Vaisala INTERCAP HMDW80 SERIES Especificaciones Pagina 147

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Performance
CARBON DIOXIDE MEASUREMENT
Measurement range 0 ... 2000 ppm
(nominal; can be calibrated for other ranges:
0 ... 5000 ppm, 0 ... 10,000 ppm, 0 ... 20,000 ppm)
Accuracy (including repeatability, non-linearity
and calibration uncertainty) ± (2 % of range + 2% of reading)
Long-term stability <±5 % of range / 5 years
Response time (63%) 1 minute
Warm-up time 1 minute, 15 minutes full specifications
TEMPERATURE MEASUREMENT (OPTIONAL WITH GMW21)
Output signal 0 ... 10V
Corresponding measurement range 0 ... +50 °C (+32 ... +122 °F)
Accuracy at +25 °C ±0.5 °C (0.9 °F)
Warm up time 30 min
Temperature sensor Semiconductor IC
Accessories and Options
Display and relay option for GMD/W21/22 GMI21
Relay output option GMR20
LonWorks
®
module with CO
2
signal GML20
(Not available when display option is added)
LonWorks
®
module with both CO
2
signal
and temperature signals GML20T
(Not available when display option is added)
Serial COM adapter 19040GM
Analog temperature module for GMW21
(not available when display option is added) GMA20T
Hand-held meter for field verification GM70
Operating Environment
Temperature -5 ... +45 °C (+23 ... +113 °F)
Humidity 0 ... 85 %RH, non-condensing
Flow velocity (GMD20) 0 ... 10 m/s
Electromagnetic compatibility EN61326-1, Generic Environment
Mechanics
Housing material ABS plastic
Housing classification (GMD20 electronics housing) IP65
Housing colour GMW21/22 NCS 0502-G50Y
Weight:
GMD20 (D) 140 g (170 g)
GMW21 (D) 100 g (130 g)
GMW22 (D) 90 g (120 g)
Inputs and Outputs
Outputs 0 ... 20 or 4 ... 20 mA and 0 ... 10 V
Optional outputs relay
LonWorks
®
interface
Resolution of analog outputs 8 bits
Recommended external load:
current output max. 500 ohm
voltage output min. 1 kohm
Operating voltage nominal 24 VAC/DC (18 ... 30 VDC)
Connections screw terminals, wire size 0.5 ... 1.5 mm
2
Power consumption <2.5 W
Dimensions
Dimensions in mm
GMD20 and GMD20D
GMW21 and GMW21D
GMW22 and GMW22D
CARBOCAP
®
is a registered trademark of Vaisala.
42
22
42
80
108.5
60
83
66.7
60
Ref. B210910EN-A ©Vaisala 2009
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifications — technical included — are subject
to change without notice.
Please contact us at
www.vaisala.com/requestinfo
www.vaisala.com
Scan the code for
more information
Technical Data
Carbon Dioxide
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