Vaisala INTERCAP HMDW80 SERIES Especificações Página 138

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GMW90 Series Carbon Dioxide, Temperature and Humidity Transmitters for HVAC
are available with either a display opening or a solid front. An optional traffic light
indication can also be selected.
The Vaisala GMW90 Series CARBOCAP
®
Carbon Dioxide, Temperature, and
Humidity Transmitters are based on new
measurement technology for improved
reliability and stability. With the new
technology the transmitter’s inspection
interval is extended to five years.
Designed for demand controlled
ventilation, these transmitters measure
carbon dioxide and temperature, with
the option for humidity measurements.
The instruments come with a calibration
certificate that meets traceability and
compliance requirements.
Reliability from Unique
Measurement Technology
The GMW90 Series Transmitters use
advanced Micro-Electro-Mechanical
System (MEMS) technology for
measuring carbon dioxide. The
CARBOCAP
®
carbon dioxide sensor's
continuous reference measurement
enables reliable and accurate readings
and outstanding long-term stability
also in buildings with round-the-clock
occupancy.
The new generation CARBOCAP
®
sensor
no longer uses an incandescent light
bulb, which limits sensor lifetime. This
unique sensor consumes very little
power compared to other sensors on
the market. As a result, instrument
self-heating is low and humidity and
temperature can be measured correctly.
Convenient Installation
GMW90 Series Transmitters have
been designed for quick and easy
installation and maintenance. Every
model includes a display for easy
startup and convenient maintenance.
To protect the sensor from dust and dirt
during construction and installation,
the units can be cabled with back-plate
only. Electronics can be snapped on
later at an appropriate phase in the
construction project. Dip switches
make it quick and easy to configure the
transmitters.
Easy Calibration
Regular instrument maintenance
guarantees a long product lifetime.
Calibration is easiest done with the
exchangeable measurement modules.
Sensor traceability and measurement
quality is easily maintained by snapping
on a new module calibrated at Vaisala
factory. The instrument can also be
calibrated using a hand-held meter or
reference gas CO
2
bottle. The service
interfaces are easy to reach by simply
sliding the cover down. The closed cover
keeps the measurement environment
stable during calibration and ensures a
top-quality final result.
Make the transmitter blend into your
interior design with the optional
decorative cover.
GMW90 Series Carbon Dioxide, Temperature, and Humidity
Transmitters for Demand Controlled Ventilation Applications
Features/Benefits
Measured parameters: carbon
dioxide, temperature, and
humidity (optional)
Superior long-term stability
with the next generation Vaisala
CARBOCAP® sensor
Accurate temperature and
humidity measurements in a
three-parameter instrument due
to the low-power microglow
infrared source
Quick and easy installation and
maintenance
Calibrated, user-exchangeable
modules for carbon dioxide,
temperature and humidity
3-point traceable CO
2
calibration
(certification included)
Both analog and digital commu-
nication (BACnet/Modbus)
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