M C 4 1 0 TDS - PPM Monitor User selectable Hi/Low Set Point Manual 1 point calibration Visual LED alarm Supplied with 12 VDC adapter, mounting kit, and 20ml 1382ppm calibration solution MA81/2 PPM Probe with 2m cable (BNC connector)

Specifications Range 0 - 1990 ppm Setpoint Range 700 - 1800 ppm Accuracy ± 2% Full Scale Calibration Manual 1 point Alarm Active when reading is higher or lower than set point Probe MA812/2 - Included