Front Panel Description; Figure 1-1: Front Panel - Teledyne 3190 Operating Instructions Manual

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Introduction

• Two concentration alarms with adjustable setpoints.

• Sensor failure alarm.

• 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 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. Front panel NEMA-4 rated.

• External Probe can be located six feet 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.

Function Keys: Seven pushbutton membrane switches are used to

select the function performed by the analyzer:

Teledyne Analytical Instruments

Model 3190

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