Cod digester equipment mainly detects COD in groundwater, surface water, domestic sewage and industrial wastewater. Cod digester equipment is widely used in water quality monitoring of environmental protection, petroleum, chemical, health and other departments.
1.2ml Pure water and 2ml to be measured solution respectively add different cod reagent tube, tighten the lid, slowly shake the reagent tube solution, the reagent pipe into the digestion instrument, under 165 ℃ digestion 20 minutes. (Hazard: The reagent tube contains concentrated sulfuric acid, please wear gloves when operating, such as accidentally contact the skin, please immediately with a large amount of water cleaning.
2. After the digestion is complete, the reagent tube is removed and placed in the test tube rack and cooled to below 80 ℃. (Warning: The digestion instrument and the reagent tube temperature is high, the operation attention does not scald.)
3. Shake the liquid again in the reagent tube.
4. The reagent tube is placed on the test-tube rack and continues to cool to room temperature, at which time it is prohibited to shake the reagent tube.
5. Press "switch" key to boot, the screen in the middle of "IdLE" means that the boot completed, the instrument is in standby state.
6. Open the detection of the bunker cover, to ensure that 0 water sample test tube surface clean, put it into the test bin, cover the cover, press the "0" key, the screen in the middle of the "0" to indicate that the adjustment 0 completed.
7. Open the cover, remove the 0 water sample, put in the water sample, cover the cover.
8. By "reading" key, the number displayed in the middle of the screen indicates the value of the water sample. (Unit:/)
9. When the test is finished, press the "switch" button to close the instrument.
1. How About The Shipping Cost?
If your goods is not large, we can send goods to you , such as FEDEX, DHL, with good price for long cooperation.
If your goods is large, we will send it to you by sea, then we can quote the price to you, and you can choose whether use our forwarder or yours.
2. Can The Price Be Cheaper?
The price depends on your demand (shape, size, quantity). Usually, you can get better price provided large orders.
3. When do you delivery?
Usually in 7-30 days.
4. Our policy: Within the warranty period, If there is any quality problem, please send us photos to show the problem.And then we will decide to send you parts or you send the instrument back to us to repair or exchange. Please make sure to contact us first instead of sending it to us directly. You only need to pay double-run freight.
Improper use of the instrument and man-made damage is not included in warranty. Warranty only aimed at the problem caused by the product quality.
5.What is the payment method?
Western union, TT, Moneygram, Paypal, L/C, D/A, D/P etc.