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54
HMM100 Humidity Module for Environmental
Chambers
The Vaisala HUMICAP
®
Humidity
Module HMM100 is an open
frame module for integration into
environmental chambers. The
modules provide a single analog
output channel for relative humidity
(RH) or dew point (T
d
).
Two probes are available, one made
of plastics, the other of stainless
steel. Several cable lengths up to
3 meters are available. Both the
probes have the Vaisala HUMICAP
®
180R sensor which ensures excellent
measurement accuracy.
Robust and Reliable
The HMM100 probe works in freezing
conditions (-70 °C) and also in
temperatures up to +180 °C. The
HMM100 is easy to install and the
The Vaisala HUMICAP
®
Humidity Module HMM100.
probe can be freely placed in a test
chamber as the speed of airflow does
not affect the measurement.
Maintenance-free
Compared to psychrometers, the
HMM100 is practically maintenance-
free. There is no wick that needs
changing and there is no need for
a water tank or water pump. Thus,
environmental stress screening can
be done reliably.
Accessories
The accessories available are a
component board mounting bracket
with a lid, probe clamp, USB-cable for
service use, a module housing and a
probe mounting flange.
Features/Benefits
▪
Full temperature compensation
over the operating temperature
range of -70 °C ... +180 °C
▪
High temperature tolerance,
also suitable for heat-
sterilization
▪
Excellent measurement
accuracy with Vaisala
HUMICAP® 180R sensor
▪
Durable
▪
Easy field calibration by
trimmers
▪
Maintenance-free
▪
Easy to install
▪
Applications: test chambers,
incubators
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