If your order is missing any items or parts, please let us know as soon as possible. Shanghai Boqu Instrument Co., Ltd. is committed to your satisfaction. You enjoy our guarantee.

Since its beginning, Boqu Instrument has been offering high-quality ph controller. Boqu Instrument has created a number of successful series, and portable dissolved oxygen meter is one of them. Tested by a third-party quality agency on the light source, BOQU dissolved oxygen meter is unlikely to cause blue light damage, thereby causing damage to the user's retina. It is highly praised for its automatic temperature and pressure compensation function. Boqu Instrument only manufactures high quality portable tss meter. The product has achieved the maintenance-free performance.

We strive to provide quality customer service. Our sales department will give affirmative and fast response, while the logistics department will organize and track all shipments, and give prompt response to the inquiry. Please contact us!