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SD 300_pH_1 01/2013
i
If an attempt to turn off the instrument is made when a cyclical recording is run-
ning, a query of whether the recording should be stopped automatically appears.
The instrument can only be switched off if the recording is stopped.
The Auto Power Off function is deactivated when a recording is in progress!
c) Delete logger recording:
Press and hold for two seconds: If logger data is present and the
recording was already stopped, the delete menu appears
Switch the selection:
or
.
Delete nothing (cancel the process)
Delete all data sets
Delete the most recently saved data set
Confirmation of the selection, end of the delete menu
9. Universal output
The output can be used either as a serial interface (for USB 300 interface adapter) or as an
analogue output (0-1V). If the output is not required, it should be deactivated (Out oFF),
because this function consumes the battery..
If the instrument is operated with the USB 300 universal interface adapter, the instrument is
powered from this interface.
Plug assignment:
4: external 5V, 50mA
3: GND
Only suitable adapter cables
2: TxD/RxD (3.3V logic)
are permissible (accessories)
ries)!
1: +UDAC, analogue output
9.1 Interface
With a USB 300 galvanically isolated interface converter (accessory), the instrument can be
connected directly to a USB interface of a PC. The transmission takes place coded in binary
format and is protected against transmission errors through extensive safety mechanisms (CRC).
The following standard software package is available:
GSOFT3050: Operating and evaluation software for the integrated logger function
Содержание SD 300 pH
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