AVF250 Series

Products // Variable Area Flowmeter

AVF250 Series 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. 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  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 mm Mechanical Indicator (Standard) Measuring Range: Digit Display Liquid -  1 ~  200000 Liter/Hr 4 Digit Flowrate Gas   -   0.03 ~ 4000 M3/Hr 8 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 reading Rating Material: 3 to 30Vdc, 100 mA Max.  Tube & Float Data Storage: Stainless Steel 304 Operation parameters and totalizer Stainless Steel 316 figures are stored by EEPROM for more Stainless Steel 316L than 10 years Stainless Steel + PTFE Liner Alarm 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 ~ +200 oC (Standard) 3 internal keys for programming -25 ~ +100 oC (LCD Display) and display control 0 ~ +85 oC (PTFE Liner) Ambient Temperature: -80 ~ +400 oC (Optional) -25 to +60 oC Flange Type: Protection Class: JIS 10K / JIS 20K / JIS 40K IP 65 ANSI 150# / ANSI 300# / ANSI 600# Intrinsically Safe, Eex ia IIC T5 DIN PN 10 / PN 16 / PN25 / PN 40 Explosion Proof, Ex d IIB T6 Fluid Viscosity: Housing Material: 300 CP Max. Aluminum Alloy Communication: Cable Entry: RS485 (MODBUS Protocol) Standard :M20  Option:1/2"NPTF HART signal Pressure Loss: 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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