- Multi-parameter Water Analyzer
- Single-Parameter Water Aalyzer
- DO Sensor
- Trace DO Sensor
- CO₂ Sensor
- COD Sensor
- EC TDS Sensor
- Salinity EC TDS Sensor
- TSS Sensor
- Turbidity Sensor
- PH Sensor
- ORP
- Ion Selective Sensor
- Ammonia Nitrogen Sensor
- Oil in Water Sensor
- Blue-Green Algae Sensor
- Chlorophyll Sensor
- Residual Chlorine Sensor
- Marine Current Sensor
0102030405
Dissolved Oxygen Sensor Meter - 316L Stainless DO Probe from China Suppliers & Factory for Accurate Monitoring
Product Parameters
| Product Name | Dissolved Oxygen Sensors |
| Model | LMS-DOS10B |
| Respond Time | < 120s |
| Range | 0~60℃、0~20mg⁄L |
| Accuracy | ±0.1-0.3mg/L |
| Temperature Accuracy | <0.3℃ |
| Working Temperature | 0~40℃ |
| Storage Temperature | -5~70℃ |
| Power | 9-24VDC(Recommend 12 VDC) |
| Material | Polymer Plastic / 316L / Ti |
| Size | φ32mm*170mm |
| Sensor Interface Supports | RS-485, MODBUS protocol |
| Applications | Suitable for online monitoring of clean water quality. Temperature built-in or external. |
Product Features
①
Advanced Fluorescence Technology: Utilizes fluorescence lifetime measurement to deliver stable, precise dissolved oxygen data without oxygen consumption or flow rate limitations, outperforming traditional electrochemical methods.
②
Fast Response: Response time <120s, ensuring timely data acquisition for various applications.
③
Reliable Performance: High accuracy 0.1-0.3mg/L and stable operation within working temperature range of 0-40°C.
④
Easy Integration: Supports RS-485 and MODBUS protocol for seamless connectivity, with power supply of 9-24VDC (recommended 12VDC).
⑤
Low Maintenance: Eliminates the need for electrolyte replacement or frequent calibration, reducing operational costs and downtime.
⑥
Robust Construction: Features IP68 waterproof rating for protection against water immersion and dust ingress, paired with 316L stainless steel material, ensuring durability and suitability for harsh industrial or aquatic environments.



Application
🔬 Handheld Detection:
Ideal for on-site water quality assessment in environmental monitoring, research, and quick field surveys, where portability and fast response are crucial.
💧 Online Water Quality Monitoring:
Suitable for continuous monitoring in clean water environments such as drinking water sources, municipal water treatment plants, and industrial process water, ensuring water quality safety.
🐟 Aquaculture:
Specifically designed for harsh aquaculture water bodies, helping monitor dissolved oxygen levels to maintain optimal aquatic health, prevent fish suffocation, and improve aquaculture efficiency.
More Products
| Digital RS485 Water Quality Sensors Technical Data | ||||||
| No. | Picture | Product Name | Model | Range | Accuracy | Resolution |
| 1 | ![]() |
DO sensor | LMS-DO10B | 0-20mg/L, 0-60℃ | ±0.1-0.3mg/L | 0.01mg/L |
| 2 | ![]() |
DO sensor | LMS-DO10C | 0-20mg/L, 0-60℃ | ±0.3mg/L | 0.01mg/l |
| 3 | ![]() |
Trace DO sensor | LMS-TDO100 | 0-2000ppb, 0-50℃ | ±1ppb | 1ppb |
| 4 | ![]() |
PH sensor | LMS-PH100 | 0-14pH | ±0.02pH | 0.01pH |
| 5 | ![]() |
ORP sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV | 0.1mV |
| 6 | ![]() |
EC/TDS sensor | LMS-TDS102 | CT: 0-9999uS/cm; 0-100mS/cm; TDS: 0-10000ppm | ±2.5%FS | 1uS/cm, 0.01mS/cm, 1ppm |
| 7 | ![]() |
Salinity/EC/TDS sensor | LMS-SAL104 | Conductivity: 0.1-500 mS/cm; TDS: 0-60000ppm; Salinity: 0-500.00ppt | ±1.5%FS | 1uS/cm, 0.01mS/cm, 1ppm, 0.01ppt |
| 8 | ![]() |
COD sensor | LMS-COD100 | COD: 0.1-1500mg/L; TOC: 0.1-750mg/L; BOD: 0.1-900mg/L; Turbidity: 0.1-4000NTU; Temp: 0-50℃ | ±5% equiv.KHP; Temp: ±0.5℃ | 0.01mg/L equiv.KHP |
| 9 | ![]() |
TSS sensor | LMS-TSS100 | 0-50000mg/L / 0-120000mg/L | ±10%FS or 10 mg/L | 0.1mg/L or 1mg/L |
| 10 | ![]() |
Turbidity sensor | LMS-TUR10L | 0-100NTU | ±10%FS or 0.3 NTU | 0.01NTU |
| 11 | ![]() |
Turbidity sensor | LMS-TUR10H | 0-3000NTU | ±10%FS or 0.3 NTU | 0.01NTU |
| 12 | ![]() |
CO2 sensor | LMS-CO2100 | 2000PPM / 10000PPM / 50000PPM | ±5%FS | 1ppm |
| 13 | ![]() |
Ammonia Nitrogen sensor | LMS-NH4100 | 0-1000 mg/L | ±5%FS | — |
| 14 | ![]() |
Ion Selective sensor | LMS-ION100 | 0-1000 mg/L | ±5%FS | — |
| 15 | ![]() |
Oil in Water sensor | LMS-OIL100 | 0-50 mg/L; 0-5 mg/L | ±3%FS | 0.01ppm |
| 16 | ![]() |
Chlorophyll sensor | LMS-CHL100 | 0-500ug/L | ±3%FS | 0.1ug/L |
| 17 | ![]() |
Blue-Green Algae sensor | LMS-BGA100 | 0-2,000,000 cells/ml | ±3%FS | — |
| 18 | ![]() |
Residual Chlorine sensor | LMS-HCLO100 | 0 - 20.00 ppm | ±5%FS | 0.001 / 0.01ppm |
| 19 | ![]() |
Marine Current sensor | LMS-Current100 | Temp: -3℃~45℃; Velocity: 0-500 cm/s; Direction: 0-359.9° | ±0.05℃; ±1 cm/s or ±2%; ±2° | Temp: 0.001℃; Velocity: 0.1 cm/s; Direction: 0.1° |
| Water Quality Analyzer Equipment | ||||||
| No. | Picture | Product Name | Model | Size | Power | Display Output |
| 20 | ![]() |
Portable DO Analyzer | LMS-PA100 | 100mm*204mm | <0.5W; 7.5V, 5 batteries | LCD display screen |
| 21 | ![]() |
Multi-parameter Portable Water Analyzer | LMS-PA100P | 220mm*120mm*100mm | Rechargeable lithium battery with 220V DC charging adapter | LCD display screen |
| 22 | ![]() |
Multi-parameter Touch-screen Online Analyzer | LMS-OA200T | 180mm×230mm×100mm | AC 220 VAC | 7-inch touch screen |
Frequently Asked Questions (FAQ)
Q What technology does the LMS-DOS10B dissolved oxygen sensor use?
A The LMS-DOS10B uses advanced fluorescence lifetime measurement technology. Unlike traditional electrochemical methods, it does not consume oxygen or require specific flow rates, delivering more stable and accurate dissolved oxygen readings over time.
Q What is the measurement range and accuracy of the LMS-DOS10B?
A The sensor measures dissolved oxygen in the range of 0–20 mg/L and temperature from 0–60℃, with an accuracy of ±0.1–0.3 mg/L and temperature accuracy of <0.3℃.
Q What communication protocol does the dissolved oxygen sensor support?
A The LMS-DOS10B supports RS-485 interface with MODBUS protocol, making it easy to integrate into existing monitoring systems, PLCs, and data loggers.
Q Is the LMS-DOS10B suitable for aquaculture environments?
A Yes. The sensor features an IP68 waterproof rating and is constructed with 316L stainless steel and titanium materials, making it highly durable and well-suited for continuous deployment in aquaculture water bodies, helping maintain optimal dissolved oxygen levels for aquatic life.
Q How often does the sensor require maintenance or calibration?
A The fluorescence-based design significantly reduces maintenance requirements. There is no need for electrolyte replacement or frequent calibration, which lowers operational costs and minimizes system downtime compared to traditional electrochemical DO sensors.
Q What power supply is required for the LMS-DOS10B sensor?
A The sensor operates on a 9–24VDC power supply, with 12VDC recommended for optimal performance. This flexible power range makes it compatible with a wide variety of field and industrial power sources.




























