Teledyne 2120XL - Trace Nitrogen Analyzer - Manual (Page 15)

Trace Nitrogen in Argon Analyzer Introduction
Teledyne Analytical Instruments 3
 Extensive self-diagnostic testing, at startup and on demand,
with continuous power-supply monitoring.
 Two way RFI protection.
 RS-232 serial digital port for use with a computer or other
digital communication device.
 Four analog outputs: two for measurement (0–1 VDC and
isolated 4–20 mA DC) and two for range identification.
 Convenient and versatile, steel, flush-panel or rack-
mountable case with slide-out electronics drawer.
1.4 Front Panel
Operator controls and displays are located on the front panel as
shown in Figure 1-1.
Figure 1-1 Model 2120XL Front Panel
The standard 2120XL Nitrogen in Argon Analyzer is panel
mounted designed for easy installation in a standard 19” instrument
rack. All user controls and displays accessible from the front panel.
The front panel has thirteen buttons for operating the analyzer, a
digital meter, and an alphanumeric vacuum fluorescent (VFD) display.