RS-100A “Nutrient-Wand” TDS Meter
Range: PPM: 280—3080, EC: 0.4—4.4, CF: 4—44,
TDS Factory: 700ppm = 1EC = 10CF,
Temp.C Range: 5—45C,
Temp.Compensation: ATC
Features: Auto turn on & off, Auto turn Check.
Battery Life: DC 3 x 1.5V
Display: LED x 16