Antifreeze refractometer has an out-standing calibration screw. That brings convenience to the calibration work. No screw-driver needed when the calibration work is required. And the Square prism house can make the refractoemter stand stably. We name it as specific gravity refractometer LH-B70 .
Scope of use
1.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.
2.What about the transportation?
It depends on your requirement.We can delivery by air to your airport ,or by sea to your seaport ,and we can also delivery to your office address by express courier,and we also accept to co-operate with your ship agent or forwarder.
3.What about the technical support and maintenence?
Sometimes users will get some problems when they operate the instruments which are unfamiliar or first time use, users can send us emails or call us about detailed information. We will provide users solution or operation video.For so many years’ experience, our instruments works well during warranty period. If there any parts are broken during warranty period, we would like to provide spare parts for free.