Vaisala HUMICAP MMT310 Manual de servicio Pagina 99

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Ref. B210688EN-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.
Operating Environment
Temperature
operating -40 ... +60 °C (-40 ... +140 °F)
storage -40 ... +70 °C (-40 ... 158 °F)
Humidity see graph ‘GMP343 Operating Conditions’
Pressure
compensated range 700 ... 1300 hPa
operating <5 bar
Gas fl ow for fl ow-through model 0 ... 10 liters/min
Electromagnetic compatibility EN61326, Generic
Environment
Warm-up time
full accuracy ±0.5 % 10 min
full accuracy 30 min
Technical data
Inputs and outputs
Operating voltage 11 ... 36 VDC
Power consumption
without optics heating <1 W
with optics heating <3.5 W
ANALOG OUTPUTS
Current output
range 4 ... 20 mA
resolution 14 bits
max. load 800 Ohm @ 24 VDC, 150 Ohm @ 10 VDC
Voltage output
range 0 ... 2.5 V, 0 ... 5 V
resolution 14 bits (13 bits with 0 ... 2.5 V)
min. load 5 kOhm
DIGITAL OUTPUTS
RS485, RS232
Materials
Housing anodized aluminium
Filter cover PC
IP classifi cation <1 W
Housing (cable attached) IP67
Diffusion fi lter (weather protection) IP65
Diffusion fi lter (sintered PTFE) IP66
Cable connector type 8-pin M12
Weight (probe only) 360 g
Options and accessories
Wall mount bracket GMP343BRACKET
Mounting fl ange GMP343FLANGE
Standard diffusion fi lter (weather
protection, IP65) +fi lter cover GMP343FILTER
Diffusion fi lter (sintered PTFE
lter, IP66) + fi lter cover 215521
Calibration adapter (for the diffusion model) GMP343ADAPTER
Junction box JUNCTIONBOX-8
Probe cables
2m GMP343Z200SP
6m GMP343Z600SP
10m GMP343Z1000SP
PC connection cable, 2m 213379
MI70 connection cable, 2m DRW216050SP
USB adapter (USB-D9 Serial connection cable) 219686
Soil adapter kit for horizontal positioning 215519
Soil adapter kit for vertical positioning 215520
PRESSURE
Effect on accuracy with pressure compensation:
CO
2
range options 0 ... 1000 ppm 0 ... 2000 - 2 %
Pressure (hPa) Accuracy (% of reading)
900 ... 1050 ±0.5 ±1
700 ... 1300 ±1 ±2
Integrated pressure sensor is not included in GMP343
Long term stability see graph below
easy <±2 % of reading / year
moderate <±2 % of reading / 6 months
harsh <±2 % of reading / 3 months
GMP343 OPERATING CONDITIONS
Response time (90 %)
DIFFUSION MODEL
Filter attached Averaging (s) Response (s)
Yes 0 7 5
Ye s 30 82
No 0 <2
No 30 30
FLOW-THROUGH MODEL
Gas ow (l/min) Averaging (s) Response (s)
0.3 0 26
0.3 30 44
1.2 0 8
1.2 30 23
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
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