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2.
When the desired sample rate is displayed press
ENTER
. The message Enter
Data Tag #1 will appear use alpha-numeric and arrow keys to make a tag or ESC
for no tag. Arm logger? will be displayed then press ENTER to arm or ESC to
restart. and the instrument then automatically returns to displayed data.
The instrument is now programmed and can be switched off. The logger will
automatically switch on the stirrer 1 minute before the programmed measurement time
and the message AUTO LOGGER,
Sensor warm up time, please wait will be displayed. When the sample has been taken,
the instrument will automatically shut down again until the next sample time has
arrived.
To halt the logging process, select MENU key You will then see the message Disarm
logger (ENT/ESC) press
ESC
to continue logging or
ENTER
to stop the logging routine.
Check Battery (7)
From the main menu select check battery and press ENTER. The battery voltage will be
displayed and if the battery state is till acceptable the message OK will appear. Push the
ESC to go back to the main menu. If the battery fall below 9.8 volts the display will show
Batt Low and the beeper will sound.
If the battery is not recharged and operator continues to use the unit the battery voltage
will fall rapidly until the unit shuts down. RECHARGE THE BATTERY AS SOON AS
POSSIBLE after the message appears.
Before charging, be sure the unit is switched off. Plug the power pack unit into mains
power outlet and then plug the battery charger connector into the Aux batt/Charger
input on the Reader Unit. The 615 can now be switched ON and act as an auxiliary
power supply and charge the batteries at the same time. The battery charger is an
intelligent system that takes care of NI-cad and NI-MHO Type rechargeable batteries and
adjusts itself for best charging.
Data Port OFF/ON (8)
When Data Port is ON, displayed data is outputted from the serial communications port.
This can be directly linked to a computer where data can be displayed and/or stored
onto a disk. The unit also enables:
Storage of data directly into its memory while outputting data to a P.C. This is
accomplished by: