DOG-209F Dissolved Oxygen electrode has high stability and reliability, which can be used in the harsh environment; it
demands for less maintenance; it is suitable for continuous measurement of the dissolved oxygen in the fields of urban sewage treatment, industrial wastewater treatment, aquaculture, environmental monitoring etc.
1. Measuring range: 0-20mg/L
2. Measuring principle: Current sensor (Polarographic electrode)
3. Permeable membrane thickness: 50 um
4. Electrode shell material: U PVC or 31 6L stainless steel
5. Temperature compensation resistor: Ptl00, Ptl000, 22K, 2.252K etc.
6. Sensor life: >2 years
7. Cable length: 5m
8. Detection lower limit: 0.01 mg/L (20ºC)
9. Measurement upper limit: 40mg/L
10. Response time: 3min (90%, 20ºC)
11. Polarization time: 60min
12. Minimum flow rate: 2.5cm/s
14. Measurement error: <± 0.1mg/I
15. Output current: 50~80nA/0.1mg/L Note: Maximum Current 3.5uA
16. Polarization voltage: 0.7V
17. Zero oxygen: <0.1 mg / L (5min)
18. Calibration intervals: >60 days
19. Measured water temperature: 0-60ºC
1: Why choose us?
A: 1. We have our own factory with strong R&D center and QA team which can make sure your goods can be sent out on time and in superior quality.
2. We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.
3. We have purveyed customers with the lowest wholesale price.
Q2: How do you guarantee the quality?
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q3: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q4: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q5: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q6: What kind of payment your company accept?
A : T/T , TRADE ASSURANCE , MONEY GRAM ETC.
Q7: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.