RFQ

DM-1: Commercial In-Line Dual TDS Monitor

  • NG # 04259-HW-HM-018

The HM Digital DM‑1 is a commercial‑grade in‑line dual TDS (Total Dissolved Solids) monitor designed to continuously measure and display the TDS levels of both incoming (feed) and outgoing (product) water in filtration systems. It is suitable for use with reverse osmosis (RO), deionized (DI) systems and other water purification applications, providing real‑time water quality data to help monitor system performance.

Manufactured By :
HM Digital
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Call +88 01714243446

Stock

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Overview

The HM Digital DM‑1 commercial in‑line dual TDS monitor offers reliable and accurate water quality measurement by simultaneously displaying the total dissolved solids of both feed and product water. Engineered with advanced microprocessor technology, this device provides a clear real‑time comparison of water quality before and after filtration. The DM‑1 is factory calibrated and includes diagnostic error messaging for dependable performance. Its compact design and included fittings make it suitable for various applications such as potable water systems, aquariums, hydroponics and general water treatment monitoring. An automatic shut‑off function preserves battery life after periods of inactivity, and the unit is easy to install inline with standard quick‑connect fittings.

Specification

  • TDS Measurement Range: 0 to 9000 ppm 
  • Resolution: 1 ppm (100–999 ppm), 10 ppm (1000–5000 ppm) 
  • Accuracy: ±2% 
  • Conversion Factor: NaCl (average 0.5) 
  • Cable Length: 0.6 m (2.0 ft) 
  • Sensors: Dual, 1/4‑inch diameter for quick‑connect fittings 
  • Calibration: Factory calibrated (analog) 
  • Power Source: 2 × 1.5 V batteries (LR44 / button cells) 
  • Automatic Power‑Off: Shuts off after 10 minutes of inactivity 
  • Fittings: Two 1/4‑inch T‑fittings included (3/8″ or 1/2″ options available) 
  • Dimensions: 7.6 × 2.0 × 4.7 cm (3.0 × 0.8 × 1.9 in) 
  • Weight: 79 g (2.8 oz)

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