PureAire Monitoring Systems, Inc.
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2: Specifications
NOTE:
For our continual
product improvement, all specifications are subject to change without notice.
2.1 Performance Specifications Carbon Dioxide Sensor
Sensor Type:
Long Life NDIR Sensor
0-50,000ppm
Response Time:
Within 1 second of any change in CO
2
.
Accuracy:
Accuracy: ±300 ppm, ±3% of measured value
Fault Indicators:
Loss of VDC power (analog signal drops to 0 mA).
Sensor cell failure: Fault relay activated.
(Must have Alarm relay option for
cell failure to operate)
Operating Temp: 32° to 122°F (0° to +50°C); consult PureAire for lower or higher operating
temperatures.
Humidity:
0 to 95% RH.
Environment:
Altitude 2000 m, PSU only UL spec. Pollution Degree 3, Intended for Indoor Use.
CE
EN 61000-3-2:2006 EMC, EN 61000-3-3:2008 EMC, EN61010-1-3-2013 LVD
2.2 Gas Detection System
Transmitter:
Microprocessor electronics with built-in 3-digit backlit LCD display
Joystick operated menus
2.3 Signal Outputs
Local Display:
Digital display calibrated for Carbon Dioxide. The range is stated on the model
label and can also be accessed via the joystick on the front panel. In the
measurement mode pushing the joystick down will scroll the gas and range on
the display. Push the joystick down again to stop the scrolling and display the
gas again.
Standard
Analog Output:
DC 4-20 mA
Relay Output:
Dual level user selectable alarm relays and one fault relay
Rated, 2amps @ 24VAC or 24VDC
2.4 Electrical Requirements
Power:
24 VDC external power. A regulated 24VDC power supply is required.
Consumption:
Approximately 50mA
2.5 Physical Characteristics
Dimensions:
6.5 (W) x 3.15 (H) x 3.00 (D) inches; 165 x 80 x 76 mm (Max with feet)
Weight:
1.1 pounds (0.5 kg)
Enclosure Type:
General purpose; not intended for explosive atmospheres.
