Hand Held O2 Meter

Handy Polaris 2

The Handy Polaris 2 is a hand-held dissolved oxygen and temperature meter with data logging and data transfer capabilities. The flat foil pushbuttons are easy to operate and the instrument is always ready to use – just press the “on” button and measure.

Dissolved oxygen values are shown both in mg/l (ppm) and % saturation - the user chooses which parameter is shown in large figures.


handy_polaris_2Handy Polaris 2 has a memory can contain 3000 complete sets of data – each containing values of mg/l (ppm), % saturation, temperature, time and date. Values can be stored either automatically at pre-set time intervals, or manually. You can group values according to the place of measurement. Stored values can be transferred to a PC using the Polaris Link, which connects to the PC via a USB cable.

The new data logging and transfer capabilities, and other functions such as automatic calibration and self-check of the probe and meter, combine with the well-known accuracy, reliability and low maintenance needs of the Handy series to make an instrument that will serve you well for many years to come.

Technical Advantages


  • Automatic calibration with stability check.
  • Automatic self-check of instrument, cable and probe.
  • Compensates for changes in atmospheric pressure
  • User selectable language and main display parameter.
  • “On-screen” instructions.
  • Waterproof.
  • 1400 hours use from one 9V alkaline battery.
  • Illuminated display with variable intensity.
  • Stores 3000 sets of full data
  • Automatic or manual data logging
  • Data transfer to PC using link and USB cable


  • Galvanic type.
  • Self-polarizing.
  • No warm up time.
  • Fully temperature compensated.
  • Remarkably short response time.
  • Stores dry.
  • Excellent long-term stability.
  • Tough membrane.
  • No need for regular service or renovation.
  • Probe renovation easy and fast when needed.
  • Spares available at very low price


  • Display: Large, easy to read graphical LCD display. Variable backlight.
  • Probe Type: Galvanic cell, self-polarising, self-temperature compensating.
  • Cable Length: Standard 3 m. Any length available on request.
  • Operating Conditions: Probe: -5 to +45°C, meter -20 to +60°C.
  • Encapsulation (meter): Short-term immersion proof to max. 5m depth.
  • Measuring Range: 0-60.0 ppm (mg/l) and 0-600% saturation. Automatically compensated for temperature and barometric pressure. Manual salinity compensation.
  • Temperature -5 to +45°C.
  • Salinity Compensation: 0-59 ppt salinity (manually set).
  • Accuracy: Depends on calibration accuracy. Typically better than +/- 1% of measured value +/- 1 digit within the standard measuring range.
  • Repeatability: Typically better than +/- 0.5% of measured value.
  • Response Time: 90% of end value in less than 20 seconds in water.
  • Accuracy, Temperature: +/- 0.2°C.
  • Datalog capacity: Over 3000 sets of complete information (mg/l, %sat, temperature, events etc.)
  • Dimensions: 98 mm diameter x 36 mm + belt clip (if used).
  • Self-check of: Probe function, meter function, cable, battery.
  • Useful battery life: Typically 500 hours normal use, max. 2 years.
  • Standard Accessories: Membranes with O-rings, electrolyte, cathode cleaning pad, storage pouch