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2.3.1 Connection of power supply
To connect power supply, remove the dry cell compartment cover on the rear
panel of the convertor unit. Install two AA alkaline dry cells or two charged AA
nickel-metal hydride batteries according to marking in the compartment. Close the
dry cell compartment cover.
When the meter is turned on the display shall show the cell charge level. The
number of bars in the cell symbol shows the dry cell charge level as follows: one
bar − 25 %, two bars − 50 %, three bars − 75 %, four bars − 100 %.
1 WARNING: OBSERVE POLARITY when connecting power supply.
Otherwise this may cause analyzer failure!
2 WARNING: Connect power supply only when the analyzer is de-
energized!
3 WARNING: To prevent date and time resetting and loss of data in the
scratchpad, batteries or dry cell are to be replaced within a 30 s period!
Nickel-metal hydride batteries shall be charged with 5 V voltage and
analyzer connected to the PC USB port.
The dry cell compartment is provided with the sign ("
WARNING!
")
warning that the analyzer may not be connected to USB port if the meter uses AA
alkaline dry cells. To connect the meter to the USB port, remove them from the
compartment and replace with two AA nickel-metal hydride batteries.
2.3.2 To make oxygen probe available
The oxygen sensor is supplied in the analyzer complete set in "dry" condition
and is to be filled with electrolyte from the complete set as prescribed in 2.6.3 and
submerged in distilled water for at least 8 h.
In this case two AA alkaline dry cells or two AA nickel-metal hydride batteries
are to be installed in the convertor unit. Whether the analyzer is ON or OFF,
polarization voltage shall be applied to the sensor to shape the electrode system.
2.3.3 Check for analyzer's workability
Check for analyzer's workability includes:
preliminary analyzer calibration against oxygen in the atmospheric air; and
check for readings in the "zero" solution.
!
