1-2
1 Introduction
Model 3300
TA
Teledyne Analytical Instruments
•
Control valve for the selector of span or sample.
•
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-pannel case. Designed
for indoor use.
•
RS-232 Serial Digital port for output of concentration and data to a
computer terminals, or other digital devices.
•
A sample flow control valve.
1.3
Front Panel Description
All controls 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
Set Alarm 1 Hi or Low, and the concentration at
which alarm 1 activates.
•
Set Alarm 2
Set the Alarm 2 Hi or Low, and the
concentration to which alarm 2 activates.
