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Thermal Conductivity Analyzer
Five parameters can be changed on this screen:
•
•
•
•
4.6
The Range function allows you to manually select the concentration
range of analysis (
In the
low (concentration) limits of each Range, and select a single, fixed range to
run.
CAUTION: If this is a linearized application, the new range
•
Value of the alarm setpoint, AL1: ####
•
Out-of-range direction, HI or LO
•
Defeated? Dft:Y/N (Yes/No)
•
Failsafe? Fs:Y/N (Yes/No)
•
Latching? Ltch:Y/N (Yes/No).
To define the setpoint, use the UP/DOWN key while screen is
blinking over to AL1: ####. Use the UP/DOWN key to change
the number. Holding down the key speeds up the incrementing
or decrementing.
After the number (value) has been choosed, use Enter to move
the desired parameter. Then use the UP/DOWN keys to change
the parameter.
Once the parameters for alarm have been set, Enter the alarm
function again, and repeat this procedure for next alarm.
To reset a latched alarm, go to
times or DOWN two times. (Toggle it to and then back to
Go to
and then use either UP two times or DOWN two
times. (Toggle it to
The Range Select Function
), or to select automatic range switching (
screen, you are further allowed to define the high and
must be within the limits previously programmed
using the System function, if linearization is to
apply throughout the range. Furthermore, if the
limits are too small a part (approx 10 % or less) of
the originally linearized range, the linearization will
be compromised.
Teledyne Analytical Instruments
and then use either UP two
–OR –
and back to )
Operation 4
)
).
4-19
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