Vaisala HUMICAP MMT310 Manual de servicio Pagina 104

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GMM111 Carbon Dioxide Module
The Vaisala CARBOCAP
®
Carbon Dioxide Module GMM111 is a CO
2
measurement
module with flow-through aspiration.
Features/Benefi ts
Compact CO
2
module with
ow-through aspiration
Ideal for control of CO
2
concentrations in incubators
Incorporates Vaisala
CARBOCAP®, the silicon based
NDIR sensor with unique
internal referencing
Advanced single-beam, dual
wavelength measurement with
no moving parts
Measurement range options
0 ... 5 %, 0 ... 10 % and
0 ... 20 % CO
2
Excellent long-term stability
GMM111
The Vaisala CARBOCAP
®
Carbon
Dioxide Module GMM111 is
designed especially for control of
biological processes where high
CO
2
concentrations are used. It has
3 optional measurement ranges
0 ... 5/10/20 % CO
2
. The GMM11 is a
ow-trough model and has barbed
conncectors for attaching the in and
out  ow tubes. As the module is not
mounted in the chamber, the chamber
can be heatsterilized without
removing the module.
The Vaisala CARBOCAP
®
CO
2
sensors have been proven to be
accurate anddurable. They have an
excellent long-term stability, which
decreases maintenance. The
superior performance of Vaisala
CARBOCAP
®
sensors results largely
from the stable reference provided by
the electrically tunable Fabry-Perot
Interferometer(FPI).
The tunable FPI  lter measures CO
2
absorption, and simultaneously a
reference wavelength. This internal
reference measurement compensates
effectively for any changes in the
optical path, such as light source
intensity changes and contamination.
In the HVAC market, this type of
reference measurement is a unique
feature to Vaisala CARBOCAP
®
products.
The true internal reference
measurement of Vaisala CARBOCAP
®
CO
2
transmitters provides years of
stable CO
2
measurements.
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