
79
Technical Data
91.5 (3.6)
165.3 (6.51)
354.9 (13.97)
488 (19.21)
193 (7.6)
254 (10)
203 (8)
441.5 (17.38)
144.5 (5.69)
101.6 (4)
100 (3.94)
100 (3.94)
Ø
13 (0.51)
91.5 (3.6)
165.3 (6.51)
354.9 (13.97)
488 (19.21)
193 (7.6)
254 (10)
203 (8)
441.5 (17.38)
144.5 (5.69)
101.6 (4)
100 (3.94)
100 (3.94)
Ø
13 (0.51)
Dewpoint Temperature
Measurement range -40 ... +100 °C (-40 … +212 °F)
Accuracy: find the intersection of the dewpoint temperature
curve and the dewpoint difference reading (process temperature
- dewpoint temperature) on the x-axis and read the accuracy in
dewpoint measurement at the y-axis
Outputs
Two standard outputs, third optional 0...20 mA, 4...20 mA,
0 ... 1 V, 0...5 V, 0 ... 10 V
Typical accuracy of analog output
at +20 °C (+68 °F) ±0.05 % full scale
Typical temperature dependence
of analog output ±0.005 %/°C full scale
Serial output available RS232C (optional RS485)
General
Connections screw terminals for 0.5 mm
2
wires (AWG 20),
stranded wires recommended
Operating voltage 24 VDC/VAC (20...28 V) or 115/230 VAC
(Must be specified at time of order)
Recommended external load for current outputs < 500 ohm
0...1 V output > 2 kohm (to ground)
0...5 & 0...10 V outputs > 10 kohm (to ground)
Operating temperature range for
electronics -40...+60 °C (-40 ... +140 °F)
Storage temperature -55...+80 °C (-67 ... +176 °F)
Housing material G-AlSi10 (DIN 1725)
Housing classification IP65 (NEMA 4)
Bushing 8...11 mm diameter cables (0.31 ... 0.43 inch)
Humidity sensor protection (Ø 12 mm) PPS grid with steel netting
Weight:
HMT300TMK with HMT337 8,7 kg
HMT300TMK with HMT337,
packed in a wooden shipping box 13,3 kg
Electromagnetic compatibility Complies with EMC standard
EN61326-1, Industrial Environment
Dimensions
Dimensions in mm (inches)
HUMICAP
®
is a registered trademark of Vaisala.
Response time (90 %) at +20 °C (68 °F)
in still air (PPS grid with steel netting) 20 s
Sensor HUMICAP
®
180C
Ref. B210680EN-C ©Vaisala 2011
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.
Please contact us at
www.vaisala.com/requestinfo
www.vaisala.com
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Humidity
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