• TDS meter AP-1
    TDS meter AP-1 TDS meter AP-1 TDS meter AP-1

TDS meter AP-1

What meter to choose? Detailed info and video

  • Measures total dissolved solids (TDS) and temperature.
  • Automatic Temperature Compensation (ATC)
  • Measurement Range: 0-5000 ppm
  • Auto-off function after 5 minutes, data-hold function and low-battery indicator.
  • Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
  • Factory calibrated with a 342 ppm NaCl solution. The meter can be recalibrated using the push buttons and a calibration fluid.


  • Range: 0-5.000 ppm (mg/L)
  • Temp: 0-80 °C; 32-176 °F
  • Unit: 1 ppm; Temp. unit 0,1 °C/F
  • Accuracy: +/- 2%
  • Conversion Factor: NaCl (avg. 0.5)
  • Battery: 1 x 3V button cell CR2032
  • Dimensions: 15x2.8x1.3cm (5.9x1.1x.5inches)
  • Vægt: 42.5g (1.5oz)
  • Water proof and magnetic

Convert between ppm and µS (micro Siemens): For HM Digitals meters: 1 ppm = 2 µS

AP-1 is in relation to TDS-3 newer, smarter, nicer looking, thinner, magnetic and water resistant (NOT waterproof), but with smaller digits in the display, that have to be read vertical. On the TDS-3 the numbers are displayed along the meter - look at the photos or the video, then you know, what I mean.

Link to the manufacturer

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TDS meter AP-1

  • Hersteller HM
  • Artikelnr. AP1
  • Lager 14
  • 31,25€

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