Description
ALIAVA AVF250 Alia Variable Area Flowmeters Series is a flowmeter commonly used in Auto-industry process control. It’s with small volume, wide range, and easy operation. It could also measure liquid, gas, and steam flow rates, especially fit for small flow rate applications.
Features
- 4-digit flow rate & 8-digit totalizer.
- Local indication without auxiliary power.
- 4-20 mA & Scale pulse output.
- Low-pressure loss on gas and steam application.
- Damper for Gas/Steam application.
- Consistent overall length.
- Heating jacket design.
- Intrinsically safe & explosion-proof for hazardous area.
Specifications
| 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 | 4 Digit Flowrate | |
| Gas – 0.03 ~ 4000 M3/Hr | 8 Digit Totalizer | |
| Turndown Ratio : | Current output : | |
| 10:1 (20:1 Optional) | 4-20 mA(2 Wire) | |
| Accuracy: | Load | |
| +/-1.6%(Standard) |
| |
| +/-1.0%(Optional) | Pulse output: | |
| Repeatability: | Open collector (Scale pulse) | |
| +/-0.5% value of reading | Rating | |
| Material: | 3 to 30Vdc, 100 mA Max. | |
| Tube & Float | Data Storage: | |
| Stainless Steel 304 | Operation parameters and totalization | |
| 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: | Keyboard: | |
| -80 ~ +200oC (Standard) | 3 keys from internal for programming | |
| -25 ~ +100oC (LCD Display) | and display control. | |
| 0 ~ +85 oC (PTFE Liner) | Ambient temperature: | |
| -80 ~ +400oC (Optional) | -25 to +60oC | |
| 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) | M20 * 1.5 | |
| HART Signal | Pressure Drop: | |
| 0.07 ~ 0.7 Kg/cm2 | ||
| Power supply: | ||
| 11 ~ 36VDC( 2 wire 4-20 mA) | ||
| Ni-MH Battery(3 years working hours |
Source : www.alia-inc.com
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