Product Features
10-inch high-performance integrated touch screen, visual operation interface, clearer display, smoother operation and more stable operation;
Adopt the strains acclimated from sewage and carry out targeted strain acclimation work to enhance the environmental adaptability of the strains, so that they can be stably measured for a long time in this water sample environment.
Adaptive quantitative device, using the leading logic judgment method, enhances the liquid level judgment ability and improves the adaptability to complex water quality.
High-precision and rapid measurement, with the fastest taking 15 minutes
Dynamic simulation analysis flowchart, easy to maintain and understand;
Both Chinese and English languages are available, and the interface is friendly.
Data storage (at least 1 year), export via USB interface;
Standard analog output is available, and RS485/Modbus protocol serial port output is optional

Technical parameters of Lyser-BOD Online Biochemical Oxygen Demand Analyzer
Measurement principle: Microbial electrochemical method
Range: 0-200, 0-500mg/L (default)
The range can be expanded or customized according to the user’s requirements
Indication error
Range: 20% standard solution, ±15.0%
Range: ±10.0% for 50% standard solution
The measurement range is ±5.0% for 80% standard solution
Repeatability: ≤15.0%
Lower limit of quantification: ≤15mg/L (indication error ±30%
Range drift: ≤10.0%
Environmental temperature stability: ±5.0%
Actual water sample comparison:
BOD < 50mg/L: ≤10mg/L
BOD≥50mg/L: ≤20.0%
Measurement mode: Interval measurement (arbitrary setting from 0 to 9999 minutes) and 24-hour whole-hour time measurement mode; Single measurement and reverse control measurement
Quality control: Regular automatic calibration and automatic verification of standard solutions can be set at any time point
Calibration mode: User manual calibration; Automatic calibration can be set at any time point on a regular basis
Communication port: RS-232 RS-485 RJ45
Measurement modes: Time interval, 24-hour whole-hour time measurement mode, single measurement mode, optional
Analog signal :4-20mA
Control signals :2 channels of digital output, 2 channels of digital input
Environmental requirements: Suggested temperature (5-33)℃; Humidity ≤85%(no condensation)
Power supply :(220±22)VAC,(50±0.5)Hz
Power efficiency :≤200W
Dimensions :600*600*1600 mm