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Hersteller: Sierra Monitor Corporation Dateigröße: 150.44 kb Dateiname: Unterrichtssprache:

Except periodic calibration to verify the alarm setting, no attention is required after installation. The user may adjust the alarm level by using calibration gas with concentration equal to the alarm level. Features Model 20X Series Gas Sensor Monitors Model 201 - Combustible Gas Model 203 - Hydrogen Sulfide Model 206 - Carbon Monoxide Remote Alarm Available If a remote alarm is desired (required for 20X-00), the Model 2102 Dual ChannelAlarm Panel can be connected up to 500 feet away from the monitors. Model 201 - Combustible Gas The Model 201 can detect a wide range of combustibles. Typical applications include combustible gas monitoring in manholes, tanks, natural gas fields, parking garages and vehicle maintenance facilities, sewage treatment plants, laboratories, chemical plants, and more. Benefits ■ Explosion-proof enclosure Can operate continuously in work areas where hazardous gases could be present ■ No chemical cells to replace, no periodic Maintenance free operation maintenance required other than routine calibration ■ All the electronic circuitry needed to operate Quick easy installation and connection to alarm panel the monitor contained in a compact unit Sierra Monitor Corporation 1991 Tarob Court Milpitas, California 95035 (408) 262-6611 (800) 727-4377 Fax: (408) 262-9042 Model 203 - Hydrogen Sulfide The Model 203 can be used in such typical applications as wastewater treatment plants, laboratories and chemical plants. Model 206 - Carbon Monoxide The Model 206 Carbon Monoxide Gas Sensor Module can be used to provide an early warning of Carbon Monoxide accumulation in tanks, laboratories, chemical plants, parking garages, vehicle test facilities and more. SPECIFICATIONS SENSOR TYPE: Solid-State Metal Oxide Semiconductor RANGE: Model 201 Model 203 Model 206 RESPONSE TIME: Model 201 Model 203 Model 206 PERIODIC MAINTENANCE: OPERATING TEMPERATURE RANGE: INPUT OUTPUT INDICATORS: ENCLOSURE: ENCLOSURE MATERIAL: SIZE: WEIGHT APPROVAL: (at 50% relative humidity) 300 - 2,000 ppm Hydrogen 500 - 10,000 ppm Methane 10-50 ppm Hydrogen Sulfide (H S) 2 50 - 500 ppm Carbon Monoxide (CO) Less than 30 seconds Less than 60 seconds Less than 30 seconds None, other than routine calibration -4°F TO 158°F (-20°C TO 70°C) 9 - 24 VDC (+ 1V), 250 mA 0.5 amp dry contact, 100 VDC, 130 VAC Nominal 5 volts DC (TTL), source 25mA. SAFE and ALARM signals. Internal LED for calibration Class I, Division 1, Groups C, D Cast aluminum for protection against galvanic corrosion 6.75 x 4.0 x 3.5 in (17.1 x 10.2 x 6.0 cm) 24 oz (678 g) UL 61010-1:2004 CSA-C22.2 ORDERING INFORMATION Combustible Gas 201-00 Hydrogen Sulfide 203-00 Carbon Monoxide 206-00 © 2008 by Sierra Monitor Corporation Printed in U.S.A. Sierra Monitor Corporation 1991 Tarob Ct. Milpitas, CA 95035 (408) 262-6611 800-727-4377 FAX: (408) 262-9042 Visit our Web site at: E-Mail: sierra@sierramonitor.com Rev. B 4/13/11...

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