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Milwaukee Instruments

Standard Portable pH / Conductivity / TDS Combination Meter

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3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe!

The AG900, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too acidic or alkaline can have an adverse effect on plant nutrient and water uptake and directly effect the efficiency of fertilizer, herbicides and pesticides. Soil Conductivity is checked before fertilizer application to pinpoint field needs and after fertilization to establish its effectiveness.

Supplied with the SE600 interchangeable probe to measure pH, Conductivity and TDS. The pH electrode utilizes a fiber junction to reduce contamination when measuring fertilizer solutions. Both meters calibrate manually in pH, Conductivity and TDS.

AG900 is supplied complete with SE600 combination pH/EC/TDS probe, 20 mL sachet pH 7.01 buffer solution, 20 mL 1413 µS/cm sachet of calibration solution, 20 mL 1500 ppm sachet of calibration solution, 9V battery and instructions.

pH Range0.00 to 14.00 pH
EC Range0.00 to 6.00 mS/cm
TDS Range0 to 4000 ppm
pH Resolution0.10 pH
EC Resolution0.01 mS/cm
TDS Resolution10 ppm
pH Accuracy±0.20 pH
EC/TDS Accuracy±2% Full Scale
Calibration SolutionsM10007 (pH 7.01)
M10032 (1382 ppm)
M10031 (1413 mS/cm)
Conversion Factor0.5
Calibrationmanual, at 1 point
Temperature Compensationautomatic, from 0 to 50°C
ProbeSE600 combination pH/EC/TDS probe
Environment0 to 50°C / 32 to 122°F; max RH 95%
Battery Type / Battery Life1 x 9V alkaline / 150 hours of use
Auto-offafter 8 minutes of non-use
Dimensions185 x 82 x 45 mm
Weight165 g (with battery)

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Portable pH / Conductivity / TDS Combination Meter
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