Variable Area Flowmeter AVF250 Series

FEATURES

 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
 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 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
+/-1.6% (Standard)	Max. 600
+/-1.0% (Optional)	Pulse Output:
Repeatability:	Open collector (Scale pulse)
+/-0.5% FS	Rating
Material:	3-30 VDC, 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 kgf/cm² (15-50 mm)	Rating
16 kgf/cm² (65-200 mm)	3-30 VDC, 100 mA Max.
Temperature:	Keypad:
-25~200 ^oC (Standard)	3 Internal keys for programming
-25~100 ^oC (LCD Display)	and display control
0~80 ^oC (PTFE Liner)	Ambient Temperature:
-80~400 ^oC (Optional)	-25~60 ^oC
Flange Type:	Protection Class:
JIS 10K / JIS 20K / JIS 40K	IP65
ANSI 150# / ANSI 300# / ANSI 600#	Intrinsically Safe, Eex ia IIC T5
DIN PN10 / PN16 / PN25 / PN40	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 (Compatible)	Pressure Loss:
	0.07-0.7 kgf/cm²
	Power Supply:
	12-36 VDC (2 wire 4-20 mA)
	Ni-MH Battery (3 years working hours)