Teledyne 3300ZB - Low-cost Zirconium Oxide Oxygen Analyzer - Manual (Page 12)

Introduction Model 3300ZB
Teledyne Analytical Instruments 2
 Compact and rugged control unit, wall-mounting NEMA-4 rated
enclosure.
 External probe
1.3 Front Panel Description
All controls and displays except the power switch are accessible
from the front panel. See Figure 1-1. The front panel has seven
pushbutton membrane switches, a digital meter, and an alarm indicator
LED for operating the analyzer. These features are described briefly
here and in greater detail in Chapter 4 Operation.
Figure 1-1: Front Panel
Function Keys: Seven pushbutton membrane switches are used to select
the function performed by the analyzer:
 Set HI Alarm Set the concentration ABOVE which an
alarm activates.