Hanna Instruments HI 904, Uick Start Manual

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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/
µ
A multimeter (not included).