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Benchtop Dissolved Oxygen Meter DO-B903

Model : DO-B903
Measuring Range : 0.000 - 90 mg/L (ppm)
Resolution : 0.01/0.1
Accuracy : ± 0.5%
Response Time : ≤30s (25℃, 90%response)
Stability : (±0.07mg/L)/1h
Sizes(W×D×H)(mm) : 215x170x40mm
This benchtop dissolved oxygen meter is perfect for simplified, affordable laboratory testing and data logging.

The DO-B903 is designed as a benchtop structure for easy placement on the laboratory bench, featuring high accuracy, stability, and ease of operation. The Benchtop Dissolved Oxygen Meter measures the oxygen content of a liquid through a sensor and displays the results on the instrument's digital display for real-time monitoring and recording. This type of dissolved oxygen meter is usually used in water quality monitoring, environmental science research, aquaculture, and other fields and can provide accurate dissolved oxygen data.

Dissolved Oxygen Meter Specifications:

Display ParametersConcentration, Saturation, Temperature
DORange0.000 - 90 mg/L (ppm)
Accuracy± 0.5%
Saturation0.0 - 600%
TemperatureMeasuring Range(-10~110)℃
Compensation Range(0 ~ 45)℃ (automatic)
Salinity Compensation Range(0.0~50.0)g/L
Air PressureCompensation Range(80 ~ 105)kPa (automatic)
Accuracy± 2%
Response Time≤30s (25℃, 90% response)
Other ParametersDisplay6.5-inch LED screen
Data Storage1000 sets
Power12V (110-220, 50-60Hz adapter)
Communication InterfaceUSB, RS232, Bluetooth
Size & Weight240×170×70mm/600g
Working ConditionsTemperature5 ~ 40 ℃
IP gradeIP54
Meter Kits1) DO meter
2) Electrode holder
3) Two-in-one electrode that consists of DO electrode and temperature probe.
4) DO filling solution
5) Membrane cap
6) Cathode polishing paper
7) Power adapter
External Size215x170x40mm
Shipping Size475x430x75mm
Net /Gross Weight(kg)0.6/3

Benchetop Dissolved Oxygen Meter Features:

  1. 6.5-inch LED screen with concise and friendly-use interface.

  2. Built-in microprocessor chip has Intelligent functions such as automatic calibration, ATC, data storage, clock display, USB output, function settings, wireless printing, and self-diagnosis information,  etc.

  3. It supports wireless bluetooth printing.  Real-time data transfer to mobile phone via bluetooth is optional.

  4. It has functions of ATC, auto salinity compensation and auto pressure compensation.

  5. Polarographic DO electrode, short polarization time (3-5 mintues).

  6. Omron long lasting and light touch key can be used more than 100,000 times.

  7. Can store 1000 sets of test data, which can be saved and transferred to USB memory stick and opened with Excel.

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About Company​​​​​​​

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We look forward to establishing cooperation with more distributors all over the world, and working together to create greater customer value. Together we will be different.

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