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Gas and Specialty Sensors

CD-A Series



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CD-A Series

Kele Carbon Dioxide Sensors CD-A Series

Kele Carbon Dioxide Sensors

 

The Kele Model CD-A Carbon Dioxide Sensors represent a new level of economy in reliable non-dispersive infrared CO2 detection. Designed for use in building automation systems, BAS, the gas sensors measure environmental carbon dioxide levels for use in demand-controlled ventilation and air-quality monitoring scenarios in accordance with ASHRAE standards. Fully isolated analog outputs and a convenient center wiring terminal make installation both simple and trouble-free. The analog output is jumper-selectable, 4-20 mA or 0-10 VDC, over the industry standard 0-2000 ppm CO2 range. Models are also available with an optional LCD display and/or control relay with adjustable setpoint.


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QtyModelDescriptionIn StockList PriceInternet Price
89-0018-00 REPL FILTER FOR CD-AD DUCT PROBEINFO27.5415.42
CAL-KIT-2 CD/KCD SERIES CALIBRATION KIT/2000 PPM GASINFO820.08459.24
CD-AD CO2 SENSOR DUCT 4-20MAIn Stock538.56301.59
CD-AD-LCD CO2 SENSOR DUCT 4-20MA LCDIn Stock624.24349.57
CD-AD-R CO2 SENSOR DUCT 4-20MA RELAYIn Stock582.42326.16
CD-AD-R-LCD CO2 SENS DUCT 4-20MA LCD RELAYIn Stock671.16375.85
CD-AW CO2 SENSOR 4-20MAIn Stock451.86253.04
CD-AW-LCD CO2 SENSOR 4-20MA LCDINFO540.60302.74
CD-AW-R CO2 SENSOR 4-20MA RELAYIn Stock498.78279.32
CD-AW-R-LCD CO2 SENSOR 4-20MA RELAY LCDINFO587.52329.01
DUCT-KIT DUCT SAMPLING KIT FOR 310E SERIESINFO189.72106.24
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Accessories

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Features
  • 24 VAC/VDC power
  • 0-10 VDC or 4-20 mA analog output, jumper selectable
  • 0-5000 ppm CO2 range
  • Wall-mount and duct-sampling versions
  • Isolation of output and power
  • Compact, attractive enclosure
  • Optional control relay with adjustable setpoint
  • Simple single-point calibration
  • Optional LCD display
  • Factory calibrated
Specifications

Supply Voltage:20-30 VAC @ 2.5 VA or 18-30 VDC @ 104 mA

Accuracy:±5% of reading or ±75 ppm, whichever is greater Max drift (per year) ±75 ppm Repeatability ±20 ppm

Signal Output:0-10 VDC (factory setting) 4-20 mA (field selectable), 500Ω max

Measurement Range:0-5000 ppm CO2

Sensing Technology:Non-dispersive infrared (NDIR)

Calibration Interval:Five years, Span only (automatic electronic zero adjustment)

Life Expectancy:10 years typical

Visual Indication:0.35" LCD (0.88 cm), 4 digit

Warm Up Time:3 minutes

Response Time:Less than 1 min

Deadband:50 ppm (alarm)

Relay Setpoint:1000 ppm (field adjustable 700-1300 ppm)

Relay Output:N.O. (N.C. field selectable), 2A @ 24 VAC, (40 ppm DIF)

Operating Temperature:32° to 122°F (0° to 50°C)

Operating Humidity:0% to 90% RH noncondensing

Dimensions:

Wall:5.2″H x 3.2″W x 1.4″D (13.2 x 8.1 x 3.6 cm)

Duct:5.2"H x 3.2"W x 3.4"D (13.2 x 8.1 x 8.6 cm)

Weight:

Wall:0.61 lb (0.27 Kg)

Duct:1.35 lb (0.61 Kg)

Warranty:1 year

Certifications


 

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