1. Model: GM510
2. With11unitsto select:bar,mbar,kPa,kgf/cm2,mmHg,cmH2O,Ozf/in2,psi,inHg,inH2O,ftH2O.
3. USB dara hold.
4. USB interface
5. Low battery indicator function
6. Auto power off.
7. A computer through a USB adapter,can be used to record special software for data analysis
