RFQ

In-line Single TDS Monitor

  • NG # 04260-HW-HM-019

The HM Digital SM‑1 In‑Line Single TDS Monitor is a compact water quality monitoring device designed to measure Total Dissolved Solids (TDS) in a single water line. It provides an easy‑to‑read digital display of TDS levels and is suitable for use with reverse osmosis systems, coolers, and other filtration setups.

Manufactured By :
HM Digital
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Call +88 01714243446

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Overview

The HM Digital SM‑1 is a user‑friendly inline TDS monitor engineered to deliver precise Total Dissolved Solids readings for a single water line. It integrates seamlessly into water filtration systems and gives real‑time digital feedback to help assess water quality and determine filter performance. The unit includes factory calibration and an auto‑off feature that conserves battery life, shutting off after ten minutes of inactivity. Its installation is quick and straightforward, and it comes equipped with a standard quick‑connect fitting, with options for different sizes to suit various plumbing configurations. The monitor’s robust design and accurate measurement capability make it a reliable choice for both residential and light commercial water monitoring applications.

Specification

  • TDS measurement range: 0–9990 ppm 
  • Resolution: 1 ppm (0–999 ppm) and 10 ppm (1000–9990 ppm) with indicator 
  • Accuracy: ±2% 
  • Conversion factor: NaCl (average 0.5) 
  • Power source: 2 × 1.5V button cell batteries (LR44, included) 
  • Battery life: approximately 1000 hours of continuous use 
  • Cable length (sensor included): 24.5 inches 
  • Fittings: standard 1/4″ (also available in 3/8″ or 1/2″) 
  • Auto‑Off function: shuts off after 10 minutes of non‑use 
  • Size: 7.6 × 2 × 4.7 cm (approximately) 
  • Weight: ~79.4 g

Other HM Digital Products

Single TDS Sensor Probe
HM Digital Industrial Tools & Accessories 04246-HW-HM-005

DM-2: Commercial In-Line Dual TDS Monitor
HM Digital Industrial Tools & Accessories 04257-HW-HM-016

DM-3: Commercial In-Line Dual EC/TDS Monitor
HM Digital Industrial Tools & Accessories 04256-HW-HM-015

DM-2EC: Commercial In-Line Dual EC Monitor
HM Digital Industrial Tools & Accessories 04258-HW-HM-017

PSC-54: Single Line, EC/TDS Mini Controller with 4-20mA Output
HM Digital Industrial Tools & Accessories 04249-HW-HM-008

PSC-154: TDS/EC Controller with 4-4mA Output
HM Digital Industrial Tools & Accessories 04247-HW-HM-006

Dual TDS Sensor Probes (for DM-2)
HM Digital Industrial Tools & Accessories 04244-HW-HM-003

TDS/EC Sensor Probe for Panel Mounted Controllers
HM Digital Industrial Tools & Accessories 04243-HW-HM-002

Dual TDS Sensor Probes (for DM-1)
HM Digital Industrial Tools & Accessories 04245-HW-HM-004

DM-1: Commercial In-Line Dual TDS Monitor
HM Digital Industrial Tools & Accessories 04259-HW-HM-018

PS-203: Dual Display TDS Controller
HM Digital Industrial Tools & Accessories 04253-HW-HM-012

LBS-10: Leak Block Sensor
HM Digital Industrial Tools & Accessories 04242-HW-HM-001

PPH-1000: Single Line pH and Temp Controller
HM Digital Industrial Tools & Accessories 04252-HW-HM-011

PSC-60D: Dual Display, Dual Line EC/TDS Monitor
HM Digital Industrial Tools & Accessories 04254-HW-HM-013

PSC-50: TDS/EC Controller
HM Digital Industrial Tools & Accessories 04250-HW-HM-009

PSC-150: Extended Range EC/TDS Controller
HM Digital Industrial Tools & Accessories 04248-HW-HM-007

In-line Single EC Monitor
HM Digital Industrial Tools & Accessories 04261-HW-HM-020

PSC-64D: Dual Display, Dual Line EC/TDS Monitor w/ 4-20mA Output
HM Digital Industrial Tools & Accessories 04255-HW-HM-014

CIC150-N/ CIC-150-4: Single Control Dosing/Injection TDS/EC
HM Digital Industrial Tools & Accessories 04251-HW-HM-010

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