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Benchtop Type

T-712 Lab DO Meter

Word:[Big][Middle][Small] QR Code 2018/7/13     Viewed:    

Laboratory bench Dissolved Oxygen meter, which is suitable for aquaculture, water source monitoring, waste water treatment and environmental protection monitoring and other industries, also widely used in education and scientific research fields.

Main Features

●7 inch color capacitive screen with high resolution (1024*600) and sensitivity, which can show more parameters, more intuitive and simpler to read data.

●Auto calibration, auto temperature compensation, data storage, USB data export, clock, wireless printing, function setup, smart self-diagnosis and other intelligent functions.

●English and Chinese operating system, humanized design with adjustable screen brightness.

●Built-in big memory can store 1000 sets of test data which can be saved and transferred to USB flash drive and opened with Excel, very easy and convenient for edit.

●DO mode has functions of ATC, auto salinity compensation and auto pressure compensation.

● Bench DO meter is polarographic instrument and suggested to be used with our magnetic stirrer.

●With standard Bluetooth module and support wireless Bluetooth printing to make operations much easier for users. Optional PC software and cell phone APP.

●New structure polarographic DO electrode can measure temperature, salinity and dissolved oxygen simultaneously, equipped with special DO electrode calibration sleeve, only need 3~5 minutes for polarization.

●Combined diaphragm cap makes it extremely convenient to replace the sensitive membrane just by screwing the new cap to the electrode.

●Optional real time data transfer to Android cell phone via wireless Bluetooth.

●IP54 dustproof and waterproof.






7-inch capacitive touch screen


Concentration, Saturation, Temperature

DO Range

0.00 - 20 mg/L (ppm)



DO Accuracy

±0.4mg/L, ±0.3%

DO Saturation

0.0 - 200%

Saturation Resolution


Saturation Accuracy


Temperature Measuring Range

(-10 ~ 110)

Temperature Resolution


Temperature Accuracy


Temperature compensation range

(0 ~ 100) (automatic)

Salinity compensation range


Air pressure compensation range

(80 ~ 105)kPa (automatic

Air pressure resolution


Air pressure Accuracy




Response time

≤30s (25, 90% response)

Data Storage

1000 sets, USB for huge storage

Communication Interfaces

USB, Bluetooth

Working Conditions

Temperature: 5-40°

Humidity: 5-85%

Power Requirements

12V1A(with power adapter)

Size &Weight


Standard Configuration

1. T-712 DO Meter                                                          1 unit

2. Composite Electrode                                                  1 pc

3. Rotary electrode holder                                              1 pc

4. 12V power adapter for instrument                              1 pc

5. DO membrane cap                                                     3 pcs

6. DO electrode electrolyte (30ml)                                  1 bottle

7. User manual in USB                                                   1 copy 

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