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: |
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0.07 ~ 0.7 Kg/cm2 |
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Power Supply: |
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12 ~ 36VDC (2 wire 4-20 mA) |
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Ni-MH Battery (3 years working hours) |
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