New controller includes extended range, digital calibration, on-screen temperature and tri-color display. Monitors and controls TDS levels for high output commercial systems. Large, bright L.E.D. display. An alarm will sound if the TDS level rises above the user-set level. Installs easily in minutes. Includes one sensor probe.

EC Range: 0-9999 µS
TDS Range: 0 - 5000 ppm
Accuracy: ±2%
Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999)
ATC: Yes (1 - 65 degrees Celsius)
Calibration: Adjustable (manual)
Setting: Controlled by on-screen up/down buttons
Relay Control: The unit will transmit an analog signal to a pump/valve when the ppm level reaches or exceeds the control setting (simple switch)
Alarm: Optional steady beep (set by user)
Display: Bright 5/8" tall LED display
Probe (included): 1/2" NPT bushing, 3 meter (9.8 ft) shielded cable.  Replacement probe available.
Power supply: AC 110V / AC 220V

Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 680.4 g (1 lb 8 oz)