Hot Sale Lab 50 Tests Cod Test Tube with Colorimetry Method (LH3002)

FEATURES
1. Convenient-small size and light weight , the test can be conducted without any other laboratory equipment and skilled people ;
2. Fast -only need 3-5minutes to test one sample ,no need extra material or instrument , easy to operate ;
3. Precise-all test parameters are according to international standards;
4. Portable -PE plastic tube , small size , light weight ;
5. Sealed by aluminum foil , long shelf life , 18 month under normal temperature.

SCOPES
Widely used by in beverage , scientific , agricultural , environmental monitor and all other related area.


OPERATION

1. Pull out the filament of tube,

2. Evict the air.

3. Insert the tube into testing liquid, stop inhaling water when it is half around.

4. Rock 5 to 6 times slightly, wait for 4 minutes, compare the shown color with the standard colorimetric card.

PACKING  
The normal package is carton box,it also can be packaged according to customers special request.

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.