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Nitrogen Dioxide Detector and Transducer Parking Garage Warehouse Maintenance Facility Ice Skating Arena Storage Facility ND-2 * Automatic Ventilation Controller * 4 to 20 mA Output, for 0 to 6 ppm * Microcomputer Controlled * Digital Display: 0 to 9 ppm N02 * Highly Linear Electrochemical Sensor * Relay w/Selectable Set Point & Delay * Diesel Exhaust detection and control * Specific to Nitrogen Dioxide. * Provides Nitrogen Dioxide detection, digital display of gas concentration, 4 to 20 mA output, and a relay to automatically control exhaust fans or other devices. * ND-2 works on a wide range of power: 12 to 24 VAC or VDC. * Meets the requirements of OSHA and the state of Wisconsin. * Housed in Nema 1, UL, metal knockout case. * Internally adjustable switch for relay delay from 0.5 to 5 minutes. * Bright LED shows relay status, flashes during delay period, is on steady when the relay closes. * Replacement sensors and field calibration kit available. Normal sensor life is over 2 years. * Isolated 4 to 20 mA output (1000 volts) so common power supplies can be used. 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 RELAY: 5 Amps, 24OVAC, pilot duty, SPDT RELAY SET POINT: 0.5 to 3.0 ppm OPERATING ENVIR.: 0 to 125¡ F, 10 to 90% RH LINEARITY: Within 1%. ACCURACY (after calibration): ± 3% SENSOR OUTPUT DROOP: Less than 2% a month. ALL UNITS ARE FACTORY CALIBRATED TYPICAL COVERAGE: 5000 square feet per unit Manufacured By: Macurco Inc. Distributed By Engwald  |
