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HMM100 Humidity Module for Environmental
Chambers
The HMM100
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 dewpoint (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
The Vaisala HUMICAP
®
Humidity Module HMM100.
HMM100 is easy to install and the
probe can be freely placed in a test
chamber as the speed of airow 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 ange.
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
Technical data
Ref. B210813EN-A ©Vaisala 2010
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifications — technical included — are subject
to change without notice.
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
Mechanics
Service cable connector M8 series 4-pin (male)
Probe diameter 12 mm
Probe cable lengths 0.6/1.55/2.9 m
Probe material
plastics PPS
stainless steel AISI316/PPS
Probe mounting clamp AISI316
Mounting bracket material
lid ABS/PC
bottom plate Al
Module housing material ABS/PC (cover)
Performance
RELATIVE HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis
and repeatability)
temperature range -20 ... +40 °C
0 ... 90 %RH ±2 %RH
90 ... 100 %RH ±3 %RH
temperature range -40 ... -20 °C, +40 ... +180 °C
0 ... 90 %RH ±2.5 %RH
90 ... 100 %RH ±3.5 %RH
Factory calibration uncertainty (+20 °C) ±1.5 %RH
Humidity sensor Vaisala HUMICAP
®
180R
DEW POINT TEMPERATURE
Measurement range -20 ... +100 °C (-4 ... +212 °F)T
d
Accuracy (incl. non-linearity, hysteresis and repeatability
when dew point depression <20 °C ±2 °C T
d
(Ambient temperature - dew point)
Operating environment
Operating temperature range
component board -5 ... +55 °C (+23 ... +131 °F)
stainless steel and plastic
probe -70 ... +180 °C (-94 ... +356 °F)
porous PTFE filter stainless
steel, sintered filter -70 ... +180 °C (-94 ... +356 °F)
plastic grid, membrane filter -20 ... +80 °C (-4 ... +176 °F)
Electromagnetic compatibility Complies with EMC standard
EN61326-1, for use in light industrial environments
Input and outputs
Operating voltage
2-wire model 24 VDC
3-wire model 10 ... 35 VDC or 24 VAC
15 ... 35 VDC or 24 VAC when 0 ... 10 V
output is used
Power consumption 6 mA
Analog output types (1 output selectable)
2-wire model 4 ... 20 mA (loop-powered)
3-wire model 0 ... 20 mA, 0 ... 1 V/5 V/10 V
Max. wire size 0.5 ... 1. 5 mm
2
(AWG)
Service port M8 connector for USB cable
Dimensions
Options and accessories
Humidity sensor HUMICAP180R
Membrane filter 10159HM
Plastic grid filter 6221
Porous PTFE filter 219452SP
Stainless steel sintered filter HM47280SP
Mounting bracket with lid 225979
Module housing (IP65) 226060
Probe mounting flange 226061
Probe mounting clamp set (10 pcs) 226067
USB cable 226068
54
2.12
30.7
1.21
12
0.47
See Table
46.5
1.83
36.5
1.44
55
2.17
49
1.93
3.5
0.14
AW 7 [0.28]
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