Is there instruction manual for dissolved oxygen meter?

At Shanghai Boqu Instrument Co., Ltd., the instruction manual is usually provided along with our products. If you do not find the instruction manual in your shipment, please contact us as soon as possible and we will re-deliver to you. The instruction manual contains the guidance of usage/storing/maintenance, which you can also view the related video posed on our website. Our service package includes the attentive after-sales support. For any problems in product quality, maintenance, application, or others, feel free to contact us. Our service principle is to make you satisfied all along.

BOQU has the capability to manufacture high quality ph sensor with the application of ph orp sensor. We will show you the dissolved ozone analyzer series that is most popular with customers. This product is not only powerful, but also durable and has a longer service life than other competing products. It is highly praised for its automatic temperature and pressure compensation function. Boqu Instrument has great confidence in quality of water hardness meter and can send samples to customers. Adopting photoelectricity coupling and isolation technology, it holds strong resistance to interference.

Multiparameter water quality probe delivers the BOQU's spiritual pursuit and carries its cultural values. Ask!