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.
SCOPES
Widely used in food , beverage , scientific , agricultural , environmental , monitor and all other related areas. Â
PACKINGÂ Â No. of Tests:25/box Â
HOW TO USE COLORIMETRIC CHART 1.Sampling
  Fill the tube with testing liquid to a certain level specified in the instructions;
2.Adding reagent
  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.
REMARKS Other unlisted test kit can be customized by client's request . Â
OUR SERVICES We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service. COMPANY INFORMATION
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.Â
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.Â
CERTIFICATION
FAQ
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.Â
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.Â
Q3: Is OEM available? A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.Â
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.Â
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.Â
Q6: What kind of payment your company accept? A: T/T, WEST UNION, PAYPAL, etc.Â
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. Â
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Product name
Model No.
Measuring range
Test method
No. of tests
Shelf life
Ammonia Test Kit
LH2007
0.01-1.0mg/L
Salicylic
25/box
1 year
Sulfide Test Kit
LH2008
0.02-0.8mg/L
DPD method
30/box
1 year
Nitrite Test Kit
LH2009
0.01-0.5mg/L
Diazo-Coupling method
35/box
1 year
Low hardness Test kit
LH2011
0.4-20mg/L
EDTA Titration method
50/box
1 year
Total hardness test kit LR
LH2012
10-200mg/L
EDTA Titration method
50/box
1 year
Total hardness test kit HR
LH2013
30-600mg/L
EDTA Titration method
50/box
1 year
FEATURES
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.
SCOPES
Widely used in food , beverage , scientific , agricultural , environmental , monitor and all other related areas. Â
PACKINGÂ Â No. of Tests:25/box Â
HOW TO USE COLORIMETRIC CHART 1.Sampling
  Fill the tube with testing liquid to a certain level specified in the instructions;
2.Adding reagent
  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.
REMARKS Other unlisted test kit can be customized by client's request . Â
OUR SERVICES We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service. COMPANY INFORMATION
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.Â
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.Â
CERTIFICATION
FAQ
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.Â
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.Â
Q3: Is OEM available? A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.Â
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.Â
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.Â
Q6: What kind of payment your company accept? A: T/T, WEST UNION, PAYPAL, etc.Â
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. Â
Our main custom sign boards are pvc /
foam boards , corflute plastic board ,acrylic sign boards . We can provide die –
cutting service with our laser cutting machines . The thickness of our sign
boards are 1 - 20 mm .The largest size we can print on the board directly is
120 * 240 cm with our uv flatbed printer as below .
The colors are waterproof and uv
resistant .Our uv flatbed printer provides high resolution (1440*1440 dpi )
printing ,the color is vivid and concave – conves is available .We also provide
digital printing for our sign boards ,this cost is much cheaper than uv
printing . Image printed on the sticker and then sticked on the boards .So even
you need very large board ,we can provide ,because we can cut the board but the
stickers uncutted ,then we fold them when you receive them and just open it
,the image is still complete .
