The A10DO is a cheap, smart online dissolved oxygen controller that may be used to check the quality of water for cleaning up sewage and providing water. It measures both temperature and DO at the same time with great accuracy. The device has programmable relays, temperature corrections, and separate signal outputs. You may also easily flip between the Chinese and English panels. The PP1120-200 submerged sheath and TS-120-10M dissolved oxygen electrode make it easy, stable, and adaptable. This makes it straightforward and affordable to keep an eye on the levels of dissolved oxygen.
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Features
Specifications
| Category | Specifications |
|---|---|
| Measurement Range | Dissolved Oxygen (DO): 0~20mg/L, 0.0~20.0mg/L, 0.00~20.00mg/LTemperature: 0~60℃ (measurement), 0~100℃ (temperature compensation range) |
| Measurement Accuracy | DO: ±0.3mg/LTemperature: ±0.3℃ |
| Resolution | DO: 0.01mg/LTemperature: 0.1℃ |
| Stability | ≤±0.3mg/L/24 hours |
| Temperature Compensation | Dual modes: Automatic (PT1000/NTC10K) / Manual |
| Signal Output | 1 channel of 4~20mA isolated output (corresponding to DO value or temperature); optional 2 channels of 4~20mA output or RS485 Modbus RTU communication; maximum load resistance: ≤500Ω |
| Alarm Output | 2 groups of normally open contact relays (3A/250VAC), supporting high/low point alarm; 1 set of electrode automatic cleaning contact |
| Power Supply | Optional AC220V or DC24V; power consumption: ≤5W |
| Physical Parameters | Dimensions: 96×96×132mm (H×W×D)Cutout Size: 92.5×92.5mm (H×W)Mounting Type: Panel-mounted |
| Operating Environment | Ambient Temperature: 0~50℃Relative Humidity: ≤85%RH (no strong magnetic interference) |
Standard Configuration
- Host: A10DO
- Dissolved oxygen electrode: TS-120-10M
- Submerged electrode sheath: PP1120-200
Core Highlights
- Stable and reliable: Measurement accuracy of ± 0.3mg/L, strong 24-hour stability, outstanding anti-interference ability of isolated signal output.
- Flexible installation: Embedded installation on the panel, paired with submerged/flow-through installation accessories, suitable for on-site conditions such as sewage treatment and water supply.
- Practical function: Two sets of relays support high and low point alarms, and the hysteresis can be freely adjusted; Equipped with electrodes for automatic cleaning of contacts, reducing maintenance frequency.
- Energy saving and efficient: Power consumption ≤ 5W, energy-saving and environmentally friendly, suitable for long-term continuous operation.
Featured Applications
- Monitoring the amount of dissolved oxygen in aeration tanks and secondary sedimentation tanks all the time, along with aeration equipment, is an important part of treating waste in cities.
- Water supply industry: Dissolved oxygen testing of source water and pipeline water in waterworks to ensure that drinking water quality meets standards.
- Conventional environmental monitoring: small and medium-sized water quality monitoring stations, routine dissolved oxygen monitoring of surface water.
- Other scenarios: ordinary industrial circulating water, routine monitoring of aquaculture, and other scenarios that require moderate dissolved oxygen accuracy.
Daily maintenance and precautions
Maintenance points
- Electrode maintenance: Regularly (6-12 months) clean the electrode membrane to avoid oil stains and sediment adhesion; Check the electrolyte every 6 months and replenish or replace it promptly when it dries up; When not in use for a long time, it is necessary to clean and put on a protective cap.
- Instrument maintenance: Keep the casing clean and avoid direct sunlight and corrosive environments; Calibrate the measurement accuracy every 6-12 months and check whether the wiring terminals are oxidized or loose.
- Cleaning and maintenance: Regularly engage the automatic cleaning equipment to remove electrode surface attachments and ensure measurement response speed using specialized cleaning connections.
Safety precautions
- Before installation and wiring, experts must unplug and turn off the power to avoid getting shocked.
- When connecting a relay to high-power equipment, use an extra relay to protect against contact overload damage.
- To keep the internal parts from getting damaged, the temperature must be kept between 130 and 150 degrees Celsius during electrode disinfection.
- To measure ultra-low dissolved oxygen, the sample must not have any bubbles and must flow steadily.
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Its “practical, stable, and cost-effective.” A10DO online dissolved oxygen controller is suitable for most water quality monitoring applications. Its easy installation, use, accurate readings, and low maintenance make it ideal for the sewage treatment and water supply industries. A full conventional dissolved oxygen monitoring solution includes specialized electrodes and installation kits to make water quality monitoring easy and affordable.
We provide professional selection guidance, installation support, and after-sales service. If you need technical consultation or accessory procurement, please feel free to contact us at any time to make water quality monitoring more efficient and worry free!
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