Specification Brand : Hanna Instruments Label : Hanna Instruments Manufacturer : Hanna Instruments ProductGroup : BISS Basic ProductTypeName : LAB_SUPPLY Publisher : Hanna Instruments SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/21zkEZ6f31L._SL75_.jpg SmallImage_Width : 75 Studio : Hanna Instruments Title : HI991001 - - Extended Range Portable pH Meter (1197K47) by Hanna Instruments