Vaisala HUMICAP MMT310 Wartungshandbuch Seite 53

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Technical data
HMP41, HMP42, and HMP45 probes
HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy at +20 °C (+68 °F)
when calibrated against salt
solutions (ASTM E014-85)
±2 %RH (0 ... 90 %RH)
±3 %RH (90 ... 100 %RH)
Temperature dependence of electronics ±0.05 %RH/°C
Typical long-term stability better than 1 %RH per year
Response time (90%) at +20 °C in still air (HMP41, HMP45) 15 s
(HMP42) 30 s
Sensor HMP41 & 45 HUMICAP
®
180
Sensor HMP42 HUMICAP
®
MINI
TEMPERATURE
Measurement range probe
HMP41, HMP45 -20 ... +60 °C (-4 ... +140 °F)
HMP42 -40 ... +100 °C (-40 ... +212 °F)
Temperature accuracy over measurement range
Sensor (HMP41 & 45) PT 1000 IEC 751 1/3 class B
(HMP 42) PT 100 IEC 751 class B
General
Typical ranges of calculated variables
dewpoint temperature -20 ... +60 °C (-4 ... +140 °F)
absolute humidity 0 ... 160 g/m
3
wet bulb temperature 0 ... +60 °C (32 ... +140 °F)
mixing ratio 0 ... 160 g/Kg d.a.
The accuracies of these calculated variables are limited by the
accuracies of the measured variables on which they are based,
namely RH and T. The RH and T accuracies are stated above in the
probe section.
Cable length (HMP42 & 45) 1500 mm; extended spiral cable
Operating temperature range
HMP41 -20 ... +60 °C (-4 ... +140°F)
HMP42 -40 ... +100 °C (-40 ... +212 °F)
HMP45 -40 ... +60 °C (-40 ... +140 °F)
Dimensions
Dimensions in mm.
Accessories
Serial interface cable 19446ZZ
Carrying case for HMI41 and HMP41/45 HM36736
Aluminum case for HMP41/42/45/46 MI70CASE2
Rigid plastic case for HMP41/42/45/46 210614
HMP42
Calibration adapter HM37067
Rubber sleeve set 19809HM
HUMICAP
®
is a registered trademark of Vaisala.
HMI41 HMP41 HMP42 HMP45
Ref. B210941EN-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 specifi cations — technical included — are subject
to change without notice.
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
Battery operation time (alkaline batteries) 72 h continuous use
Housing material ABS plastic
Housing classifi cation, electronics IP65 (NEMA 4)
Sensor protection
HMP41 & 45 plastic grid HM46717
option membrane fi lter 2787HM
HMP42 steel grid 19867HM
membrane tube set (5pcs) 19858HM
Weight
HMP41 30 g
HMP42 200 g
HMP45 160 g
Electromagnetic compatibility Complies with EMC standard
EN61326-1, Portable Equipment.
Ø 18.5
Ø 21
237
118
13
106
30
38
Ø 18.5
80
37
318
30
88
200
75
125
ENTERMODE
MIN/MAX
HOLD ON/OFF
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