Teledyne 3190 manual Front Panel Description, Introduction Model

1 Introduction Model 3190

•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.

1.3Front 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 mem- brane 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:

1-2 Teledyne Analytical Instruments