AVF250H Series

AVF250H Series The AVF250H Series is a horizontally mounted metal tube variable area flowmeter. With its unique design,it can provide a mechanical pointer display without power supply, as well as intrinsically safe and explosion-proof to suit various operating conditions. FEATURES  Spring type horizontal mounted metal tube flowmeter    5 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    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 L/hr 5 Digit Flowrate Gas -0.03~3000 m3/hr 8 Digit Totalizer Turndown Ratio: Current Output: 10:1 (20:1 Optional) 4-20 mA (2 Wire) Accuracy: Load +/-2.5% (Standard) Max. 600  +/-1.5% (Optional) Pulse Output: Repeatability: Open collector (Scale pulse) +/-0.8% FS Rating Material: 3-30 VDC, 100 mA Max.  Tube & Float Alarm Output: Stainless Steel 304 2 point (Open collector) Stainless Steel 316 Rating Standard Pressure: 3-30 VDC, 100 mA Max. 40 kgf/cm2 (15-50 mm) Keypad: 16 kgf/cm2 (65-200 mm) 3 internal keys for programming Temperature: and display control 0-100 oC (Standard) Ambient Temperature: Flange Type: 0-60 oC JIS 10K / JIS 20K / JIS 40K Protection Class: ANSI 150# / ANSI 300# / ANSI 600# IP65 DIN PN10 / PN16 / PN25 / PN40 Intrinsically Safe, Eex ia IIC T5 Fluid Viscosity: Explosion Proof, Ex d IIB T6 300 CP Max. Housing Material: Communication: Aluminum Alloy RS485 (MODBUS Protocol) Cable Entry: HART signal (Compatible) Standard:M20  Option:1/2"NPTF Data Storage: Pressure Loss: Operation parameters and totalizer 0.07-0.7 kgf/cm2 figures are stored by EEPROM for more Power Supply: than 10 years 12-36 VDC (2 wire 4-20 mA) Ni-MH Battery (3 years working hours)