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- Dissolved Oxygen Meters & Accessories
Product Description

The Polaris C Handheld Oxygen meter is durable and easy to use!
The Polaris C is a best seller because it is durable, long-lasting, and easy to use and maintain.
Polaris C can be quickly calibrated in the air, and takes both temperature and oxygen readings. Come with a storage carry case and maintenance kit to keep your handheld with you for years.
Technical Specifications
Key benefits | High accuracy, Easy-to-do calibration, Automatic check of the hardware, Automatic compensation for barometric pressure and temperature, Water-resistant, Automatic or manual data logging of up to 2500 full sets of data, Bluetooth and NFC technology for direct upload to Cobália, Low power consumption: ~500 hours of active use with 1 AA battery, Immediate response time, Variable display options and unit use, Self-polarizing and temperature compensating electrochemical probe, Long-term stability |
Units of measurement | Oxygen: ppm (mg/L), % saturation. Temperature: degrees Celsius (°C), degrees Fahrenheit (°F) |
Weight | 0,6 kg (0,8 kg incl. bag)/ 1.3 lbs (1.8 lbs incl. bag) |
Display | Graphical LCD display with variable backlight |
Probe type | Electrochemical |
Cable length | Standard 3 m. Available at any length up to 50 meters by request |
Operating temperature | Probe: -5 to +45 degrees Celsius (°C) and +23 to +113 degrees Fahrenheit (°F). Meter: -20 to +60 degrees Celsius (°C) and -4 to 140 degrees Fahrenheit (°F) |
Waterproof | Short-term immersion proof to 5m depth |
Response time | To 90% in less than 20 seconds |
Measuring range | : Oxygen: 0-60 mg/L and 0-600 % saturation. Temperature: -5 to +45 degrees Celsius (°C) and +23 to +113 degrees Fahrenheit |
Measuring accuracy | Oxygen: typically ± 1% of measured value. Temperature: ± 0.2 degrees Celsius/Fahrenheit (°C/°F) |
Data logging capacity | 2500 sets of data with up to 99 data groups |
Salinity compensation range | 0-59 ppt, manually set |
Automatic check of | Probe function, meter function, cable and battery |
Automatic compensation | Temperature and barometric pressure (0-7000 m a.s.l) |
Dimensions | Dimensions meter: Length = 98 mm, diameter = 36 mm (Length: 3.86 in, diameter: 1.42 in) Dimensions probe: Length = 159 mm, diameter = 22 mm (6.26 in, 0.87 in). With protection cap: Length = 176 mm, diameter = 29 mm (6.93 in, 1.14 in) |
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