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USB PC INTERFACE CAPABILITIES
The USB cable and software are required to transfer data to a pc. The USB port
is located on the right side of the instrument. The USB cable is not included. it
can be purchased separately as an optional accessory. The protocol is:
Format: C***. **uS(mS):t***.*C(F):D***. **ppm(ppt)LRCCRLF
Baud rate: 9600 bit/sec
Data bit: 8
Stop bit: 1
Parity: none
TROUBLESHOOTING
Power on but no display
• Make sure you press power key more than > 0.3 Second.
• Check the battery conditions and replace if necessary.
• Move batteries away for one minute and then re-install.
Display disappear
• Check whether the low battery icon is appeared before the display is off.
If yes, replace with new batteries.
Air bubbles adhere on electrode
• Stir the electrode completely and better to dip the electrode into solution
at oblique angle. After soaking the electrode for 15~30 minutes, inspect the
electrode carefully to make sure no bubbles adhere.
• If air bubbles still exist, tap the bottom of the container gently and stir the
electrode to remove the air bubbles. If above method are not working,
remove the electrode out of solution and blow at the electrode to remove
the air bubbles.
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