Bacharach PCA3 Spécifications télécharger pdf (Page 18)

PCA



3 Manual

18 0024-9473 Rev 4

Note that a button may perform multiple functions depending on the current

screen that is displayed. For example, the functions of the F1, F2, and F3

buttons are defined by labels appearing above them on the LCD. The labels that

appear depend on the functions that can be performed in the particular screen

being displayed.

NOTE: A keypad backlight enables a user to read the keypad in

dimly-

lit areas. Turn the keypad backlight ON and OFF by briefly

pressing the I/O button.

NOTE: When the analyzer is turned OFF, there is a 5-second

delay, during which time an operator can keep the analyzer turned

ON by pressing the RUN / HOLD button. Also note that if the

measured emission levels are above predetermined limits at the

time the instrument is turned OFF, the pump is automatically started

and purges the sensor compartment with fresh air until the gas

levels inside the analyzer are reduced. If desired, the purging

process can be aborted by again pressing the I/O button, though it is

not recommended.

2.3. Backlit Display

A large backlit color graphic display shows multiple combustion test values

simultaneously, and includes a zoom capability that provides extra large text.

Figure 2-2. Sample Display

2.4. Battery Compartment

The PCA

3 is powered by either its four internal batteries or by an optional AC

power adapter that operates from any convenient source of 100–240 VAC, 50/60

Hz power. Batteries may be either disposable alkaline or rechargeable NiMH.

2.5. AC Adapter Connector (POWER)

The AC power adapter P/N 0024-1254 can be used as an external power supply,

to run the analyzer on a continuous basis. It uses 100-240 VAC at 50/60 Hz.

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Bacharach PCA3 Spécifications Page 18