Key Points
LCD display with field calibration menu
Adjustable for ranges of 2000, 5000, or 10,000 ppm CO2
Integrated set-point relay
Field replaceable NDIR element
Temperature options
Applications
Controlling ventilation in response to occupancy
Facilitates compliance with ASHRAE 62.1 standard for air quality
Offices, conference rooms, and public assembly areas
Self-calibrating NDIR sensor for high accuracy. A built-in LCD display makes set up a snap, and a standard solid-state setpoint relay makes demand ventilation easy. Probe is non-directional for accurate readings and ease of installation. Dual 4-20mA and 0-10/5 vdc outputs.
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Easy to install and maintain
Integrated display and push-button menus for field selectable scale, calibration, and operational modes
Dual 4-20mA and 0-5V/0-10V output (jumper selectable)
Integrated high-reliability solid-state set-point relay is ideal for direct control applications; easy to set up thanks to LCD
High reliability reduces call backs
Non-dispersive infrared sensing element (NDIR)
Field replaceable CO2 sensor
15+ year life expectancy on CO2 sensing element
Industry leading 7-year limited warranty on electronics; NDIR module 3 years
High accuracy for improved system performance
Selectable auto-calibration mode returns sensor to baseline values
±40ppm, ±3% of reading
SPECIFICATIONS
Power Supply
12-30VDC/24VAC(1), 100mA max.
Analog Outputs
Dual Analog
3-wire 4-20mA and 0-5V/0-10V (2) (jumper)
Output scaling
0 - 2000 or 0 - 5000 ppm (selectable)
Digital Setpoint Output
Programmable
Solid-state, 1A @ 30VAC/DC, N.O.
Sensor Performance
Type
Non-dispersive Infrared (NDIR)
Accuracy
±30ppm, ±3% of reading (400-2000ppm)
Response time
60 seconds to 90% reading
Output update rate
1 second
LCD Menu Setup Parameters
SPH, Setpoint, Hi (On point)
500ppm to full-scale (800ppm default)
SPL, Setpoint, Lo (Off point)
400ppm to full-scale-50 (700ppm default)
SCL, Scaling
0-2000ppm, 0-5000ppm, 0-10000ppm (2000ppm default)
ADJ, Adjustment
Offset adjustment +/-250ppm (0 default)
CAL, Calibration mode
Automatic mode ON or OFF (default=ON)
RUN, Run mode
Displays CO2 in ppm
Operating Environment
Temperature
14 to 122F (-10 to 50C)
Humidity
0-95% non-condensing
Enclosure
Material
ABS/Polycarbonate
Dimensions
4.0’ h x 4.4”w x 2.1”d (+6.8” probe)
One side of transformer secondary is connected to signal common. Dedicated transformer is recommended.
15-30VDC/24VAC power supply voltage required for 10 volt output.
All prices shown are excluding tax unless otherwise specified.
