MW802 is a compact Portable Meter with a Faster Micro Processor. This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe.These easier and faster to calibrate portable meters have a smaller, ergonomic and lighter case design. Other features include 100 percent larger and easier to read LED Display and long battery life.Meter calibrates manually in pH, Conductivity and TDS.Each meter is supplied with the MA850 interchageable probe with 1 meter cable to measure pH, Conductivity and TDS. The pH electrode utilizes a fiber junction to reduce contamination when measuring fertilizer solutions.The MW802, with a conductivity range that goes up to 6.00mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production.MW802 is supplied complete with MA850 combination pH/EC/TDS probe, 20 mL sachet ph 7.01 buffer solution, 20 mL 1382 ppm sachet of calibration solution, 9V battery and instructions.