Bacharach PCA 3 Manual De Propietario
PCA
3 Manual
0024-9472 Rev 2
17
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.
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.
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.
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.
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.
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,
which will run the analyzer on a continuous basis. It uses 100-240 VAC at
50/60 Hz.
which will run the analyzer on a continuous basis. It uses 100-240 VAC at
50/60 Hz.