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07/21/2011 11 :20 FAX 20946831 8JC_C0MM_0EV 1a003/003 — sierra monitor corporation Model 20OX Series MonitorsM11C Gas Sensor Model 2001 - Combustible Gas J!Y.'j'Model 2003 - Hydrogen Sulfide Model 2006 - Carbon Monoxide Me Model 20OX Series are compact solid state,fixed-installation single alarm monitors designed Por continuous area monitoring of Combustible Gas,Hydrogen Suttide,or Car- bon arbon Monoxide. The Model 20OX Series consists of three separate gasSemiconductor-Type Sensor monitors, Model 2001 for Combustibles Model 2003 Hydrogen Sulfide and Model 2006 for Carbon Monoxide. A solid-state semiconductor-type sensor and associated A red LED (fight-emitting diode)and audible alarm acd- electronic circuitry ensure trouble-free,long-term opera- vate when the concentratlon of gas exceeds the factory- tion. There are no pumps, filters or chemical cells to set(and user-adjustable) level. A green LED indicator replace or maintain. Except periodic calibration to verify on the monitor shows that power is connected and It Is the alarm setting, no attention is required after Installs- a safe condition. tion. The user may adjust the alarm level by using a different calibration gas Concentration. The standard configuration has a buzzer and normally operating open relay,a fell-safe normally operating dosed A Sensor self-Check feature will flash the LEDs on and relay is field selectable. off alternatively and sound an interrupted tone as a warn- Ing should the sensor fail (open circuit).All the electronic circuitry needed to operate the moni- tor, except the DC input power, is contained in a com- Remote Alarm Available pact unit. It may be mounted in any orientation. For a single-monitor installation and a local alarm,the accom- If a remote alarm is desired,the Model 2102 Dual Chan- panying AC-to-DC power supply may be plugged into a nel Alarm Panel can be connected up to 500 feet from standard AC source.The monitbrs accept 9-17 VDC. the monitors. Featurea Benefits • Self-check feature signals sensor failure N Reliable operation • Optional normally operating close relay N Fail-safe configuration • No chemical cells to replace, no periodic N Mairitenace free operation maintenace toher that routine cialbratlon Quick easy installation and connection to • All the electronic circuitry needed to operate alarm panel the monitor contained compact unit, power supily plugs into standard AC source Sierra Monitor Corporation 1991 Tarob Court Milpttas,CA 95035( 13)262.6611 (600)727-4377 Fax: (408)262-9042