Labman
Benchtop Dissolved Oxygen Meter LMDO50
Benchtop Dissolved Oxygen Meter LMDO50
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Benchtop Dissolved Oxygen Meter LMDO50 is a professional laboratory instrument designed for accurate measurement of dissolved oxygen concentration and oxygen saturation in water samples. The system is suitable for environmental monitoring, water treatment, aquaculture, research laboratories, and industrial quality control applications.
The instrument uses a polarographic dissolved oxygen sensor for stable and reliable DO measurement across a wide operating range. It supports dissolved oxygen measurement in mg/L, ppm, and percentage saturation modes, allowing flexibility for different laboratory and field applications.
LMDO50 features automatic temperature compensation to ensure highly accurate readings under varying sample temperatures. The system also supports manual salinity and barometric pressure correction, improving measurement reliability for different water conditions.
The meter provides 1 or 2-point automatic calibration using air-saturated water or zero oxygen solution for easy and accurate setup. Automatic endpoint detection freezes stable readings for simplified data recording and analysis.
A large LCD interface displays measured parameters clearly and includes operational guidance for user convenience. The system also includes calibration reminders, selectable stability modes, hold functionality, and internal memory for storing up to 500 data sets with date and time records.
LMDO50 is ideal for water quality testing laboratories, environmental studies, wastewater treatment plants, aquaculture facilities, educational institutions, and industrial process monitoring applications requiring precise dissolved oxygen analysis.
Key Features
Dissolved oxygen concentration and saturation measurement
Measurement in mg/L, ppm, or % saturation
Polarographic dissolved oxygen sensor
Automatic temperature compensation
Salinity and barometric pressure correction
1 or 2-point automatic calibration
Automatic endpoint detection and hold function
Selectable stability conditions
Large LCD display with operational guidance
Memory storage for up to 500 data sets
USB communication interface
Suitable for laboratory and industrial water testing
Technical Specifications
| Parameter | Specification |
|---|---|
| Dissolved Oxygen Range | 0.00–20.00 mg/L or ppm |
| DO Resolution | 0.1 / 0.01 ppm |
| DO Accuracy | ±0.2 mg/L or ppm |
| Oxygen Saturation Range | 0.0–200.0% |
| Saturation Resolution | 0.1 / 1% |
| Saturation Accuracy | ±2.0% |
| Temperature Range | 0–50°C |
| Temperature Accuracy | ±0.5°C |
| Temperature Compensation | 0–50°C, Automatic |
| Salinity Correction | 0–50 g/L |
| Barometric Pressure Correction | 60.0–112.5 kPa |
| Calibration Points | 1 or 2 Points |
| Memory | 500 Data Sets with Date & Time |
| Display | LCD |
| Hold Function | Available |
| Interface | USB |
| Connector | 6-Pin Mini-DIN |
| Stability Modes | Low / High |
| Power Supply | DC Adaptor, AC 220V / 50–60Hz |
| Dimensions (L×W×H) | 310 × 250 × 190 mm |
| Weight | 2 kg |
Applications
Water quality testing
Environmental monitoring laboratories
Aquaculture and fisheries
Wastewater treatment plants
Research and academic laboratories
Industrial process monitoring
Drinking water analysis
