Vaisala HUMICAP MMT310 Manual de servicio Pagina 47

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Performance
RELATIVE HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis and repeatability)
temperature range 0 ... +40 °C
0 ... 90 %RH ±1.7 %RH
90 ... 100 %RH ±2.5 %RH
temperature range -40 ... 0 °C, +40 ... +80 °C
0 ... 90 %RH ±3.0%RH
90 ... 100 %RH ±4.0%RH
Factory calibration uncertainty (+20 °C) ± 1.5%RH
Humidity sensor Vaisala HUMICAP
®
180R
Stability ±2 %RH over 2 years
TEMPERATURE
Measurement range -40 ... +80 °C
Accuracy over temperature range
0 ... +40 °C, ±0.2 °C
-40 ... 0 °C, +40 ... +80 °C ±0.4 °C
Temperature sensor Pt1000 RTD 1/3, Class B IEC 751
DEW POINT
Measurement range -40 ... +80 °C
Accuracy (incl. non-linearity, hysteresis and repeatability)
temperature range 0 ... +40 °C
when dew point depression < 15 °C ±1 °C
when dew point depression 15 ... 25°C ±2 °C
temperature range -40 ... 0 °C, +40 ... +80 °C
when dew point depression < 15 °C - dew point ±2 °C
depression = ambient temperature - dew point
Mechanics
Materials
body chrome coated aluminum
grid fi lter chrome coated ABS plastic
cable polyurethane or FEP
Housing classifi cation IP65
Body thread MI2x1 / 10 mm
Cable connector 4-pin M8 (IEC 60947-5-2)
Weight with 0.3 m cable 23 g
Operating environment
Measurement range -40 ... +80 °C
Electromagnetic compatibility Complies with EMC standard
EN61326-1, Basic immunity test
requirements
Options and accessories
Sensor protection
plastic grid DRW010522
membrane fi lter DRW010525
stainless steel sintered fi lter HM46670SP
4 ... 20mA loop power converter UI-CONVERTER-1
Mounting bracket with lid 225979
Plastic M12 installation nuts, pair 18350SP
USB cable for PC connection 219690
Probe mounting clamp set, 10 pcs 226067
Probe mounting fl ange 226061
Connection cables
standard 0.3 m HMP50Z032
standard 3 m HMP50Z30A
80 °C 1.5 m 225777SP
80 °C 3 m 225229SP
180 °C 3 m FEP 226902
Inputs and outputs
Operating voltage
(Use lowest available operating
voltage to minimize heating)
5 ... 28 VDC / 8 ... 28 VDC with
5 V output
8 ... 28VDC with loop power
converter
Current consumption 1 mA average, max. peak 5 mA
Start-up time at operating voltage <14 V: 1 s
>14 V: 4 s
Outputs
2 channels 0 ... 1 VDC/0 ... 2.5 VDC /
0 ... 5 VDC/1 ... 5 VDC
1-channel loop-power converter
(separate module, compatible
with humidity accuracy only) 4 ... 20 mA
digital output (optional) RS485 2-wire half duplex
External loads
0 ... 1 V R
L
min 10 k
0 ... 2.5 V /0 ... 5 V R
L
min 50 k
Technical data
Ref. B210852EN-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
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