1 23050—010-000 Rev A.
QAS-51000 SERIES GAS DETECTION SYSTEMS
The QAS-51000 series rack or wall mount single channel controllers are designed to
accept any 4 to 20 mA linear signal. The controller has a high visibility 3 digit LED
display and 3 DPDT onboard relays with high, low and fail alarm levels. It will also
support 2-wire and 3-wire remote transmitters at 25 to 30 VDC.
The QAS-51000 is an extremely compact unit, based on a 100 mm by 160mm eurocard
with a two inch wide front panel. Eight controllers will fit in one standard 19" x 5.25" rack.
Wall mount enclosures are available for 2, 4 or up to 8 controllers.
FRONT PANEL FEATURES
FIGURE 1
