Feature of pen digital ph meter:

High accuracy
Water proof
Replaceable pH electrode
Data hold function
Automatic calibration
Automatic shutoff

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Welcome to SINOTESTER.
Established in 2008, we are a professional company that manufactures and exports laboratory instruments, various medical disposables and equipments. 
We have our own factory and Laboratory, with strong R&D center, sales team, customer service team and QC team, which grows very fast and obtains good reputation in the market.
Most of the products have CE certificate.  All products can be customized according to buyers' special requirements.
SINOTESTER makes every effort to better our products and serve our commitments to our customers.
Our products and service matters lives of human beings which allows no hesitation and ignorance to the business.
Try contact us and make a right choice. Together with your partnership, time will prove all the benefits.

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