ACD Cal 2000 Buku Petunjuk - Halaman 13

Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Alat Ukur ACD Cal 2000. ACD Cal 2000 13 halaman. Gas generator release vi

At any time you may reset either the flow rate or the ppm rate

by pressing the SELECT button and entering the status

screens as described above.

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.

Page 11

III. Normal Operation: Sample Draw Mode

The instrument may also be operated in a sample draw

mode where the internal pump is disabled and the air is

drawn through the instrument by an external pump. This

mode is used for calibrating sample draw instruments.

To enter the sample draw mode, press the SELECT switch

when the flow status screen is displayed.

Flow: 0.5 lpm

SELECT to change

When the flow set screen appears, adjust the flow to read

0.0 LPM.

0.2 to 1.0 lpm

set . . . 0.0 lpm

The ppm output screen will then read 000 ppm. You will be

unable to set the ppm until the sample draw instrument has

been attached to the outlet hose and a stable flow rate has

been established. While the instrument is waiting for the

sample draw unit to be attached, it will display the flow

stabilization screen.

Stabilize flow..

Flow: 0.000 lpm

Page 12