• HM Digital 4 in 1 PH/EC/TDS/TEMP Combo
1 1

HM Digital

HM Digital 4 in 1 PH/EC/TDS/TEMP Combo Meter COM-300L

HM Digital 4 in 1 PH/EC/TDS/TEMP Combo Meter COM-300L

$148.65
$148.65
Sale Sold out

Shipping Restrictions

We ship throughout the lower 48 states.

Bulk Orders

For Pricing on Multiple Units, Custom Freight Quotes & Commercial Discounts Contact Us

Request a Quote

To Request a Quote either use the Quote Request option at checkout (no payment information required) or Contact Us

View full details

The HM Digital COM-300L is a Professional Grade pH/EC/TDS/Temp Combo Meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

  • Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity, and Temperature
  • Five scales: pH, µS, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) Scale
  • Automatic Temperature Compensation (ATC) using three temperature coefficients
  • Waterproof housing (IP-67 rating)
  • Digital Calibration (push button) to any point within the meter’s range
  • Auto-off function, data-hold function, and low-battery indicator
  • Display: large and easy-to-read LCD screen includes simultaneous temperature reading
  • Replaceable Sensor (model SP-C3)
  • Factory Calibrated (pH/EC/TDS)
  • Includes translucent cap, 2 (AAA) alkaline batteries, pH 4 & 7 calibration solutions, pH storage solution, and lanyard