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Product information
Specifications

ASF7100 Vortex flow meter Alia Vietnam

Introducing ASF7100 Alia Vietnam

The ASF7100 series vortex flow meter is a gas flow meter that combines turbine and vortex flow measurement technology to provide a reliable, highly accurate, robust and maintenance-free flow meter .

The turbine-shaped flow inlet causes the flow to rotate causing the vortex core to form and the subsequent secondary rotation to create thread-like spirals.

These obtained secondary pressure frequencies are linear and proportional and are measured using a dual piezoelectric sensor.

The resulting measurements are processed & compensated for pressure & temperature, then converted to a flow measurement display.

ASF7100 series vortex flow meter can be widely used in petroleum, chemical, power, metallurgy, coal and other industries.

Features of ASF7100 Alia Vietnam

2 Built-in sensors reduce external vibration/frequency interference
There are no integrated moving parts to ensure a stable, reliable and long life
Integrated temperature and pressure measurement ensures practical compensation
Multiple O/P signals: 4-20 mA, Pulse, RS485, Alarm
Adjustable display/results (90 ^o , 180 ^o , 270 ^o , 360 ^o ) Simple adjustment
Powered by battery or external DC power
Reduced pressure loss due to internal piping configuration
Reduces straight upstream/downstream pipeline requirements

Technical specifications of ASF7100 Alia Vietnam

Size	:	15, 20, 25, 32, 40, 50, 65, 80, 100, 125,
		150, 200mm (1/2", 3/4",1-1/4",1-1/2",
		2", 2-1/2", 3", 4", 5", 6", 8")
Measuring range	:	0.3 - 3600 m3 / ^hour
Accuracy	:	+/- 1.5% of reading (Standard)
	:	+/-1.0% of reading (Optional)
Housing materials	:	Aluminum alloy
Body material	:	Cast aluminum alloy
	:	304 stainless steel
	:	316 stainless steel
	:	316L stainless steel
Process connection	:	Flange type
Flange type	:	HE 10K / HE 20K / HE 40K
		ANSI 150# / ANSI 300# / ANSI 600#
		PN10/PN16/PN25 /PN40
Max. Pressure	:	Cast aluminum alloy, Max. 16 kgf/ ^cm2
	:	Stainless steel, max. 64 kgf/ ^cm2
Average temperature	:	-20~80°C
Ambient temperature	:	-20~65°C
Power supply	:	15-30 VDC (2-W ire )
	:	24 VDC ±10% ( 4 wires )
	:	Pin 3.6V, cỡ C
Energy consumption	:	<2W (24 VDC)
Battery life	:	More than 2 years (3.6V battery)

Local display	:	4- line LCD
	:	7-digit flow
	:	Total set of 8 digits + 4 decimals
Unit	:	Nm ³ /hour, m ³ /hour, kg/hour
Keyboard	:	3 internal keys for programming
		and display configuration
Output current	:	4-20 mA (2 wire, 4 wire)
Payload	:	Rohm=(VDC-15) * 50
Output unit	:	Normal traffic / Actual traffic
Pulse output	:	Operating frequency/Pulse ratio
Rating	:	24 VDC, 50 mA max.
Warning output	:	2 Relays, upper and lower alarms
Rating	:	5A 30 VDC / 5A 250 VAC
Output unit	:	Normal flow / Actual flow / T/P
Communicate	:	RS485 (MODBUS)
Data saving	:	Operational parameters and totals
		Data stored by EEPROM (> 10 years.)
Enter the cable	:	Standard: M20*1.5 Optional: 1/2" NPTF
Protection class	:	IP65
	:	Explosion-proof, Ex d IIC T4-T6
Sensor
Pressure sensors	:	Piezoelectric silicon sensor
Temperature sensor	:	R TD