ENMET PROAIR 2200 - Manual (Page 5)

P RO A IR 2200 ENMET Corporation
2
2.0 Instrument Features
2.1 Exterior Features
The exterior of the instrument is shown in Figure 1. The exterior features are as follows:
Feature Description
Enclosure An engineered thermoplastic box, approximately 10x8x6, with a clear hinged front cover.
Input Port The entrance for the air sample and calibration gas. The quick release fitting mates with
one on the calibration adapter.
Front Cover Latch A quick-release latch that holds the clear front cover in place, and is capable of being
padlocked if desired.
Audio Alarm A loud horn activated by certain alarm conditions.
Mounting Flanges Flanges with holes for mounting the enclosure to a vertical surface.
Sample Air Hose A five foot long hose to conduct a sample of the air from the source to the instrument.
The hose has a Female quick release fitting and Male ¼” NPT fitting. See Figure 1A.
Sample Air
Exhaust Port The exhaust for the air sample and calibration gas
2.2 Display Panel Features
The display panel, shown in Figure 1, is viewed through the clear front cover of the enclosure, and is accessed by opening the
cover. Features are as follows:
Feature Description
Display A 2 line, 16 character per line, LCD with backlight.
The numerical values of gas concentrations, and other information are displayed.
Visual
Alarms & Indicators On either sides of the display:
A red alarm LED for each sensor installed in the instrument, Low level alarm.
The top center of the panel:
A red alarm LED for all sensors installed in the instrument, High level alarm.
Near the center of the panel:
A green power indicator LED
A red fault alarm indicator LED
Pushbutton Switches There are three of these, located near the center of the panel; they are yellow
rectangular membrane switches. They are:
•
O PTION Switch The top left switch.
• S ELECT Switch Directly to the right of the OPTION switch.
•
Audio Defeat / Alarm
Acknowledge
Switch
Directly below the OPTION switch.