EN 
CN
RUThree letters DO850 Portable optical oxygen dissolving meter
Price：￥6100
Laboratory/Medical Field
Integrated suppliers of equipment, reagents, and consumables
Product Features
1、The new dissolved oxygen electrode has a built-in temperature sensor and salinity sensor. The dissolved oxygen measurement mode has the functions of automatic temperature compensation, automatic salinity compensation and manual air pressure compensation, making the measurement more accurate.
2、Polarographic dissolved oxygen electrode, equipped with a dedicated electrode calibration sleeve, only 3 electrode polarization is required ~5 min； The electrode is equipped with 3 combined diaphragm caps, which is very convenient to replace the oxygen-permeable membrane.
3、Configure suitcases for outdoor and on-site use.
4、Instrument conforms IP57 Waterproof grade.
Technical parameters
Dissolved oxygen | Measurement range | （0 ~ 20.00）mg/L(ppm) （0 ~ 200.0）% |
Resolution | 0.01/0.1 mg/L(ppm) 0.1/1 % | |
Display error | ±0.30 mg/L | |
Response time | ≤30 s（25℃, 90%response) | |
Zero value deviation | ≤ 0.10 mg/L | |
Temperature compensation range | （0 ~ 45）℃（automatic) | |
Salinity compensation range | （0 ~ 45）ppt（ automatic) | |
Air pressure compensation range | （60.0~ 199.9）kPa（ Manual) | |
Electrode type | Polarographic | |
temperature | Measurement range | 0~100℃ |
Resolution | 0.1℃ | |
Basic error | ±0.5℃±1Word | |
Other technical parameters | Data storage | 500Group |
Save content | Number, date, time, measured value, unit of measurement and temperature value. | |
power supply | AA 3 batteries (1.5 V×3）；DC5V（USB interface) | |
Size and weight | (88×170×33 )mm / 313g； suitcase: (480×360×95)mm/3.2kg | |
IP grade | IP57 Dust-proof and waterproof |
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