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Introduction
A dissolved oxygen sensor in water is a device that is used to measure the amount of oxygen that is dissolved in water. It is a critical sensor for monitoring the health and quality of aquatic environments, such as rivers, lakes, and oceans. The sensor works by using a membrane that is sensitive to oxygen, which is exposed to the water.
The oxygen in the water diffuses through the membrane and reacts with the sensor, generating a signal that is proportional to the amount of oxygen present. This information can then be used to assess the health of the water and make informed decisions about managing it.
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Specification
| Product | Dissolved oxygen sensor |
| Model | SIN-DO7012 |
| Measurement range | DO: (0~20)mg/L or (0~200)% saturability Temperature: (0~45)℃ with automatic temperature compensation |
| Measurement accuracy | DO: ±3% or ±0.3 mg/L of measured value,maximax criterion; Temperature: ±0.5℃ |
| Pressure range | ≤0.3 Mpa |
| Power supply | 9-28 VDC |
| Materials | SUS316L (Ordinary Version) |
| Titanium Alloy (Seawater Version) | |
| Up and down cover: PPS + glass fiber, Cable: PUR | |
| Cable length | Standard 10-Meter Cable, Max: 100m |
| Operating temperature | (0~45)℃ (not freeze) |
| Weight | 1.4KG |
| Resolution | 0.01mg/L |
| Storage temperature | (-15~+60)℃ |
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Communication Protocol
| MODBUS-RTU | |
| Baud Rate | 4800/9600/19200/38400/57600 |
| Data Bits | 8 bit |
| Parity Check | no |
| Stop Bit | 1bit |
| Register Name | Address Location | Data Type | Length | Read/Write | Description |
| Dissolved Oxygen Value | 0 | F(Float) | 2 | R(only read) | |
| Dissolved Oxygen Concentration | 2 | F | 2 | R | |
| Temperature | 4 | F | 2 | R | |
| Slope | 6 | F | 2 | W/R | Range:0.5-1.5 |
| Deviation Value | 8 | F | 2 | W/R | Range:-20-20 |
| Salinity | 10 | F | 2 | W/R | |
| Atmospheric Pressure | 12 | F | 2 | W/R | |
| Baud Rate | 16 | F | 2 | R | |
| Slave Address | 18 | F | 2 | R | Range: 1-254 |
| Response Time of Read | 20 | F | 2 | R | |
| Modift Baud Rate | 16 | Signed | 1 | W | |
| Modify Slave Address | 17 | Signed | 1 | W | Range: 1-254 |
| Modify Response Time | 30 | Signed | 1 | W | 6-60s |
