Hanna instruments hi 991001 digital ph measurement equipment 2 to 16 ph
Hi 991001 is a handheld meter for ph and temperature the digital ph meter has a waterproof housing with a large display and electrode connection at bottom the dual display simultaneously displays ph and temperature it is easy to use with 2 keys with automatic calibration it is distinguished by the included rugged ph electrode with integrated temperature sensor for temperature compensated measurements and an integrated amplifier to prevent interference from electrical noise