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Designed to monitor carbon monoxide (CO) in underground parking garages, service garages, around steel making furnaces, breathing air, or any other area where CO may be present.

Unit of Measure
Items
500DR1

Carbon Monoxide Alarm Monitor, 1 remote sensor

500 Generic

Carbon Monoxide Alarm Monitor, diffusion sensor

500DR2

Carbon Monoxide Alarm Monitor, 2 remote sensors

500 Generic

Carbon Monoxide Alarm Monitor, built-in pump
Method of Detection N/A Disposable electrochemical cell N/A Disposable electrochemical cell N/A Disposable electrochemical cell (3-4 years) N/A Disposable electrochemical cell (3-4 years)
Ranges Available N/A 0-20 PPM standard
Resolution N/A 1 PPM
Accuracy & Repeatability N/A ±1% of full scale or 1 PPM, whichever is higher N/A ±1% of full scale or 1 PPM, whichever is higher N/A ±1% of full scale or 2 PPM, which ever is higher N/A ±1% of full scale or 2 PPM, which ever is higher
Drift N/A Less than 1% of full scale or 2 PPM per week, whichever is greater N/A Less than 1% of full scale or 2 PPM per week, whichever is greater N/A Less than 1% of full scale or 2 PPM per week, whichever is greater N/A ±1% of full scale or 2 PPM per week, whichever is greater
Response Time (T-90) N/A Less than 15 seconds to 90% step change
Ambient Temperature Range N/A 32 to 120°F (0 to 40°C), may be operated at lower temperature with auxiliary heater
Linearity N/A ±1% of full scale or 1 PPM, which ever is higher
Size & Weight N/A 14" H x 12" W x 8" D (35.6 x 30.5 x 20.3 cm) @ 18 lbs. (8.2 kg)
Power N/A 115 VAC, 60 Hz 220 VAC, 50 Hz
Output Options N/A 0-1 VDC 4-20 mA
Alarms N/A Optional - Dual high alarm light and relays (SPDT - 5A@ 230 VAC) Optional: Audible alarm with 'Acknowledge' button N/A N/A Optional - Audible alarm with 'Acknowledge' button Optional - Dual high alarm light and relays (SPDT - 5A@ 230 VAC) N/A Optional - Audible alarm with 'Acknowledge' button Optional - Dual high alarm light and relays (SPDT - 5A@ 230 VAC)
Options N/A
    Cold weather package for operation to -5°F (-20°C) Fail Safe' alarms available Low flow alarm on 540P NEMA 4X enclosure (WP) Strobe light
N/A Cold weather package for operation to -5°F (-20°C) Fail Safe' alarms available Low flow alarm on 540P NEMA 4X enclosure (WP) Strobe light N/A
    Cold weather package for operation to -5°F (-20°C) Fail Safe' alarms available Low flow alarm on 540P NEMA 4X enclosure (WP) Strobe light
N/A Cold weather package for operation to -5°F (-20°C) Fail Safe' alarms available Low flow alarm NEMA 4X enclosure (WP) Strobe light
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