Specifications

NEW: The GMM 220 series modules for demanding
OEM applications feature remote hermetically sealed
probes with CARBOCAP®
®
technology.
A cost-effective solution to your ventilation problems,
the GMD/W 20 series CO
2
duct and wall mount
transmitters, also featuring CARBOCAP
®
technology,
are so stable they require calibration only every five
years. This breakthrough self-compensating sensor
technology is also utilized in the GMM 20W for OEM
applications.
Temperature measurement has been added as an
option to Vaisalas GMD/W20 series. Another ex-
ample of our products being designed to meet our
customers needs.
Vaisalas portable CO
2
meter, model GM 12, is
available in two measurement ranges (up to 3000
ppm and 3%) and offers a digital display, analog
output and adjustable audible alarm. A battery
charger and carrying case are included.
The GMP 111 for industrial applications is available
with a standard NEMA enclosure, or an optional
digital display.
Carbon Dioxide Measurement Instruments
Vaisalas line of CO
2
instruments will meet your
Indoor Air Quality (IAQ) and industrial needs. Our
new duct/wall-mount transmitters and OEM products
feature the new CARBOCAP
®
, a sensor so stable that
these instruments require calibration check only
every five years. Vaisala utilizes patented non-
dispersive infrared (NDIR) technology for the most
accurate, stable, and cost-effective CO
2
measurement
solutions available.
Vaisalas 140 series products have a unique modular
structure which permits the mixing and matching of
electronics, sensing heads, and enclosures for a cost-
effective, customized solution. Our engineering staff
is also ready to design a unique proprietary solution,
using Vaisalas patented HUMICAP
®
RH sensor
technology, to meet your exact requirements.
Or select from one of our standard OEM products:
NEW: The HMM 210 series modules offer humidity
and dewpoint measurements for the most demand-
ing applications.
The HUMITTER
®
RH and RH/T series offers com-
pact, fully integrated electronics in a NEMA 4
enclosure, and a fully interchangeable INTERCAP
®
RH sensor which eliminates the need for
recalibration.
The HMM 22D, with its small sensing head, and the
HMM 30C, featuring a stainless steel sensor probe,
offer high performance while meeting the need for
low cost solutions.
Customized, Modular Relative Humidity Products for OEM
Applications
Let Vaisala customize a solution to meet your unique
requirements, or select from one of our standard
OEM products.
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