Specifications

CATALYTIC
Gas B.11 Catalytic 52-1002-5 9/01/2008
Duct Mount and Sample Draw Assemblies for CGS
Direct Duct Mount Assembly (Spec Sheet: 90-1046). For mounting combustible sensors to air
handling duct work. The Direct Duct Mount CGS assembly enables combustible gas detection in air
handling, heating, ventilating, and air conditioning ducts. Designed for flat surface mounting only.
x Seal gaskets provided to prevent leakage
x Circular duct wall cutout required
x Positive pressure ducts only
x Calibration gas inlet enables in-situ calibration
x Flexible conduit/cabling recommended to enable sensor removal from assembly
Combustible Model Q811 Duct Mount Enclosure (Manual: 95-8459)
The Q811 provides combustible gas detection in air handling, heating, ventilating, and air
conditioning ducts.
x Designed for flat surface mounting only
x Stainless steel NEMA 4X enclosure
x Includes catalytic bead sensor
x Stainless steel sample inlet tube spans the duct’s cross section
x 1 foot tube returns the sample
x Requires a 600–4000 fpm velocity
Sample Draw Cup Assembly for CGS
The Sample Draw cup assembly for CGS provides a sealed enclosure with compression fittings to
enable the CGS to be used as part of an extractive gas sampling system.
x Aluminum enclosure with seals provides airtight flow chamber
x Brass compression fittings accept 1/4" OD tubing
x Threaded cover enables sensor removal
x Sampling system hardware required for proper operation
Duct Mount Assemblies for CGS
Part Number Material Ship Weight
226846-001 AL 6 oz (0.17 kg)
226846-008 SS 1 lb (0.46 kg)
Model Q811 Combustible CGS Duct Mount Enclosure
Part Number Material Ship Weight
000811-001 SS 10 lb (4.5 kg)
1 inlet and 1 return tube included at no extra cost. Specify length of inlet tube at time of order (1, 3, 6, 10 or 13 ft).
Includes preinstalled CGS catalytic sensor. Does not include transmitter.
Model Q811 Sample Tubes
Part Number Material Ship Weight Length
000214-126 SS 8 oz (0.23 kg) 1 ft
000214-127 SS 1 lb (0.45 kg) 3 ft
000214-128 SS 3 lb (1.35 kg) 6 ft
000214-129 SS 6 lb (2.4 kg) 10 ft
000214-180 SS 9 lb (4.0 kg) 13 ft
000214-130* SS 8 oz (0.23 kg) 1 ft
* Return tube
Sample Draw Cup Assembly for CGS
Part Number Material Ship Weight
009171-001 AL 1 lb (0.45 kg)