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Online Dissolved Oxygen Meter, DO-OL680

  • DO Range: 0.0~20.0mg/L
  • Resolution: 0.1mg/L
  • 1 or 2 points calibration

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  1. 1 or 2 points calibration using the air-saturated water or zero oxygen solution
  2. Salinity and barometric pressure compensations eliminate the measurement error
  3. Automatic temperature compensation ensures accurate readings over the entire range
  4. Setup menu allows tosetthe number of calibration points, measurement unit, alarm limits, hysteresis value, 4 to 20mA output, etc.
  5. Reset function automatically resumes all settings back to the factory defaults

Ordering Information

DO-OL680: Controller, IE-80T industrial dissolved oxygen electrode, electrolyte solution and membrane cap


Model DO-OL680
DO Range 0.0~20.0mg/L
Resolution 0.1mg/L
Accuracy ±0.5mg/L
% Saturation Range 0.0~200.0%
Resolution 0.1%
Accuracy ±2.0%
Temperature Range 0~60°C/32~140°F
Resolution 0.1°C/0.1°F
Accuracy ±1°C/±1.8°F
Offset Calibration 1 point, reading ±10°C
Communication Signal Output 4~20mA
Load Max. 500Ω
Low or High Alarm 0.00~20.00mg/L, selectable
Communication Interface HS485
Connection Terminals Detachable screw terminals
Other Specifications Dissolved Oxygen Calibration 1 or 2 points
Temperature Compensation 0~40°C, automatic
Barometric Pressure Correction 60.0~112.5kPa/450~850mmHg, manual
Salinity Correction 0.0-35.0g/L, manual
Power Requirements DC24V
Dimensions 96(L)× 96 (W)×75(H)mm
Weight 350g

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    We will usually contact you within 24 hours. You could also call us (+86-531-88982330) during working hours ( 8:30 am to 5:45 pm UTC+8 Mon.~Sat. ) or use the website live chat to get prompt reply.

    Contact Info

    Rm. 2014, Bldg. 3, Ligaoguojihuayuan, No. 1222, West Aoti Road, Lixia District, Jinan, Shandong

    Phone: +86-531-88982330

    Fax: +86-531-88983691


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