Specifications

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E-MAIL: [e-mail] Access catalog on-line at: www.vaisala.com/inc/ssdcat
84
MEASUREMENT RANGES
GMM221 0...2 % CO2
0...3 % CO2
0...5 % CO2
0...10 % CO2
0...20 % CO2
GMM222 0...3000 ppm
0...5000 ppm
0...7000 ppm
0...10 000 ppm
Accuracy at 77°F (+25 °C) against certified factory references
<±[1 %FS + 1.5 % of reading]
(incl. nonlinearity and calibration uncertainty)
Repeatability <±1 %FS
Temperature dependence
of output (typical value) 0.05 %FS /°F (0.1 %FS /°C)
Pressure dependence (typ.) 0.1 %FS/hPa
Long-term stability <±5 %FS/2 years
Response time (63%)
GMM 221 15 seconds
GMM 222 30 seconds
GENERAL
Output signals 0...20 or 4...20 mA
and 0...1 V or
0...2 V, 0...2.5 V, 0...5 V
Resolution of analog outputs 0.03 %FS
Recommended external load:
current output max. 200 Ohm
voltage output min. 1 kohm
Power supply 11...20 VDC or
18...30 VDC
Serial output @ 5V level
Power consumption <2.5 W
Warm-up time <5 minutes
Operating temperature
Range -4°...+140 °F (-20°...+60 °C)
Operating humidity range:
probe 0...100 %RH
non-condensing
mother board 0...85 %RH
non-condensing
Housing material ABS plastic
Housing classification
(probe only) NEMA4 (IP 65)
Weight:
GMM 221probe max. 175 g
GMM 222 probe max. 200 g
ACCESSORIES
GMP221, GMP222 spare probe
(use the order form to define measurement range etc.)
GM25245 clips (2 pcs) for
attaching the probe
GM45156 mounting flange for the probe
0.6 m cable with straight or 90° connector
2.0 m cable with straight or 90° connector
19040GM serial COM adapter
The GMM221 and GMM222 modules comply with the
following EMC standards and have passed the following tests:
EN 50081-1 (EN 55022 class B = CISPR 22)
En 50082-1 (IEC 1000-4-2, 4 KV contact, 8KV air)
(IEC 1000-4-3, 80 - 1000 MHz, 80 % AM, 3V/m)
(IEC 1000-4-4, 500V)
(IEC 1000-4-6, 0.15 - 80 MHz, 80%, 3V/m)
CARBOCAP® is a registered trademark of
Vaisala Oyj. Specifications subject to change
without prior notice.
TECHNICAL DATA - GMM 220 SERIES
Dimensions in mm
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