Vaisala HUMICAP MMT310 Manual de servicio Pagina 83

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Ref. B010162EN-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.
Technical data
Accessories
Connection cables for fi xed Vaisala dew point transmitters
for DMT242 transmitter 27160ZZ
for DMT340 series 211339
for DMT152 transmitter 219980
for DMT142 transmitter 211917ZZ
MI70 Link software with USB cable 219687
MI70 Link software with serial port cable MI70LINK
Analog output cable 27168ZZ
10 m (32.81 ft) extension cable for probe 213107SP
MI70 indicator, general
Menu languages English, Chinese, Spanish, Russian, French,
Japanese, German, Swedish, Finnish,
Display LCD with backlight
Graphic trend display of any parameter
Character height up to 16 mm
Max. no of probes 2
Power supply Rechargeable NiMH battery pack with AC-adapter
or 4xAA size alkalines, type IEC LR6
Analog output 0...1 VDC
Output resolution 0.6 mV
PC interface MI70 Link software with USB or serial port cable
Datalogging capacity 2700 points
Alarm Audible alarm function
Operating temperature range -10...+40 °C (+14…+104 °F)
Storage temperature range -40 ... +70 °C (-40 ... +158 °F)
Operating humidity range 0 ... 100 % RH, non-condensing
Housing classifi cation IP54
Housing materials ABS/PC blend
Weight 400 g
Battery operation time with DMP74 probe
continuous use 48 h typical at +20 °C (+68 °F)
data logging use up to a month, depending on logging interval
Electromagnetic compatibility EN 61326-1, Generic Environment
Measured variables, DMP74B and DMP74C
(for SF6 gas) probes
DEW POINT
Measurement range (typical) -70 ... +30 °C (-94 ... +86 °F)
Accuracy (B and C probe) -60...+20 °C ±2 °C (±3.6 °F)
(see graph)
TEMPERATURE
Measurement range -10 ... +60 °C (+14 ... +140 °F)
Accuracy at +20 °C (+68 °F) ±0.2 °C (±0.36 °F)
Typical temperature dependence
of electronics ±0.005 °C/°C (±0.005 °F/°F)
Temperature sensor Pt100 IEC751 1/3 class B
OTHER VARIABLES AVAILABLE
Dew point converted to atmospheric pressure, ppm volume and
ppm weight concentration, absolute humidity, mixing ratio, relative
humidity
Dotted line:
For DMP74C the ±2 °C accuracy range is limited to -50 °C T
d
when
used in SF6 gas.
Response time
ow rate 0.2 m/s, 1 bar pressure, +20 °C (+68 °F) 63% [90%]
0 -> -60 °C Td (32 -> -76 °F Td) 50 s [340 s]
-60 -> 0 °C Td (-76 -> 32 °F Td) 10 s [20 s]
Dew point sensor Vaisala DRYCAP
®
180M
TEMPERATURE
Measurement range -10 ... +60 °C (+14 ... +140 °F)
Accuracy at +20 °C (+68 °F) ±0.2 °C (±0.36 °F)
Typical temperature dependence
of electronics ±0.005 °C/°C (±0.005 °F/°F)
Temperature sensor Pt100 IEC751 1/3 class B
OTHER VARIABLES AVAILABLE
Dew point converted to atmospheric pressure, ppm volume and
ppm weight concentration
All probe models
Operating temperature -10 ... +60 °C (+14 ... +140 °F)
Operating pressure
DMP74A, DMP74B 0 ... 20 bara (0 ... 290 psia)
DMP74C 0 ... 10 bara (0 ... 150 psia)
Sample fl ow rate no effect for measurement accuracy
Measured gases non-corrosive gases
Probe material (wetted parts) Stainless steel (AISI 316L)
Sensor protection Sintered fi lter (AISI 316L)
partno: HM47280
Mechanical connection G1/2” ISO228-1 thread
with bonded seal ring (U-seal)
Housing classifi cation IP65 (NEMA 4)
Weight 350 g
Dew point accuracy
vs. measurement
conditions
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