Milwaukee SM401 TDS/ppm Meter, Low Range, New MW401

Milwaukee New MW401 (old )SM401 Smart Portable TDS Meter (Low Range, lower than SM402)

TDS METER – RANGE: 0 –1990 ppm – WITH AUTOMATIC TEMPERATURE COMPENSATION AND 1 POINT MANUAL CALIBRATION SUPPLIED WITH MA811D/1 TDS PROBE, A 9 V BATTERY, A 20 ml 1382 ppm SACHET BUFFER SOLUTION AND SCREWDRIVER FOR CALIBRATION.