E C O P H Y S I C S Operating Guide
CLD 780 TR / July 2000 51
(20) “Recorder“-window
Allows the user to set the parameters to output the raw signal (in counts)
on an x-t recorder
1. “Fullscale“: Selectable resolutions:
– “1’000 counts“: range upper value is 1’000 counts
– “10’000 counts“: “ 10’000 counts
– “100’000 counts“: “ 100’000 counts
– “500’000 counts“: “ 500’000 counts
2. “Offset“: The recorder zero point can be offset by 20 % if required.
With “Offset 20 %“ the zero point is moved by 20 %, the remaining
80 % of the recorder range, however, covers the whole measuring
range (e.g. 10’000 counts).
To return select “MEAS“ or “TEST“.
(21) “Devices“-window
This enables the user to switch on and off the ozone generator and sole-
noid valves for testing purposes.
1. “Ozone Generator“:
Sets ozone generator status
– “on“: in operation
– “off“: turned off
2. “Valve“:
Sets position of the solenoid valve (sample/cal. gas) in PLC 762
– “Prb“: sample gas inlet open
– “Cal“: calibration gas inlet open
3. “Ph. Cnvt:“
Sets position of the solenoid valve (NO/NO.c) in PLC 762
– “NO“: NO measurement
– “NO.c“: NO.c and/or NO
2
measurement (through converter)
Return with “MEAS“ or “TEST“.
Caution: Any settings made in this window are valid only so long as
the instrument remains in the “TEST“ mode, and will be deactivated on
returning to the MEAS function, when the prior settings will become
valid again.
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