Multiparameter Portable colorimeter LH-NP2 has excellent optical system design, with advanced microprocessor chip, humanized operation interface, simple and convenient,adopting specialized optical colorimetric cuvette, high accurate,high accurate silicon photocell sensor and light source.
Ammonia nitrogen:Nessler’s reagent colorimetry.Solution with reagent and ammonia nitrogen turns yellow.
Please read the manual carefully before using the instrument. Special attention should be paid to all risks and warnings. If you are not required to operate, may cause the operator to hurt or damage to the instrument. As a good laboratory practice, please specify the reagents used in the testing process, read the product label and material safety data sheet before use. In contact with chemicals before wearing protective glasses is a good operating specifications, please follow the instructions carefully. If you come into contact with chemicals, rinse thoroughly with water. If you have questions about the reagent or operation, please contact us.
1.If we have not found the model from website, what should we do?
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.
2.Our policy: Within the warranty period, If there is any quality problem, please send us photos to show the problem.And then we will decide to send you parts or you send the instrument back to us to repair or exchange. Please make sure to contact us first instead of sending it to us directly. You only need to pay double-run freight.
Improper use of the instrument and man-made damage is not included in warranty. Warranty only aimed at the problem caused by the product quality.
3.Do you sell other brands Products? And do you accept OEM?
No, we don’t sell other products, but you may send me your detailed specification requirement if our brand is ok for you. And we accept OEM.
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