Specifications

Combined interchangeable pH,
Conductivity and TDS Probe
The pH electrode utilizes a fiber junction to
reduce contamination when measuring
fertilizer solutions.
3 meters in 1! These meters allow you to measure pH, EC
(conductivity) and TDS with just one instrument and one
single probe!
The SM801 with a Conductivity range that goes up to
1990 µS/cm and TDS range that goes up to 1990 ppm is an
ideal tool for drinking water measurements.
The SM802, 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 MA850 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.
Accessories
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)
M10031B 1413 µS/cm calibration solution,
20 mL sachet (25 pcs)
M10032B 1382 ppm calibration solution,
20 mL sachet (25 pcs)
M10442B 1500 ppm calibration solution,
20 mL sachet (25 pcs)
MA9015 Electrode storage solution, 230 mL
bottle
MA850 pH/EC/TDS spare probe with 1 m
cable
pH Calibration
Adjust the calibration
knob until the LCD
shows the pH value at
the above measured
temperature.
EC/TDS
Calibration
Turn the EC/TDS cali-
bration knob until the
display shows the EC
or TDS reading at 25°C.
SM801/SM802
Portable pH/EC/TDS combination Meters
MULTI
Ordering Information
SM801 is supplied complete with MA850 combination
pH/EC/TDS probe, 20 mL sachet pH 7.01 buffer solution,
20 mL 1413 µS/cm sachet of calibration solution, 20 mL
1382 ppm sachet of calibration solution, 9V battery and
instructions.
SM802 is supplied complete with MA850 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.
Specifications
SM801 SM802
Range pH 0.0 to 14.0 pH 0.00 to 14.00 pH
EC 0 to 1990 µS/cm 0.00 to 6.00 mS/cm
TDS 0 to 1990 ppm 0 to 4000 ppm
Resolution pH 0.1 pH 0.10 pH
EC 10 µS/cm 0.01 mS/cm
TDS 10 ppm 10 ppm
Accuracy pH ±0.2 pH ±0.20 pH
(@20°C) EC/TDS ±2% Full Scale ±2% Full Scale
Calibration M10007 (pH 7.01) M10007 (pH 7.01)
Solutions M10032 (1382 ppm) M10442 (1500 ppm)
M10031 (1413 µS/cm) M10031 (1413 µS/cm)
Conversion Factor 0.5 0.68
Calibration manual, at 1 point manual, at 1 point
Temperature Compensation automatic, from 0 to 50°C automatic, from 0 to 50°C
Probe MA850 combination MA850 combination
pH/EC/TDS probe pH/EC/TDS probe
Environment 0 to 50°C / 32 to 122°F; max RH 95% 0 to 50°C / 32 to 122°F; max RH 95%
Battery Type / Battery Life 1 x 9 V alkaline / 150 hours of use 1 x 9 V alkaline / 150 hours of use
Auto-off after 8 minutes of non-use after 8 minutes of non-use
Dimensions 185 x 82 x 45 mm 185 x 82 x 45 mm
Weight 165 g (with battery) 165 g (with battery)
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