APF811 Series

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The APF811 Series is designed based on Oval Gear technology. It is available with a 2-line LCD Display Register, and it also provides 4-20 mA, pulse, RS485 output functions. APF811 Series Oval Gear flowmeter has high accuracy and is easily adaptable to most industrial applications.

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  • 10-200 mm (3/8″-8″) pipe sizes
  • Handles viscosities up to 2000 cP
  • Wide range of applications
  • Various process connection types are available
  • 7 digits flowrate + 8 digits totalizer
  • Supports 4-20 mA, pulse output, and RS485 communication
  • High accuracy of +/-0.5% of reading (or +/-0.2% of reading)
  • With batch totalizer and sum totalizer reset functions
Size : 10, 15, 20, 25, 40, 50,65, 80, 100, 150, 200 mm
Flow Range : 0.03-340 m3/hr
Accuracy : +/-0.5% of reading (Standard)
: +/-0.2% of reading (Option)
Repeatability : +/-0.1% of reading
Material
Body, Cover & Flange : Cast Iron / Cast Steel / S.S. 304 / S.S. 316
Oval Gear : Cast Iron / S.S. 304 / S.S. 316
O-Rings : Viton
Shaft Sleeve : Bronze / Graphite
Converter Housing : Aluminum Alloy
Max. Viscosity : 0.6-200 cP (Standard)
: 201-2000 cP (Option)
Operating Temperature : -20~60 °C (Standard)
: -20~150 °C (Option)
Ambient Temperature : -25~60 °C
Max. Pressure : 16 kgf/cm2 (Cast Iron)
: 63 kgf/cm2 (Cast Steel / Stainless Steel)
Process Connection : Flange
Flange Type : JIS 10K / JIS 20K / JIS 40K
ANSI 150# / ANSI 300# / ANSI 600#
DIN P10 / PN16 / PN25 / PN40
Protection Class : IP66
: Explosion Proof, Ex db IIC T6
Display
Display : 2 Lines LCD
Flowrate : 7 Digits
Resettable Totalizer : 6 Digits (0-999999 L)
Cumulative total : 8 Digits (0-99999999 m3)
Unit : m3/hr, L/hr, L/min
Current Output : 4-20 mA
Load : Max. 600 W
Pulse Output : Open Collector (2-Wire, Scaled Pulse)
Active Pulse (Freq.) : 12-28 VDC, 18.3 mA Max.
Communication : RS485 (MODBUS Protocol)
Power Supply : 24 +/-15% VDC (with backlit)
: 3.6 V Battery, 4000 mAh, 18505 *1 PC
: Battery life <2 years
Keypad : 3 Internal keys for programming, Resettable
Totalizer and Cumulative total can also
be viewed and cleared via the magnetic
key without opening the cover
Painting : Red lead + Blue
: No painting (S.S. 304 / S.S. 316)
Cable Entry : M20 (Standard)
: 1/2″ NPTF (Option)
Option : Heating Jacket (Heat oil or Steam)
: Strainers, Y-Type or U-Type
: Strainer with Air Eliminator, Flange End

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