Sierra Monitor Corporation Carbon Monoxide Alarm 5398 21 User Manual

Model 5398-21  
Gas Sample Draw Panels  
Gas Sample Draw Panel (5398-21) provides an easy to  
use method of drawing an air sample from a remote, or  
hostile area to a more convenient location for analysis.  
The Sample Draw Panel can use gas sensor modules  
for Combustible or Toxic gases, either the Sentry style  
modules or the Analog (4-20 mA output) modules. It  
can use gas sensor modules for Combustible or Toxic  
gases.  
The integral sample pump to draw the sample at a high  
flow rate to reduce sample time. The sample is delivered  
to the sensor up-stream from the pump to avoid negative  
pressure conditions. A bypass line exhausts excess  
sample volume to avoid high flow rates across the sensor.  
Each panel is a self-contained system with the pump,  
flow indication, valves to control sample draw and  
calibration gas delivery, and the gas detection sensor  
and transmitter (priced separately) all housed in an  
enclosure. The flow systems design will deliver the  
sample to the sensor with minimal pressure affecting  
the sensor as the excess flow and pressure are bled off  
via the bypass flowmeter.  
Model 5398-21  
The Sample Draw Panels are intended for installation in  
an area, which is accessible, by the user for periodic  
routine inspection and calibration. The panel requires  
120 VAC input and provides local visual as well as  
remote indication of pump and flow status.  
Specifications:  
Power:  
110 VAC @ 1 amp  
Pump:  
Oil Free, Diaphragm Type  
Maximum Sample Draw:  
Flow Rates:  
Maximum Operating Pressure:  
Controls:  
600 feet with 1/4” tubing  
0-500 cc/min. Adjustable sample to sensor  
50 PSIG  
3-way valve for Run and Calibration  
Dry contact pump flow failure switch (contacts closed when  
flow is detected, open for alarm)  
Outputs:  
Filter:  
Tubing Connections:  
Coalescing filter for moisture knock-out for each sample line  
1/4" Tube Fittings for connection of:  
- sample lines  
- calibration gas  
- sample exhausts  
- bypass exhaust  
Enclosure type:  
Dimensions (H x W x D):  
Weight:  
NEMA 4X Fiberglass with window  
16.9 x 15.0 x 8.3 inches (42.9 x 38.1 x 21.1 cm)  
17.6 lbs (8.0 Kg) - without gas sensor module  
Mounting provisions for all standard Sierra Monitor Corp.  
Sentry andAnalog gas sensor modules  
Sensor/Transmitter:  
Ordering Information:  
Model 5398-21  
Single Channel Gas Sample Panel  
Model 5398-21 Dimensions  
Sierra Monitor Corporation 1991 Tarob Court Milpitas, CA 95035 USA (408) 262-6611 (800) 727-4377 Fax: (408) 262-9042  
Visit our Web site: www.sierramonitor.com  
© 2009 by Sierra Monitor Corporation  
 

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