Description： SD Card real time data recorder
DISSOLVED OXYGEN METER
Model : DO-5512SD
* Real time data recorder, save the data into the SD memory card and can be download to the
　Excel, extra software is no need.
* Dissolved oxygen range : 0 to 20 mg/L.
* Auto temp. compensation, Auto Calibration.
* % salt and height value compensation adj..
* The polarographic type oxygen probe with an incorporated temperature sensor.
* Probe head with diaphragm set and electrolyte are included.
* Record (Max., Min.), Data hold, zero adjust.
* RS232/USB computer interface, Patented.
* Patent: Taiwan, China, Japan, Germany, USA pending.