Front Panel Description; Figure 1-1: Front Panel - Teledyne 3290 Operating Instructions Manual

Introduction
 User selectable autoranging feature, which allows the analyzer to
automatically select the proper preset range for a given
measurement. The analyzer can also be manually locked on a
fixed analysis range.
 Two concentration alarms with adjustable setpoints.
 Sensor failure alarm.
 Optional RS-232 serial digital port for output of concentration
and range data to a computer, terminal, or other digital device.
 Three analog outputs: two for measurement (0–10 VDC, and
negative ground 4–20 mA DC) and one for range identification
(0-10 VDC).
 Compact and rugged control unit with flush-panel case.
Designed for indoor use. Front panel NEMA-4 rated.
 External probe can be located 6 feet (1.83 meters) or more away,
depending on the existing electromagnetic noise level.

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.
Teledyne Analytical Instruments

Figure 1-1: Front Panel

Model 3290
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