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MW804 - pH/ Conductivity/ TDS/ Temperature Testers with replaceable electrode (High Range)

Product Code: MM-MW804

Availability: Call 1300 662 720
Price: $286.50

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MW804 - pH/ Conductivity/ TDS/ Temperature Testers with replaceable electrode (High Range)

The MW803 and MW804 are pocket testers with dual-level LCD that measure pH/ Conductivity/TDS/Temperature in one single tester!

The large display shows readings in an extended range from 0.00 to 14.00 pH and 0 to 3999 μS/cm, 0 to 2000 ppm (MW803), 0 to 20.00 mS/cm, 0 to 10.00 ppt (MW804) and simultaneously shows temperature from 0.0 to 50.0°C or 32.0 to 122.0°F. They have a stability indicator and hold function that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all operations. The EC/TDS conversion factor is user selectable as well as the temperature compensation coefficient (β).

Ideal for quick and accurate measurements in swimming pools, aquariums and horticultural applications they can also be used in Industrial and Laboratory applications such as cooling towers, food processing, plating, drinking and waste water etc.



MW803 and MW804 is supplied complete with protective cap, 20 mL pH 4.01 and pH 7.01 sachets of calibration solution, 20 mL 1413 μS/cm calibration solution (MW803), 20 mL 12880 μS/cm calibration solution (MW804), batteries and instructions.



pH Range

0.00 to 14.00 pH

EC Range

20.00 mS/cm

TDS Range

0 to 10.00 ppt

Temp Range

0.0 to 50.0°C / 32.0 to 122.0°F

pH Resolution

0.01 pH

EC Resolution

0.01 mS/cm

TDS Resolution

0.01 ppt

Temp Resolution

0.1°C / 0.1°F

pH Accuracy

±0.05 pH

EC/TSD Accuracy

2% Full scale

Temp Accuracy

±0.5°C / ±1°F

Temperature Compensation

automatic with ß=0.0 to 2.4%/°C


automatic, 1 point for EC and 1 or 2 points for pH

TDS Factor

0.45 to 1.00 (conv.)


Mi60P (replaceable)


0 to 50°C; 100% RH max.

Battery Type

4 x 1.5V; IEC LR44, A76 (included)

Battery Life

approx. 100 hours of use


after 8 minutes of non-use


200 × dia 38 mm


100 g

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