Vaisala HUMICAP MMT310 Manual de servicio Pagina 31

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Technical data
Performance
RELATIVE HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy against factory standards including non-linearity,
hysteresis, and repeatability
at +15 ... +25 °C (+59 ... +77 °F) ±1.7 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)
at ±0 °C ... +40 °C (+32 ... +104 °F) ±(1.7 +0.015 x reading) %RH
at -40 ... ±0 °C, +40 ... +80 °C ±(2.0+0.025 x reading) %RH
(-40 ... +32 °F, +104 ... +176 °F)
Factory calibration uncertainty
at +20 °C (+68 °F)
±1.0 %RH (0 ... 15 %RH)
±1.5 %RH (>15 ... 78 %RH)
Response time (90 %) at 20 °C in
still air
8 s with plastic grid
20 s with membrane fi lter
40 s with sintered fi lter
Humidity sensor Vaisala HUMICAP
®
180
TEMPERATURE
Measurement range -40 ... +80 °C (-40 ... 176 °F)
Accuracy at +20 °C (+68 °F) ±0.2 °C (±0.36 °F)
Inputs and outputs
Two-wire output signal 4 ... 20 mA
External loop load 10 ... 35 VDC (R
L
= 0 ohms)
20 ... 35 VDC (R
L
= 500 ohms)
Voltage output signals 0 ... 1 V, 0 ... 5 V, 0 ... 10 V
(0 ... X V see order form)
Supply voltage 10 ... 35 VDC/24 VAC
Current consumption, 35 VDC/24 VAC max. 12 mA
External load R
L
min. 10 k
Mechanics
Material
Housing ABS/PC plastic
Probe chrome coated aluminum
Mounting plate GM45160 ABS plastic
Housing classifi cation IP65 (NEMA 4)
Sensor protection
Plastic grid DRW010522
Plastic grid with membrane fi lter DRW010525
Sintered stainless steel fi lter HM46670SP
Connections screw terminals 0.5 ... 1.5 mm
2
Probe cable lengths 3 m, 5 m, 10 m
Calibration with HM70, HMI41,
or with internal 11 %RH & 75 %RH buttons
Display option
One line fi xed variable or changing variables when two variables
are ordered
Options and accessories
Spare probe HMP100
Spare extension cable (10 m) DRW220095
Radiation shield DTR502B
Rain shield with installation kit 215109
Installation plate DRW010699
Duct installation kit 215619
Connection cable for HMI41 2591722
Connection cable for HM70 211339
Operating Environment
Operating temperature range
transmitter body, no display -40 ... +60 °C (-40 ... +140 °F)
transmitter body, with display -30 ... +60 °C (-22 ... +140 °F)
probe (remote probe only) -40 ... +80 °C (-40 ... +176 °F)
Storage temperature range -40 ... +60 °C (-40 ... +140 °F)
Electromagnetic
compatibility
EN61326-1,
Industrial Environment
Ref. B210472EN-B ©Vaisala 2009
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
ACCURACY OVER TEMPERATURE RANGE
Temperature sensor Pt1000 IEC 751 1/3 class B
DEWPOINT TEMPERATURE (CALCULATED)
Measuring range -20 ... +80 °C (-4 ... +176 °F)
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