Azbil MVF Series, User Manual

Page: 26 / 44

Chapter 5. SPECIFICATIONS
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Specifications
Item Specifications
MVF050 MVF080 MVF100 MVF150
Pipe size 50A (2B) 80A (3B) 100A (4B) 150A (6B)
Flowrate mea-
surement range
(for air)*
2
[ m
3
/h (normal)]*
3
at a pressure of 0.05 MPa 7.4 to 322 11.0 to 711 13.7 to 1095 23.6 to 2356
at a pressure of 0.15 MPa 7.4 to 535 11.8 to 1181 18.2 to 1819 39.1 to 3913
at a pressure of 0.5 MPa 12.8 to 1280 28.3 to 2825 43.5 to 4351 93.6 to 9364
Applicable gas Air, Nitrogen, Argon, Oxygen*
1
, Carbon dioxide, natural gas (LNG base), Methane, Propane,
Butane, and other inert gases and mixed gases outside the explosion limit range.
Volumetric flowrate accuracy (for air)*
4
*
5
±2 %RD at 73 m
3
/h
(actual) or more
±2 %RD at 109 m
3
/h
(actual) or more
±2 %RD at 154 m
3
/h
(actual) or more
±2 %RD at 282 m
3
/h
(actual) or more
Accuracy after temperature and pressure cor-
rection (at a pressure of 0.5 MPa)*
6
±3.3 %RD at 74 m
3
/h
(normal) or more
±3.3 %RD at 110 m
3
/h
(normal) or more
±3.3 %RD at 156 m
3
/h
(normal) or more
±3.5 %RD at 286 m
3
/h
(normal) or more
Operating pressure range
(Accuracy of pressure sensor)
0.0 to 0.1 MPa (±2 %FS at 23 °C) for MVF_ _ _1
0.0 to 0.3 MPa (±2 %FS at 23 °C) for MVF_ _ _3
0.0 to 1.0 MPa (±1 %FS at 23 °C) for MVF_ _ _0
Pressure resistance 0.15 MPa for MVF_ _ _1
0.45 MPa for MVF_ _ _3
1.5 MPa for MVF_ _ _0
Operating temperature range
(Accuracy of temperature sensor)
−15 to +60 °C (±2 %RD (absolute temperature base))
Operating humidity range 10 to 90 %RH (No condensation allowed)
Flow rate calculation/output updating cycle 100 ms
Rated power supply 24 Vdc
Current consumption 100 mA max.
Output signal (1 point) Instantaneous flowrate output: 4 to 20 mAdc (Allowable load resistance 600 Ω max.)
Maximum Current value: 23.2 mA
Integrated pulse output (1 point) Open collector output Absolute maximum rating: 30 Vdc, 20 mA max.
Pulse weight MVF050: 0.01, 0.1, 1, 10
(The unit depends on the instantaneous flow rate display unit.)
MVF080/100/150: 0.1, 1, 10, 100
(The unit depends on the instantaneous flow rate display unit.)
Pulse width Output intervals of 1s or more: 0.5 s
Output intervals of less than 1s: duty ratio 50 %
Communication function 1 RS-485 interface, Transmission line: 3-wire system
Communication distance: 300 m max. Compatible with Azbil Corporation's products
(CMC15G, etc.)
Transmission speed: 2400, 4800, 9600, 19200 bps
Integrated value, instantaneous, value/warning, and settings can be recorded.
Communication function 2 Mini-plug jack for PC Smart Loader connection, used in servicing by the manufacturer.
Display Flowrate display 6-digit LCD for instantaneous flow rate, 8-digit LCD for totalized flow rate
Instantaneous flow rate
_ _ _ _ _._ m
3
/h
(“1” is the max. value for the first digit)
_ _ _ _ _ m
3
/h
(no decimal point)
(“1” is the max. value
for the first digit)
Totalized flow rate*
7
_ _ _ _ _ _ _._ m
3
(up to 1 digit after
the decimal point)
_ _ _ _ _ _ _ _ m
3
(no decimal point)
Status display OVER: Flowrate range over, setting: For maintenance
Gas contacting parts material Flow passage: SUS304 (SCS13A) μF sensor: Silicon, Gold etc., O-ring: Type 4D (Viton)
Convertor material Aluminum alloy (ADC12)
Convertor coating Acrylic resin corrosion resistant coating Coating color: Light beige
Display glass parts material Tempered glass: Thickness 10 mm
Mounting direction (flow direction) Horizontal/Vertical mounting
Connection type MVF_ _ _ _ _U: JIS 10K wafer connection
MVF_ _ _ _CD: DIN PN10 wafer connection
MVF_ _ _ _CA: ANSI 150 wafer connection
18