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Nitrogen Dioxide Detector and Controller Parking Garage Warehouse Maintenance Facility Ice Skating Arena Storage Facility ND-1 * Automatic Ventilation Controller * Dual relays: Fan (SPDT) & Alarm (N.O.) * Microcomputer Controlled * Digital Display: 0 to 9 ppm N02 * Highly Linear Electrochemical Sensor * Selectable Set Points & Delay Time * Diesel Exhaust Detection and Control • Specific to Nitrogen Dioxide. • Provides Nitrogen Dioxide detection, digital display of level in ppm, a relay to automatically control exhaust fans, a loud audible alarm, and an alarm relay. • Meets the requirements of OSHA and the state of Wisconsin. • Housed in Nema 1, UL listed, metal knockout case. • Internally adjustable set points for fan and alarm relays. • Adjustable switch for fan delay from 0.5 to 5 minutes. • Bright LED's show relay status: amber fan LED flashes during delay period and is on steady when the relay closes. The red alarm LED flashes during the 5 minute delay period and is on steady to show the relay has closed. • Replacement sensors and field calibration kit available. Sensor life is about 2 years. SPECIFICATIONS POWER: 1.2 Watts from 12 to 24 VAC or VDC SIZE: 6 X 6 X 3 inches COLOR: Gray SHIPPING WEIGHT: 3 pounds FAN RELAY: 5 amps, 24OVAC, pilot duty, SPDT ALARM RELAY: 0.5 amps, 200V, 1 OVA, NO. FAN RELAY SET POINT: 0.5 to 3.0 ppm MANUFACTURED BY: ALARM RELAY SET POINT: 1.0 to 5.0 ppm OPERATING ENVIR.: 0 to 125¡ F, 10 to 90% RH LINEARITY: Within 1%. SENSOR OUTPUT DROOP: Less than 2% per month. ALL UNITS ARE FACTORY CALIBRATED TYPICAL COVERAGE: 5000 square feet per unit Manufacured By: Macurco Inc. Distributed By Engwald  |
