The portable laboratory ammonia nitrogen colorimeter LH-N12 is mainly used in the rapid detection of the ion concentration of ammonia nitrogen in water, which is detected by salicylic acid method and the results are consistent with the international. The portable laboratory ammonia nitrogen colorimeter is tested accurately and quickly.
The portable laboratory ammonia nitrogen colorimeter portable ammonia nitrogen colorimetric is mainly used in the rapid detection of the ion concentration of ammonia nitrogen in water, which is detected by salicylic acid method and the results are consistent with the international. The portable laboratory ammonia nitrogen colorimeter is tested accurately and quickly.
Operating conditions:0 to 40℃,0 to 90% relative humidity (noncondensing)
Life of battery：1×9V,more than 40h
shutdown：Press the “ON/OFF” button to shutdown the colorimeter after the test.
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.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.
2.Can we buy 1 pc for sample testing?
Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
3.What delivery / shipping way do you use?
For samples or trial small order, we can send them to you by Air Express, such as DHL, FEDEX, UPS, TNT or EMS;
For large amount goods, we can book the ship to your sea-port by sea-shipping;