Vaisala HUMICAP MMT310 Manual de servicio Pagina 25

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Technical data
Performance
RELATIVE HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy (including non-linearity, hysteresis, and repeatability)
with Vaisala HUMICAP
®
180 or 180R for typical applications
at +15 ... +25 °C (59 ... +77 °F) ± 1.0 %RH (0 ... 90 %RH)
±1.7 %RH (90 ... 100 %RH)
at -20 ... +40 °C (-4 ... +104 °F)
±(1.0 + 0.008 x reading)
%RH
at -40 ... +180 °C (-40 ... +356 °F)
± (1.5 +0.015 x reading)
%RH
with Vaisala HUMICAP
®
180
L
2 for application with demanding
chemical environment
at -10... +40 °C (14 ... +104 °F) ± (1.0 + 0.01 x reading) %RH
at -40 ... +180 °C (-40 ... +356 °F) ± (1.5 + 0.02 x reading) %RH
Factory calibration uncertainty (+20 °C) ± 0.6 %RH (0 ... 40 %RH)
± 1.0 %RH (40 ... 97 %RH)
(Defi ned as ±2 standard deviation limits. Small variations
possible, see also calibration certifi cate.)
Response time (90 %) at +20 °C (+68 °F) in still air
with grid fi lter 8 s / 17 s*
with grid + steel netting fi lter 20 s / 50 s*
with sintered fi lter 40 s / 60 s*
* with HUMICAP
®
180R sensor
TEMPERATURE
Measurement range -40 ... +180 °C (-40 ... +356 °F)
(depends on selected probe)
Typical accuracy of electronics at +20 °C (+68 °F) ±0.2 °C (0.36 °F)
Typical temparature dependence
of electronics 0.005 °C/°C (0.005 °F/°F)
Sensor Pt 1000 RTD 1/3 Class B IEC 751
Accuracy over temperature range
OTHER VARIABLES
Optionally available dewpoint temperature, mixing ratio,
absolute humidity, wet bulb temperature.
Operating environment
Temperature range
operating temp. range for
electronics
-40 ... +60 °C (-40 ... +140 °F)
with display -20 ... +60 °C (-4 ... +140 °F)
storage -40 ... +70 °C (-40 ... +158 °F)
Pressure range see probe specifi cations
Complies with EMC standard EN61326-1, Electrical equipment for
measurement, control and laboratory use - EMC requirements;
Industrial Environment.
NOTE! IEC 1000-4-5 complies only when using external EXi
approved surge arrester in the safe area.
°C
°C
0
0-80 -60 -40 -20 20 40 60 80 100 120 140 160
180
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Inputs and outputs
Operating voltage 12 ... 28 V
with serial port (service mode) 15 ... 28 V
Analog outputs two-wire 4 ... 20 mA, one standard, one optional
Typical accuracy of analog outputs at +20 °C ±0.05% full scale
Typical temperature dependence
of analog outputs 0.005% / °C (0.005% / °F) full scale
Analog outputs connection via safety barriers
RS232C serial output for service use connector type RJ45
Display two-line LCD
Mechanics
Connections screw terminals, 0.33...2.0 mm
2 wires (AWG 14-22)
Cable bushings For 7.5...12mm or 10...15mm cable
diameters (M20)
Conduit fi tting NPT 1/2" (M20)
Housing material G-AlS
i
10Mg (DIN 1725)
Housing classifi cation IP66 (NEMA 4X)
Housing weight 950 g
Options and accessories
Duct installation kit (for HMP363/367) 210697
Mounting fl ange (for HMP365) 210696
Ball valve ISO 1/2 with welding joint
(for HMP368)
BALLVALVE-1
pressure range at +20 °C (+68 °F): 0 ... 20 bar (0 ... 290 psia)
(during installation max. 10 bar (145 psia)
Calibration adapter for HMK15 211302
Serial interface cable for PC
connectors RJ45 - D9 female 25905ZZ
Galvanic isolator 212483
Zener barrier (USA & Canada) 210664
Protection cover (for use in the
presence of combustible dust, ATEX)
214101
II 1 D IP65 T = 70 °C
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