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1 Introduction
•
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, wall mounted NEMA-4 rated
enclosure.
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.
Function Keys: Seven pushbutton membrane switches are used to select
the function performed by the analyzer:
•
Set Alarm 1
Teledyne Analytical Instruments
1-2
SERIES 3300 PERCENT OXYGEN
SPAN
SPAN
SAMPLE
Teledyne Analytical Instruments
Figure 1-1: Front Panel
Set Alarm 1 Hi or Low, and the concentration at
which alarm 1 activates.
Model 3300
PB
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