Optical uera refractometer CNN25 can be used to measure the concentration of urea in water.range is 25 to 38%.as well as measuring refractive index of solution.
1.Can you send me some samples for review?
Yes, we can offer the samples,but shall have to charge the sample cost as well as the freight cost.The sample cost can be refunded after you place the orders.
2.How about the package?
1 pc / hard plastic box.
3.When I receive it after pay?
Dear customer, normal models can be delivered with 7-21 days, please contact us to check transport time to your address.
4.Does your price is competitive?
Dear customer, we make sure to offer you the best quality with competitive price.
5.What should I do if I do not know how to use?
Dear customer, please do not worry, manual user will be sent together, you can also contact us with more technological support.