Alia Variable Area Flowmeters

AVF250 Series

ALIAVA AVF250 Series is a flowmetercommonly used in Auto-industry process control. It’s with small volume, wide range and easily operation. It could also measure liquid, gas and steam flowrate, especially fit for small flowrate application.

FEATURES

4 digit flowrate & 8 digit totalizer Local indication without auxiliary power 4-20 mA & Scale pulse output Low pressure lost on gas and steam application Damper for Gas/Steam application Consistent overall length Heating jacket design Intrinsically safe & explosion proof for hazardous area

SPECIFICATION

Size:Local Display:

15,20,25,40,50,65,80,100,125,150,200 mmMechanical Indicator (standard)

Measuring Range:Digit Display

Liquid – 1 ~ 200000 Liter/Hr4 Digit Flowrate

Gas – 0.03 ~ 4000 M3/Hr8 Digit Totalizer

Turndown Ratio:Current output:

10:1 (20:1 Optional)4-20 mA(2 Wire)

Accuracy:Load

+/-1.6%(Standard)Max. 600

+/-1.0%(Optional)Pulse output:

Repeatability:Open collector (Scale pulse)

+/-0.5% value of readingRating

Material:3 to 30Vdc, 100 mA Max.

Tube & FloatData Storage:

Stainless Steel 304Operation parameters and totalization

Stainless Steel 316figures are stored by EEPROM for more

Stainless Steel 316Lthan 10 years

Stainless Steel + PTFE LinerAlarm output:

Standard Pressure:2 point (open collector)

40 Kg/cm2 (15mm ~ 50mm)Rating

16 Kg/cm2 (65mm ~ 200mm)3 to 30Vdc, 100 mA Max.

Temperature:Keyboard:

-80 ~ +200oC (Standard)

3 keys from internal for programming

-25 ~ +100oC (LCD Display)

and display control.

0 ~ +85 oC (PTFE Liner)

Ambient temperature:

-80 ~ +400oC (Optional)

-25 to +60oC

Flange Type:Protection class:

JIS 10K / JIS 20K / JIS 40KIP 65

ANSI 150# / ANSI 300# / ANSI 600#Intrinsically Safe, Eex ia IIC T5

DIN PN 10 / PN 16 / PN25 / PN 40Explosion Proof, Ex d IIB T6

Fluid Viscosity:Housing Material:

300 CP Max.Aluminum Alloy

Communication:Cable entry:

RS485(MODBUS Protocol)M20 * 1.5

HART SignalPressure Drop:

0.07 ~ 0.7 Kg/cm2

Power supply:

11 ~ 36VDC( 2 wire 4-20 mA)

Ni-MH Battery(3 years working hours)

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