description :

sd card real time data recorder
conductivity meter tds, salt
model : cd-4307sd
* real time data recorder, save the data into the sd memory card and can be download to the
excel, extra software is no need.
* 3 function : conductivity, tds, salt measurement.
* conductivity : 200 us/2 ms/20 ms/ 200 ms.
* salt : 0 to 12 % salt (% weight).
* automatic temp. compensation.
* it can select temp. coefficient of measurement solution.
* separate probe, easy for operation.
* carbon rod electrode for long life.
* record (max., min.), data hold, zero adjust.
* rs232/usb computer interface.
* patented.
* patent: taiwan, china, japan, germany, usa pending.