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ND-1 Data Sheet



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







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