COD Meter Introduction:
Model LH-C1 chemical oxygen demand test meter is a new generation COD meter which is promoted by ourself Hangzhou Lohand Biological Co., Ltd in 2017. COD meter solves the problem that when people detect outside without electricity power. COD meter is suitable for test chemical oxygen demand(COD) of surface water,underground water domestic sewage and industrial waste water .
Rapid digestion spectrophotometry
More than 30 hours
0-50℃ , Rh:0-80%
COD Meter Operation processes:
1.Take 2ml pure water and 2ml tested solution to be added into different COD reagent tubes,screw down the lid,shake the solution in the reagent tube slowly , put the reagent tube into the reactor,react for 20 minutes at 165℃。（Danger: the reagent tube contains concentrated sulfuric acid，please wear gloves when handling,if you accidentally touch the skin, wash immediately with plenty of water.）
2.After reaction ,put the reagent tube on the test tube rack and cooled to below 80℃.(Warming:reactor and reagent tube temperature is high,be careful not to burn during operation.)
3.Shake the liquid in the reagent tube again.
4.Place the reagent tube on the test tube rack and cool down to room temperature.Don't shak e the reagent tube at tihs time .
5.Press “on / off” button to turn on the powert, the screen displays "idLE" that boot is complete ,the reactor is in standby mode.
6.Open the test lid, ensure zero water tube surface clean, put it into a test chamber, cover the lid,press "zero" button, the middle of the screen shows "0" said zero complete.
7.Open the lid, take out the zero water sample ,put the tested water sample into it,cover the lid.
8.Press “read”button,the result will be displayed on screen(unit:mg/L).
9.After the measurement press “ON/OFF” button to turn off the instrument.
Q1: 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 , WEST UNION , PAYPAL , 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.
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