Dual TDS Sensor Probes (for DM-1)

  • NG # 04245-HW-HM-004

The HM Digital SP-2 is a dual TDS sensor probe designed for use with the DM-1 monitor, featuring stainless steel sensors and integrated temperature sensing for accurate and reliable water quality measurement.

Manufactured By :
HM Digital
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Overview

The SP-2 is a high-quality replacement sensor probe set engineered specifically for HM Digital DM-1 inline monitors. It consists of dual probes that measure total dissolved solids (TDS) with precision, making it ideal for water filtration systems, reverse osmosis setups, and industrial water monitoring applications. Built with durable stainless steel sensors and equipped with temperature sensing capability, the SP-2 ensures consistent performance and long-term reliability in demanding environments.

Specification

  • Product Type: Dual TDS sensor probes (pair) 
  • Compatibility: Designed for DM-1 monitor 
  • Sensor Material: Stainless steel 
  • Probe Size: 1/4 inch 
  • Cable Length: 24.5 inches (62.2 cm) 
  • Connector Type: 8-pin connector 
  • Number of Probes: Dual probes (IN and OUT labeled) 
  • Temperature Sensor: Integrated thermometer pins 
  • Measurement Range: 0–10,000 ppm (TDS) 
  • Cell Constant: Approx. 1.4 cm⁻¹ 
  • Operating Temperature Range: 4°C to 80°C 
  • Standard Cable Length (spec sheet): Approx. 0.6 m 
  • Signal Output: Approx. 60 mV 
  • Voltage Requirement: 3V 

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