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1 Introduction Model 3300PA
Teledyne Analytical Instruments
•Operator can select Autoranging, which allows the analyzer to
automatically select the proper preset range for a given
measurement, or he can lock the analyzer onto a single range.
•Two concentration alarms with adjustable setpoints.
•Sensor failure alarm.
•Three analog outputs: two for measurement (0–10 V dc, and
negative ground 4–20 mA dc) and one for range identification
(0-10 V dc).
•Compact and rugged Control Unit with flush-panel case. Designed
for indoor use.
1.3 Front Panel DescriptionAll 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 Alarm 1 Sets Alarm 1 Hi or Low, and the concentration
at which alarm 1 activates.