Partech (Electronics) Ltd.

- Model Handy Polaris - Portable Dissolved Oxygen Monitor

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The Handy Polaris is the first Handy with the second generation Handy Probe and microprocessor controlled electronics. The Polaris benefits from advances in sensor performance and improved calibration accuracy whilst maintaining the ease of use of the Handy Beta. Measuring Dissolved Oxygen in Activated Sludge Plants is a vital part of process control. The Polaris makes this an easy, fast and reliable process, allowing users to check process performance and the accuracy of any online instrumentation. The Polaris is also great for monitoring DO in Reservoirs, Rivers, Aquaculture and water treatment process.

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The handheld monitor has a large display and an extremely long battery life – many months of normal operation. The system carries out a self-check process every time it is switched on and will carry out calibration of the system at the push of a button. The long standing ability to store the probe dry removes the need for regular probe regeneration and means that the system is ready for us straight from the bag.

The Handy Polaris is supplied with a self polarising, galvanic sensor which is self temperature compensating and can be stored dry. There is no need for any maintenance other than wiping the sensor clean after use. The power consumption is exceptionally low, typically providing 1400 hour use from a single 9V battery.

  • Activated Sludge Plant
  • River Monitoring
  • Aquaculture

  • Long Sensor Life
  • Store Electrode Dry
  • Easy to use

Physical

  • Dimensions (hxwxd) : Monitor: 98mm Diameter x 36 mm
  • Weight : 0.5 kg
  • Protection Class :
    • Electronics: IP65
    • Sensor: IP68 to 5 metres
  • Enclosure Material : Polyoxymethylene (POM)
  • Cable Entry : Integral Cable Gland
  • Cable Lenght : 3 metres standard, 100 metre maximum

Electrical :

  • Power Supply : Standard PP9, 9V Battery
  • Battery Life : Approximately 2 years with 1 hour's use per day, 5 months with 8 hours per day

Environmental Data :

  • Operating/Storage Temperature : Monitor: -20 to 60ºC
  • Sensor: -5 to 45ºC
  • Location : Portable Indoor/Outdoor

User Interface :

  • Display : Graphical providing 3 1/2 digit Display
  • Setup : via 6 Button Membrane Keypad
  • Self Checking : Power Up check of Probe Function, Electronic Function, Cable and Battery Condition
  • Units of Measurement : mg/l, ppm, %Sat

  • Dissolved Oxygen Range : 0-60 mg/l (ppm), 0-600 %Sat
  • Principal of Operation : Galvanic Cell, Self-Polarising, Self Temperature Compensating
  • Accuracy : Better than +/- 1% of measured value
  • Repeatability : Better than +/- 0.5% of measurement
  • Response Time : 90% of end value in less than 20 seconds in water
  • Temperature Range : -5 to 45°C
  • Temperature Accuracy : +/- 0.2°C
  • Salinity Compensation : 0-59 ppt - manually set
  • Temperature Compensation : Automatic
  • Barometric Pressure Compensation : Automatic

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