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AVF250 Series0 pages
ALIAVA
®
Metal Tube Variable Area Flowmeter
Model AVF250 Series
GENERAL
ALIAVA
The Alia AVF250 flowmeter is commonly used in
location that required on-site analog flow indication.
The meter accurately measures small volumes / wide ranges of
liquids, gases and steam.
Local Indication
FEATURES
4 digit flowrate & 8 digit totalizer
Local indication without auxiliary power
4-20 mA & scale pulse output
Low pressure loss in gas and steam application
Damper for Gas / Steam application
Consistent overall length
With LCD Display
Heating jacket design
Intrinsically safe & explosion proof for hazardous area
Explosion Proof
STANDARD SPECIFICATION
Size
: 15,20,25,40,50,65,80,100,125,150,200 mm
Measuring Range
: Liquid - 1 ~ 200000 Liter/Hr
Local Display
: Mechanical Indicator (Standard)
Digit Display : 4 Digit Flowrate
: Gas - 0.03 ~ 4000 M3/Hr
Turndown Ratio
: 10:1 (20:1 Optional)
Accuracy
: 8 Digit Totalizer
: +/-1.6% (Standard)
: +/-1.0% (Optional)
Repeatability
Current Output
Load : Max. 600 Ω
Pulse Output
: +/-0.5% value of reading
Material
: 4-20 mA (2 Wire)
: Open collector (Scale pulse)
Rating : 3 to 30Vdc, 100 mA Max.
Data Storage
: Operation parameters and totalizer
Tube & Float : Stainless Steel 304
figures are stored by EEPROM for more
: Stainless Steel 316
: Stainless Steel 316L
than 10 years
Alarm Output
: Stainless Steel + PTFE Liner
Standard Pressure
: 40 Kg/cm2 (15mm ~ 50mm)
: 2 point (Open collector)
Rating : 3 to 30Vdc, 100 mA Max.
Keypad
: 16 Kg/cm2 (65mm ~ 200mm)
Temperature
: 3 internal keys for programming
and display control
: -80 ~ +200 °C (Standard)
Ambient Temperature : -25 to +60 °C
: -25 ~ +100 °C (LCD Display)
Protection Class
: IP 65
: 0 ~ +85 °C (PTFE Liner)
Flange Type
: Intrinsically Safe, Eex ia IIC T5
: -80 ~ +400 °C (Optional)
: Explosion Proof, Ex d IIB T6
: JIS 10K / JIS 20K / JIS 40K
Housing Material
: Aluminum Alloy
ANSI 150# / ANSI 300# / ANSI 600#
Cable Entry
: Standard :M20 Option:1/2"NPTF
DIN PN 10 / PN 16 / PN25 / PN 40
Pressure Loss
: 0.07 ~ 0.7 Kg/cm2
Fluid Viscosity
: 300 CP Max.
Communication
: RS485 (MODBUS Protocol)
Power Supply
: 11 ~ 36VDC (2 wire 4-20 mA)
: Ni-MH Battery (3 years working hours)
HART signal (Compatible)
ALIA GROUP INC.
113 Barksdale Professional Center, Newark, DE 19711, USA
TEL : + 1 - 302 - 213 - 0106
FAX : + 1 - 302 - 213 - 0107
URL : www.alia-inc.com
E-mail :alia@alia-inc.com
AVF250V1.1.9.A4.en
