Spectrapure TDS Meter-4 Hand Held TDS Meter w/ Temp Reading
Free Gift


TDS METER-4 from HM DIGITAL Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Carry one in your pocket at all times! Measure the TDS levels or temperature of water anywhere, anytime!
  • Includes an internal digital thermometer (Celsius). Temp. Range: 0-80 degrees Celsius
  • The smallest and lightest TDS meter available on the market.
  • Hold Function - Saves measurements for convenient reading and recording.
  • Auto-off function - Turns off meter after 10 minutes of non-use to conserve batteries.
  • Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be re-calibrated with a mini-screwdriver.
  • Dual Range - Measures from 0 - 999 ppm, (Accuracy: +/-2% ) with a resolution of 1ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking image.
  • Recommended for aquariums & aquaculture , horticulture & hydroponics , pools & spas and water cooler professionals.
  • Resolution: 1 ppm, 1 degree Celsius
  • ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees C. (33 to 122 degrees F.)