Dwyer Instruments SERIES CDWP Data Sheet
®
SERIES CDWP | CARBON DIOXIDE TRANSMITTER
FEATURES/BENEFITS
• IP54 aluminum housing
• Durable and rugged housing tested to withstand 168 hour salt spray test
• Single-beam dual-wavelength sensor automatically corrects for aging
effects
•Measuresunlteredlightintensitydirectlyandeliminateserrorfrom
incorrect assumptions of gas concentration in theoretical logic
assumption methods
• Universal outputs to work with any building management
APPLICATIONS
• Animal Husbandry
• Mechanical Room
• CO2 Refrigeration Monitoring
• Greenhouses
DESCRIPTION
The Series CDWP Carbon Dioxide Transmitters accurately monitor the CO2 concentration
in industrial and indoor environments to help achieve energy savings. For increased sensor
life and accuracy, a single-beam dual-wavelength non-dispersive infrared (NDIR) sensor is
used to eliminate light source aging effects. This sensing technology provides the highest level
of accuracy compared to Automatic Baseline Correction methods, which can unintentionally
shift the calibration based on CO2 levels and barometric pressure conditions.
Sensor Single beam, dual-wavelength NDIR.
Range CO
SPECIFICATIONS
Temperature Dependence ±8 ppm/°C at 1100 ppm.
Pressure Dependence 0.13% of reading per mm of Hg.
Temperature Limits 32 to 122°F (0 to 50°C).
Power Requirements 16 to 35 VDC or 19 to 28 VAC.
Power Consumption Average: 2 w; Peak: 3.75 w.
Mounting Orientation Vertically, with electrical connection pointing downwards.
Agency Approvals CE.
Accuracy CO
Non-Linearity 16 ppm.
Response Time
Humidity Limits 10 to 95% RH (non-condensing).
Output Current: 4 to 20 mA (max. 500 Ω); Voltage: 0 to 5 VDC or 0 to 10 VDC (min. 500 Ω).
Enclosure Rating IP54.
Weight 26.24 oz (744 g).
2: 0 to 2000, 0 to 5000, or 0 to 10000 ppm (depending on model).
2: ± 40 ppm ±3% of reading.
300 s (
t63).
DWYER INSTRUMENTS, INC.
| |
®
DIMENSIONS WIRING DIAGRAM
(OPTIONAL
4-11/32
[122.23]
M12 CONNECTION)
11
SUSPENSION
BRACKET)
/16 [17.46]
8 X Ø3/16
[4.76]
4 X 3/4
[19.05]
1-6 MM OR 5-10 MM
(OPTIONAL 4-6 MM OR 6-8MM
[110.32]
6 [152.40]
5-5/32
[130.96]
CABLE GLAND
Ø1/4 [6.35]
2-5/16
[58.73]
1-27/32
[46.82]
2-1/32
[51.59]
4-13/16
HOW TO ORDER
Use the bold characters from the chart below to construct a product code.
CDWP -05 W -C1 -FC
SERIES
CDWP: Industrial carbon dioxide transmitter
GAS CONCENTRATION RANGE
-02: 2000 PPM
-05: 5000 PPM
-10: 10000 PPM
OPTIONS
-FC: Factory calibration certicate
ELECTRICAL CONNECTION
-C1: Cable gland 1 to 6 mm cable
-C5: Cable gland 5 to 8 mm cable
-M4: M12 connection 4 to 6 mm cable
-M6: M12 connection 4 to 8 mm cable
MOUNTING CONFIGURATION
W: Wall mount
M: Suspended mount
Important Notice: Dwyer Instruments, Inc. reserves the right to make changes to or discontinue any product or service identied in this publication without notice. Dwyer advises its customers to obtain the
latest version of the relevant information to verify, before placing any orders, that the information being relied upon is current.
DWYER INSTRUMENTS, INC.
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DS-CDWP | 3/18
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