Product specifications

1 OVERVIEW

1.3 Part Names

1.3.1 Front panel

Fig. 2 Front panel

Name Description

1 Power ON LED

When APOA-370 is ON, this LED is illuminated as follows:

Green: During normal operation Red: In alarm conditions

2 Touch panel Displays the measured values, alarms, etc. and touch-keys for operation.

3 RS-232C output port Used for maintenance and adjustments.

4 Sample filter

A filter for the sample line.

Replace this filter about every 2 weeks. (See “ 7.2 Replacing the Filter

Element ” (page 78).

The actual replacement frequency depends on the sample gas conditions.)

5 Power switch Used to turn ON/OFF the main power supply.

When the front panel door is open

Front panel door