Model CDD Duct Mount Carbon Dioxide Transmitter

NDIR Sensing Technology, 2000 PPM Range

The Model CDD Duct Mount Carbon Dioxide Transmitter monitors the occupancy in a room by detecting the concentration of carbon dioxide in the return air duct. The non-dispersive infrared sensing technology automatically updates the calibration of the transmitter using a proprietary logic feature which limits the amount of error due to drift. The Model CDD can measure up to 2000 PPM in duct air flows less than 1500 FPM.

Product Applications

  • On demand room ventilation.

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Model Description Usually Ships* Price Order
CDD
Ships: Next Day
Price: $267.00
Carbon dioxide transmitter, duct mount. Next Day* $267.00 Order
CDD-LP
Ships: Next Day
Price: $338.00
Carbon dioxide transmitter, duct mount, 2000 ppm, 0-10 VDC output, 8" probe. Next Day* $338.00 Order

Specifications

Range:
0 to 2000 PPM.
Accuracy:
±40 PPM + 3% of reading @ 22°C.
Temperature Dependence:
0.2% FS per °C.
Stability:
< 2% of FS over life of sensor.
Non-Linearity:
< 1% of FS.
Pressure Dependence:
0.13% of reading per mm of Hg.
Response Time:
3 minutes typical for 90% step change.
Duct Air Velocity Range:
0 to 1500 FPM (7.63 m/s).
Ambient Operating Temperature:
32 to 122°F (0 to 50°C).
Storage Temperature:
-4 to 158°F (-20 to 70°C).
Power Requirements:
18 to 30 VAC RMS 50/60 Hz or 18 to 42 VDC.
Outputs:
0 to 10 VDC.
Housing:
Flammability Classification UL rated 94V-5VA.
Weight:
8 oz (230 g).

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