for equipment suited to the aggressive environments found in agricultural and hydroponics applications.

The MW401 has a range of 0 to 1990 mg/L (ppm) with a 10 mg/L resolution; The meter is supplied complete with TDS probe with 1 meter cable and calibration solution.


MW401 is supplied complete with SE510 EC probe, 20 mL 1382 ppm sachet of calibration solution, screwdriver for calibration, 9V battery and instructions.


Range 0 to 1990 mg/l (ppm)
Resolution 10 mg/l (ppm)
Accuracy ±2% Full Scale
Conversion Factor 0.5
Calibration Solutions (included) 1382 mg/l (M10032B)
Conductivity Probe SE510 (included)
Temperature Compensation automatic, from 5 to 50°C
Environment 0 to 50°C / 32 to 122°F; max RH 95%
Battery Type 1 x 9V (included)
Battery Life approx. 300 hours of continuous use
Dimensions 145 x 80 x 40 mm
Weight 220 g (with battery)