RFQ

PSC-154: TDS/EC Controller with 4-4mA Output

  • NG # 04247-HW-HM-006

The HM Digital PSC-154 is an advanced TDS/EC controller designed for continuous monitoring and automated control of water quality in commercial and industrial systems. It features extended measurement range, digital calibration, and a 4–20mA output for seamless integration with control systems.

Manufactured By :
HM Digital
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Call +88 01714243446

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Overview

The HM Digital PSC-154 is a high-performance controller engineered to monitor and regulate Total Dissolved Solids (TDS) and Electrical Conductivity (EC) levels in demanding applications. Built for high-output commercial environments, it ensures accurate and reliable water quality management through digital calibration and automatic temperature compensation.

This controller includes a bright LED display for clear visibility, an integrated alarm system for threshold alerts, and relay control to activate external devices such as pumps or valves. Its 4–20mA output enables easy connection to PLC systems for data logging and automation, making it ideal for water treatment, industrial processing, and hydroponic systems.

Specification

·  Measurement Type: TDS (ppm) and EC (µS) 

·  EC Range: 0 – 9999 µS 

·  TDS Range: 0 – 5000 ppm 

·  Temperature Range: 1 – 75°C (33 – 167°F) 

·  Accuracy: ±2% of reading 

·  Resolution: 

  • 0.1 µS/ppm (0–999)  
  • 1 µS/ppm (1000–9999)  

·  Conversion Factor: NaCl (average 0.5) 

·  Automatic Temperature Compensation (ATC): Yes (1 – 65°C) 

·  Calibration: Digital push-button calibration 

·  Output Signal: 4–20mA (±1% accuracy) 

·  Relay Control: Dry contact relay for device control (pump/valve) 

·  Relay Rating: 5A, 250VAC 

·  Set-Point Control: Adjustable via on-screen buttons 

·  Alarm: Audible alarm (user configurable) 

·  Display: Bright LED display with temperature indication 

·  Probe: 1/2" NPT sensor with 3 m cable 

·  Power Supply: AC 110V / 220V 

·  Dimensions: Approx. 7.2 × 7.2 × 11.1 cm 

·  Weight: Approx. 241 g (monitor)

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