Bacharach PCA3 Especificaciones descargar pdf (Pagina 27)

PCA



3 Manual

0024-9473 Rev 4 27

Auto Zero determines the zero reading of the CO channel in fresh air and

provides an offset for the CO measurements. Manual zero is used to detect CO

that may be present during start-up. The auto/manual zeroing option allows the

operator to select the start-up mode. It is selectable from the CO Zero Setting of

the Setup Menu.

NOTE: Both methods take the user through a 60-second count

down to establish a new zero. The manual mode establishes a

fresh air zero and stores it for use during instrument startup.

4.4. Temperature Units Selection

Select to display temperature in either °F or °C as follows.

1. Display the MAIN MENU by pressing the MENU (F2) button. If

necessary, press ESC until MENU appears above F2.

2. Use the ▲▼ buttons to highlight SETUP, and then press ENT to display

the SETUP MENU.

3. Use the ▲▼ buttons to highlight TEMP UNITS, and then press ENT to

display the TEMP UNITS MENU.

4. Use the ▲▼ buttons to highlight the desired temperature units. In the

example shown, Fahrenheit has been selected.

5. Press ENT to save the selection and re-display the SETUP MENU.

Figure 4-4. Temperature Units Selection

4.5. Pressure Units Selection

Select to display pressure in Inches of Water Column (inwc), millibar (mb),

Pascals (Pa), or hectoPascals (hPa) as follows.

1. Display the MAIN MENU by pressing the MENU (F2) button. If

necessary, press ESC until MENU appears above F2.

2. Use the ▲▼ buttons to highlight SETUP, and then press ENT to display

the SETUP MENU.

3. Use the ▲▼ buttons to highlight PRESSURE UNITS, and then press

ENT to display the PRESSURE UNITS MENU.

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Bacharach PCA3 Especificaciones Pagina 27