
HM Digital PSC-154 EC/TDS/Temperature Controller
Product Summary:
The HM Digital PSC-154 is a precise EC/TDS/Temperature controller designed for continuous monitoring and control in water treatment, chemical processing, and industrial applications.
Key Features:
EC Range: 0-9999 µS
TDS Range: 0–5000 ppm
Temperature Range: 1–75°C (33–167 °F)
Digital calibration via push-button
Bright 5/8″ LED display
ATC: 1–65°C
Adjustable set-point with relay control
Output signal: 4–20mA (±1%)
Alarm: Optional steady beep
NPT probe with 3m cable
AC 110V / 220V power
Application:
Industrial water treatment systems
Chemical dosing and mixing plants
Cooling towers and boilers
Aquaculture and hydroponics
RO/DI water purification systems
Product Benefits:
High accuracy (±2%) for critical monitoring
Easy on-screen set-point control
Integrates with pumps or solenoid valves
Digital push-button calibration
Compact and lightweight design
FAQs:
Q.1 What is the purpose of the relay control in the PSC-154?
The relay enables automatic control of external devices like pumps or valves when the EC/TDS exceeds the set limit.
Q.2 Can this controller be used in high-temperature water applications?
Yes, it supports temperature monitoring up to 75°C and includes Automatic Temperature Compensation (ATC).
Q.3 Is the calibration manual or automatic?
The PSC-154 features simple digital calibration using a push-button interface.