Hanna-instruments HI 904 Uživatelský manuál stáhnout pdf (Strana 55)

4-9

GENERAL OPTIONS

4.9 USB Link with PC

The USB Link feature is useful to transfer methods/reports directly to/from a PC. To use this

feature, connect the USB cable to the labeled connector on rear of titrator and connect to a

PC with HI 900 PC Application installed. The titrator automatically attempts to connect to

the PC while on this screen.

Inactive: The titrator is not connected to the HI 900 PC Application.

Active: The titrator is connected to the HI 900 PC Application.

Ready: The titrator is ready for commands.

Transmit: It shows the progress of the current transfer.

Speed: It shows the baud rate for the communications port.

4.10 Calibration Check

This screen allows the user to verify the analog board calibration.

Two parameters can be verified, the

electrode mV input

and the

electrode polarization current

Both parameters can be measured on the same BNC connector using the calibration key and

a mV/µA multimeter (not included).

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Hanna-instruments HI 904 Uživatelský manuál Strana 55