- 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
Fluorescence Dissolved Oxygen Sensor - 316L Stainless Steel DO Probe from China Suppliers & Factory for Accurate Measurement
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（Recommend12 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 Temperature range: 0-50 ℃ |
±5% equiv.KHP Temperature: ± 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 | 0-2000,000 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 | Temperature：-3℃ - 45℃ Velocity of flow：0-500 cm/s Flow direction：0-359.9° |
±0.05℃ ±1 cm/s or ±2% ±2° |
Temperature： 0.001℃ Velocity of flow：0.1 cm/s Flow direction：0.1° |
| Water Quality Analyzer Equipment | ||||||
| No. | Picture | Product Name | Model | Size | Power | Display Output |
| 20 |  |
Portable DO Analyzer | LMS-PA100 | 100mm*204mm | < 0.5 W Power supply 7.5V, 5 batteries | LCD display screen |
| 21 |  |
Multi-parameter Portable Water Analyzer | LMS-PA100P | 220mm*120mm*100mm | Rechargeable lithium battery with 220v to dc charging adapter | LCD display screen |
| 22 |  |
Multi-parameter Touch-screen Online Analyzer | LMS-OA200T | 180mmx230mmx100mm | AC power supply: 220 VAC | 7-inch touch screen |
Frequently Asked Questions
What measurement principle does the LMS-DOS10B Dissolved Oxygen Sensor use?
The LMS-DOS10B utilizes advanced fluorescence lifetime measurement technology. Unlike traditional electrochemical sensors, it delivers stable and precise dissolved oxygen data without consuming oxygen or relying on flow rate limitations.
What communication protocols and power supplies are supported?
The sensor supports RS-485 interface with standard MODBUS protocol for seamless system integration. It operates on a wide power supply range of 9-24VDC (12VDC recommended).
What are the measurement range, accuracy, and response time?
It features a dissolved oxygen range of 0～20mg/L with an accuracy of ±0.1-0.3mg/L, temperature range of 0～60℃ (<0.3℃ accuracy), and a fast response time of less than 120 seconds.
Does this dissolved oxygen sensor require frequent maintenance or calibration?
No. Thanks to optical fluorescence technology, it eliminates the need for electrolyte replacement or frequent calibration, significantly reducing operational costs and downtime.
What protection level and housing materials are provided?
The sensor features an IP68 waterproof rating to withstand immersion and dust ingress, and is constructed with durable materials such as 316L stainless steel, Polymer Plastic, or Titanium for harsh industrial and aquatic environments.
What are the primary application scenarios for this sensor?
It is widely suitable for handheld on-site field testing, continuous online monitoring in drinking water and wastewater treatment facilities, as well as dissolved oxygen regulation in aquaculture farms.