产品描述：
Dissolved Oxygen Monitor
The Atlantic Monitor has been designed to provide accurate, highly reliable measurements in difficult highly fouling applications. The specifically designed sensor utilises a rugged, 100 micron membrane, in combination with a unique electrolyte to provide excellent long term stability, without the need for sensor replenishment or replacement.
The result is amazing - the output is so stable that it can measure accurately for years with practically no attention. Service intervals of five years have been reported! Maintenance is as simple as wiping the membrane clean and checking the calibration from time to time. If it should ever be necessary to replace the membrane, this can be done quickly, easily and at very little cost. When combined with the EasyCal calibration is carried out in 2 minutes with the probe in water. As the sensor does not need to acclimatise in air, errors do not occur by hurried calibrations
In addition to a 4-20 mA output signal the Atlantic offers 4 relays which can be programmed by up to 6 set points and 4 timers.
To make installation as easy as possible and to help achieve the best possible results we recommend using the Pioneer Probe holder. This places the sensor approximately 300 mm below the surface away from the surface effects of rain, sunshine and fouling. The flexible joint in the mounting shaft allows the sensor to move, providing an anti-fouling and anti-ragging action
技术参数：
Physical
|
Weight |
Monitor: 1.2 kg |
|
Sensor: 0.4 kg (inc 5 metres of cable) |
|
Dimensions (hxwxd) |
Monitor: 185 x 213 x 60 mm |
|
Sensor: 58 mm Diameter, 56 mm long |
|
Enclosure Rating |
Electronics IP65, Sensor IP68 |
|
Enclosure Material |
Monitor: ABS |
|
Sensor: Polyoxymethylene |
|
Cable Entries |
Integral Cable Gland |
|
Cable Size |
3 core, 5 mm OD |
|
Cable Length |
10 metres standard, 100 metres maximum |
Environmental Data
|
Operating Temperature |
Monitor -20 to 60ºC, Sensor 0-50ºC |
|
Storage Temperature |
-20 to 60ºC |
|
Location |
Indoor/Outdoor |
Power Supply
|
Power |
115 or 230 VAC |
|
9-36VACOutputs |
|
Analogue |
4-20 mA, Galvanically Isolated |
|
Max Load 820 ohm |
|
Relays |
4, with 6 set points |
Measurement Principle
|
Principle |
Galvanic Cell, Self Polarising |
|
Temperature Compensation |
Self Compensating |
Measurement Characteristics
|
Response Time |
90% of end value in less than 120 seconds |
|
Accuracy |
+/- 2% of measured value |
|
Repeatability |
+/- 0.5% of measured value |
|
Range |
0-20 mg/l |
|
0-200 %SAT |
|
Flowrate |
Typcially less than 10 cm/seconds |
User Interface
|
Display |
Graphical Display providing 4 Digits, 13 mm high |
|
Setup |
membrane Keypad |
|
Units of Measurement |
mg/l, ppm, %SAT |
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