AVF250 Đại lý hãng Alia tại Việt Nam, nhà phân phối hãng Alia tại Việt Nam , thiết bị đo lưu lượng Alia, thiết bị đo mức Alia
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 | 
		
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			|  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
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			| SPECIFICATION | 
		
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						| 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 | 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 to 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 Kg/cm2 (15mm ~ 50mm) | Rating |  
						| 16 Kg/cm2 (65mm ~ 200mm) | 3 to 30Vdc, 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 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 (Compatible) | Pressure Loss: |  
						|  | 0.07 ~ 0.7 Kg/cm2 |  
						|  | Power Supply: |  
						|  | 12 ~ 36VDC (2 wire 4-20 mA) |  
						|  | Ni-MH Battery (3 years working hours) |  |