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Instruction Manual
Instruction Manual
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MW804 pH/Conductivity/TDS/Temperature Testers with replaceable electrode

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.

MW804
pH/EC/TDS/Temp Sensor
The MW803 and MW804’s exposed temperature sensor provides fast response time, and its proximity to the conductivity probe guarantees much more accurate temperature compensated readings.

Battery lifee
Percentage of battery power remaining will be displayed upon startup.
Replaceable probe
Replace the electrode in a fast and simple way yourself! Just unscrew the plastic ring on the top of the electrode and replace the electrode with a new one.
Packaging Information
MW803 and MW804 is supplied in a tubular plastic casing. Optionally the MA753 hard carrying case can be purchased.
SPECIFICATIONS
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
Calibration automatic, 1 point for EC and 1 or 2 points for pH
TDS Factor
0.45 to 1.00 (conv.)
Probe Mi60P (replaceable)
Environment 0 to 50°C; 100% RH max.
Battery Type 4 x 1.5V; IEC LR44, A76 (included)
Battery Life approx. 100 hours of use
Auto-off after 8 minutes of non-use
Dimensions 200 × dia 38 mm
Weight 100 g

 

ACCESSORIES
Mi60P Replaceable probe for MW803 & MW804
M10000B Rinse solution, 20 mL sachet (25 pcs)
M10004B pH 4.01 buffer solution 20 mL sachet (25 pcs)
M10007B pH 7.01 buffer solution 20 mL sachet (25 pcs)
M10010B pH 10.01 buffer solution 20 mL sachet (25 pcs)
M10016B Cleaning solution, 20 mL sachet (25 pcs)
M10030B 12880 μS/cm calibration solution, 20 mL sachet, 25 pcs
M10031B 1413 μS/cm calibration solution, 20 mL sachet, 25 pcs
M10032B 1382 ppm (mg/L) calibration solution, 20 mL sachet, (25 pcs)
M10038B 6.44 ppt (g/L) calibration solution, 20 mL sachet, (25 pcs)
MA9004 pH 4.01 buffer solution, 230 mL bottle
MA9006 pH 6.86 buffer solution, 230 mL bottle
MA9007 pH 7.01 buffer solution, 230 mL bottle
MA9009 pH 9.18 buffer solution, 230 mL bottle
MA9010 pH 10.01 buffer solution, 230 mL bottle
MA9015 Electrode storage solution, 230 mL
MA9060 12880 μS/cm calibration solution, 230 mL bottle
MA9061 1413 μS/cm calibration solution, 230 mL bottle
MA9062 1382 ppm calibration solution, 230 mL bottle
MA753 Hard carrying case for 2 testers
ORDERING INFORMATION
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.
 
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