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| After-sales Service: | Maintenance & Refund |
| Warranty: | Maintenance & Refund |
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Factory High Accuracy Online Industry Digital Aquarium Dissolved Oxygen Sensor
| Place OF Origin | HeFei City China |
| Warranty | 1 Year |
| Customized Support | OEM ODM |
| Brand Name | Siko Sensors |
| Model Number | HG-DS |
| Product Name | Water Dissolved Oxygen Meter |
| Measuring Range | 0.00...20.00mg/l(ppm) |
| Accuracy | 2% or ± 10 ppb |
| Temperature compensation | NTC22K |
| Principle | Polarography |
| Power Supply | AC 220V |
| Output Signal | RS485 / 4-20mA / Relay |
| Temperature Range | 0-60 Deg.C |
| Material | SS 316 & PC |
| Protection Grade | IP65 / IP68 |
| Functions | % sat | ppm | mg/L | ug/L |
| Measuring Range | 0.00-400.00 | 0.00-40.00 | 0.00-40.00 | 0.00-200.00 |
| Temp. Compensation | Pt 1000 / NTC22K | |||
| Temp. Range | -10.0 - +130.0ºC | |||
| Temp. Compensation Range | -10.0 - +130.0ºC | |||
| Temp. Resolution | 0.1ºC | |||
| Temp. Accuracy | ±0.2ºC | |||
| Ambient Temperature Range | 0 - +70ºC | |||
| Storage Temp. | -20 - +70ºC | |||
| Display | Back Light Dot Matrix | |||
| Current Output & 1 | Isolated 4-20mA Output (Max. Load 500Ω) | |||
| Temp. Current Output & 2 | Isolated 4-20mA Output (Max. Load 500Ω) | |||
| Current Output Accuracy | ±0.005nA | |||
| RS485 | Mod_bus RTU protocol | |||
| Baud Rate | 9600/19200/38400 | |||
| Maximum Relay Contacts Capacity | 5A/250VAC (5A/30VDC) | |||
| Cleaning Setting | ON: 1 to 1000 Seconds & OFF: 0.1 To 1000.0 Hours | |||
| One Multi Function Relay | Clean / Period Alarm / Error Alarm | |||
| Relay Delay | 0-120 Seconds | |||
| Data Lgging Capacity | 500,000 | |||
| Language Selection | English / Chinese | |||
| Waterproof | IP65 | |||
| Power Supply | AC 90-260 V ( Power Consumption < 7W) | |||
| Installation | Panel / Wall Installation | |||
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