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AVF250 Series
เนื้อหา




AVF250 Series
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
• 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 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 Ω

+/-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)

 


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