Portable nitrite nitrogen colorimeter water analysis equipment is one of the most important products from Lohand.Nitrite nitrogen meter is mainly use for rapid test to get the Nitrite nitrogen ion concentration in the water. Theory of work:N-naphthyl-ethanediamine spectrophotometry ,solution with reagent and nitrite turns red.
Widely used in the fields of waterworks,drinking water plant ,sewage plant,river and lake water quality monitoring station,laboratory research ,water treatment project ,agriculuture ,pharmacy ,chemical industry ,metallurgy,smithing,textile dipdye,etc.
water analysis equipment
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.
Most of the products have CE certificate.All products can be customized according to buyers' special requirements.
1.Can I add my logo on your product?
Yes, you need to send us your artwork in high resolution, we will design a visual for your confirm.
2.How can I get a sample ? What’s the sample fee? Is it refundable ?
Please confirm with us the model you’ll purchase, and you prepaid the sample fee , after sample tested and qualified, we will refund this sample fee when you place the bulk order. We can send out the sample within 2 working days after receiving payment.
3.Are you trading company or manufacturer ?
We are factory.
4.Why choose us?
1) High quality with reasonable price.
2) High-efficiency production capacity;
3) Timely delivery;
4) Quality control.
5) Commitment to our customers.
8) All products 100% tested.