|Product name||Model No.||Measuring range||Test method||No.of Tests ||Shelf life|
|Ozone test kit ||LH2001||0.05-1mg/L||DPD method||50/box||2 year|
|Free Chlorine test kit||LH2002||0.05-1mg/L||DPD method ||50/box||2 year|
|Residual Chlorine test kit||LH2003||0.1-2mg/L||DPD method ||300/box||2 year|
|Total Chlorine test kit||LH2004||0.05-1mg/L||DPD method ||50/box||2 year|
|Chlorine dioxide test kit||LH2006||0.05-2mg/L||DPD method ||25/box||1 year|
Simple and easy -using visual colorimetry or titrimetry method , users can complete the test independently without specialized training ;
Fast and efficient -several minutes is enough to complete the analysis of one water sample .No need any other instrument for test ;
Accurate and reliable -the test method derives from the international standard , the result can be recognized worldwidely ;
Smart and portable -small size ,light weight.
Widely used in food , beverage , scientific , agricultural , environmental , monitor and all other related areas.
No. of Tests:50/box
HOW TO USE COLORIMETRIC CHART
Fill the tube with testing liquid to a certain level specified in the instructions;
Add one pack of reagent (or two different reagent according to the instructions), then close the lid and sway the tube to make the reagent dissolved thoroughly.
3.Compare the liquid color against the colorimetric chart.
A.Lay the colorimetric chart flat under the adequate light ;
B.Put the tube above the colorimetric chart vertically (see picture)
C.Compare the color of testing liquid with the color on the colorimetric chart , find out the same color and get the concentration.
Other unlisted test kit can be customized by client's request .
We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.
Hangzhou Lohand Biological Co., Ltd is a professional company that manufactures and exports laboratory instruments and equipments. We have our own registered brand"LOHAND" and own factory, with strong R&D center, sales team, customer service team and QC team, which grows very fast and obtains good reputation in the markt.
Our major products include: Refractometer, Test paper, pH meter, Electrode, TDS meter, Salinity meter, DO meter, ORP meter, Conductivity meter, Turbidity meter, Color comparison tube, test kit etc. Most of the products have CE certificate. All products can be customized according to buyers' special requirements.
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.