HI 8314 portable pH meter with mV reading / temperature with a single probe HI 8314 is a portable pH meter, robust and simple to use, renewed and made ​​more functional in appearance. Its convenience and reliability make it ideal for educational use, even in the field. Equipped with HI 1297D, pre-amplified pH electrode, HI 8314 pH / ORP / ° C with ... Read More »