Extended Range EC/TDS Controller HM Digital PSC-150

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Brand HM Digital
The new PSC-150 controller features extended range, digital calibration, on-screen temperature and tri-color display. Note that this part replaces the PC-100, which has been discontinued.


HM Digital Controllers
PSC-150:  Extended Range EC/TDS Controller

HM Digital RO System Controllers and TDS Monitors
Controller includes extended range, digital calibration, on-screen temperature and tri-color display.
Note:  This product replaces PC-100 & PS-100, which have been discontinued by the manufacturer.
  • 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. 
  • On-screen temperature display (C/F).
  • Installs easily in minutes. 
  • Includes one sensor probe (at no extra cost).
  • EC Range:  0-9999 µS
  • TDS Range: 0 - 5000 ppm
  • Temperature Range: 1-75°C; 33-167 °F 
  • Accuracy: ±2% 
  • Conversion Factor: NaCl (avg. 0.5)
  • Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999)
  • ATC: Yes (1 - 65°C)
  • Calibration: Adjustable (manual)
  • Setting: Controlled by on-screen up/down buttons
  • Relay Control: The unit will open or close a circuit via dry contacts when the ppm/µS level reaches or exceeds the control setting (simple switch).  It can be used to control a pump, solenoid valve or other device. 
  • Relay Voltage: 5V
  • Alarm: Optional steady beep (set by user)
  • Display: Bright 5/8" L.E.D. display
  • Probe: 1/2" bushing (NPT), 3 meter (9.8 ft) shielded cable
  • 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) 
For more information, please visit this products webpage.