ORDERING INFORMATION
Sensors and transmitters must be ordered separately
from the controller. When ordering please specify:
R8471A Combustible Gas Controller
Specify base or premium model, 3U or 4U height.
NOTE
Sensors and accessories are not tested and
approved by FMRC.
MOUNTING RACKS
A mounting rack is required for controller installation.
3U racks are used with gas controllers only. 4U racks
can house gas or flame controllers in any combina-
tion. See Figures 7 and 8. Rack sizes are available
to handle up to 8 flame controllers or up to 16 gas
controllers.
TRANSMITTERS
Standard Transmitter and Accessories
K Series Transmitter module
Junction Box with Connector Board
Calibration Meter
Transmitter Extender Plug (for use with sensor sepa-
ration kit)
Model 400/405B Transmitter and Accessories
Microprocessor based transmitters use optical cali-
bration meter and offer relay option (two SPDT
relays).
Junction box with bracket
Optional relay board
Optical calibration meter
U8700
Microprocessor based transmitter with pushbutton
self-calibration, digital display, LED annunciation of
alarm and fault conditions, self-diagnostics, optional
relay contacts.
SENSORS
Specify standard, poison resistant, or high tempera-
ture sensor, in aluminum or stainless steel housing.
SENSOR SEPARATION KITS
Specify whether used with K Series, Model 400/405,
or U8700 Transmitters.
ACCESSORIES
Silicone Free Grease
Rain Shield
Splash Guard
Dust Cover (Stainless Steel)
Dust Cover (Porex)
Sample Draw Assembly (one "T" fitting)
Sample Draw Assembly (two "T" fittings)
Open Frame Power Supply - 24 vdc at 3.6 amperes
Open Frame Power Supply - 24 vdc at 12 amperes
W4810 Power Supply (24 vdc) mounted in explosion-
proof enclosure
CALIBRATION KITS
Calibration Kit includes regulator, hose, calibration
cup, and two cylinders of calibration gas. Available
gases are:
Methane - 20, 25, 35 and 50% LFL
Ethane - 50% LFL
Ethylene - 50% LFL
Propane - 50% LFL
Hydrogen - 50% LFL
Replacement Parts for Calibration Kit
Regulator
3 foot hose
Standard calibration cup
Modified calibration cup (for sensor separation)
Replacement Cylinders
Methane (20% LFL)
Methane (25% LFL)
Methane (35% LFL)
Methane (50% LFL)
Ethane (50% LFL)
Ethylene (50% LFL)
Propane (50% LFL)
Hydrogen (50% LFL)
Air (0% LFL)
For assistance in ordering a system to meet the
needs of a specific application, please contact:
Detector Electronics Corporation
6901 West 110th Street
Minneapolis, Minnesota 55438 USA
Telephone (612) 941-5665
Telex 6879043 DETEL UW
Cable Detronics
Facsimile (612) 829-8750
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