产品描述：
Portable Dissolved Oxygen Monitoring
Handy Polaris - a breakthrough in functionality. Polaris is the first of a new generation of Handy Meters!
As with the first Handy you can switch it on, put it in the water and measure, but measurements made with the Polaris are supported by a range of advanced functions designed to make things even easier：
Large Display
Automatic Calibration
Choice of units
Automatic self-check
Automatic probe check
Barometric Pressure Compensation
Extremely long battery life
New probe design - faster and even more accurate, longer intervals between measurement
Polaris - measurement power at your fingertips - an instrument you can rely on!
技术参数：
Physical
Weight Monitor: 0.5 kg
Sensor: 0.6 kg (inc 5 metres of cable)
Dimensions (hxwxd) Monitor: 224 x 106 x 39 mm
Sensor: 45 mm Diameter, 155 mm long
Enclosure Rating Electronics IP65, Sensor IP68
Enclosure Material Monitor: Polyoxymethylene
Sensor: Polyoxymethylene
Cable Entries Integral Cable Gland
Cable Size 3 core, 5 mm OD
Cable Length 3 metres standard, 100 metres maximum
Environmental Data
Operating Temperature Monitor -20 to 60ºC, Sensor -5-45ºC
Storage Temperature -20 to 60ºC
Location Portable
Power Supply
Battery Standard PP9
Battery Life approx 2 years with 1 hours use per day, 5 months with 8 hours use per day
Measurement Principle
Principle Galvanic Cell, Self Polarising
Salinity Compensation 0-59 ppt - manually set
Pressure Compensation Self Compensating
Temperature Compensation Self Compensating
Measurement Characteristics
Response Time 90% of end value in less than 20 seconds
Accuracy +/- 1% of measured value
Repeatability +/- 0.5% of measured value
Range 0-60 mg/l
0-600 %SAT
User Interface
Display Graphical Display providing 3 1/2 Digits with 2 message lines
Setup via 6 button keypad
Self Checking Probe Function, Electronic Function, Cable, Battery Condition
Units of Measurement mg/l, ppm, %SAT
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