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Help CenterGWQ-DO280 Fish Farm do Online Dissolved Oxygen Sensor
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Dissolved Oxygen Meter is one of the intelligent online chemical analysis instruments. It is widely used in continuous monitoring of dissolved oxygen, saturation, oxygen partial pressure and temperature .The continuous monitoring data is realized by remote transmission monitoring and recording through the transmission output connection recorder. It can also be connected to the RS485 interface and can be easily connected to the computer for monitoring and recording through the MODBUS-RTU protocol.
Model |
GWQ-DO280 |
Measuring principle |
Membrane (polarography) |
Screen size |
2.8 inch(128*64) |
|
Measuring range |
Oxygen content:0~20mg/L |
| Saturation:0~200% | |
| Oxygen partial pressure:0~400hPa | |
Accuracy |
±1.5%FS |
|
Resolution |
Oxygen content:0.01mg/L |
| Saturation:0.1% | |
| Oxygen partial pressure:1hPa | |
| Repeatability | ±0.5%FS |
| Temperature range | -10~+60℃ |
Resolution(temperature) |
0.1℃ |
Correction accuracy (temperature) |
±0.5℃ |
| Temperature measurement type | Manual/Auto(NTC10K / PT1000) |
| Power supply | AC220V±10%,50Hz/60Hz |
| Relay alarm | 250VAC/3A |
| Communication | RS485(compatible with MODBUS RTU) |
Transmitting function |
Isolated transmission 4-20mA output, maximum loop 750Ω, 0.1% FS |
1.Controller Installation
Open a 92.5 * 92.5 mounting hole on the instrument cabinet or mounting panel (this product is 100*100*150mm ) , insert the meter into the mounting hole and fasten the butterfly button, as shown below :
2.Electrode installation
It is widely used in continuous monitoring of dissolved oxygen, saturation, oxygen partial pressure and temperature in thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water solutions.
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