ACD CAL 2000 LT Instruction Manual - Page 11

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Once the flow and concentration have been displayed, the

instrument will enter the stabilization period and the display

will alternate between the following three screens:

Stabilizing ...

Standby: 146 sec

5 ppm CL2

Standby: 145 sec

Flow: 0.5 lpm

Standby: 144 sec

When the instrument has finished counting down to zero

(0) seconds, it has reached 90% of its final output and will

enter the gas generating mode. In this mode, the instru-

ment will display the gas being generated, the flow rate, the

ppm setting and the time while running at these settings as

follows:

CL2 @ 0.5 lpm

5 ppm 00:00:07

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When you are finished generating gas and wish to turn off

the instrument, press and hold the POWER switch until the

purge screen is displayed.

]

Purging ...

Standby: 300 sec

The instrument will purge itself of gas for 300 seconds and

then automatically shut off. At any time during this period,

you may turn the instrument back on by pressing the

SELECT switch and entering the status screens as described

above. You must change either the flow rate or the ppm

setting and then the instrument will immediately go to the

stabilization screen and continue to run at the new settings.

The amount of stabilization time will depend upon how long

the instrument was in the purge mode.

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