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Products // Positive Displacement Flowmeter  
APF850 Series

The APF850 Series is designed in Oval Gear technology with digit display for totalizer & flowrate and providing scaled pulse and analog output 4-20 mA.
APF850 Series Oval Gear flowmeters are both with high accuracy and easily adaptable to most industrial applications.

 15-40 mm (1/2"~1-1/2") lines sizes
 Handles viscosities up to 50000 CP
 Wide range of application
 Various process connection types available
 5 Digit Totalizer (Resettable) / 8 digit Totalizer (LCD)
 4-20 mA or pulse output
 High accuracy of +/-0.5% of reading (or+/-0.2% of reading)
 Display with auto sleep function that gets up to 6 years of battery life


Size: Flow Range:
15S, 015, 020, 025, 040 mm 15S mm
Flow Range: 5-200 L/hr@5 cP
5-5000 L/hr 015 mm
Accuracy: 10-700 L/hr@5 cP
+/-0.5% of reading (Standard) 020 mm
+/-0.2% of reading (Option) 20-1300 L/hr@5 cP
Repeatability: 025 mm
+/-0.1% of reading 50-3500 L/hr@5 cP
Material: 040 mm
Body, Cover & Flange 100-5000 L/hr@5 cP
Cast Iron / Stainless Steel 316 Display:
Roots Flowrate / Totalizer
Polyphenylene sulfide (PPS) 5 Digit Flowrate / 8 Digit Totalizer
O-Rings Dual Totalizer
PTFE 5 Digit Totalizer (Resettable, Magnet)
Register Housing 8 Digit Totalizer (Reset from Internal)
Aluminum Alloy Engineer Unit:
Max. Viscosity: L, m3,  ft3, Gal
0.5-200 cP (Standard) Time Unit:
201-50000 cP (Optional) Sec, min, hr
Operating Temperature: Current output:
-10~120 oC (Standard) 4-20 mA (2 wire)
-10~150 oC(Optional) Load
Max. Pressure: Rohm (VDC-6) * 50
19 kgf/cm2 Pulse Output:
Process Connection: Without Display
Thread Reed Switch (2 Wire, Unscaled pulse)
NPT (Male) with Coupling 2-36 VDC, 500 mA Max. 
Flange With Display
JIS 10K FF / ANSI 150# FF Open Collector (2 Wire, Scaled pulse)
Power Supply: 11-26 VDC, 50 mA Max. 
3.6 V Battery, Size D * 1 ea Cable Entry:
Battery Life: 1/2" NPT (F)
3-6 years Optional:
Protection Class: Heating Jacket (Heat oil or Steam)
IP65 Strainers, U-Type or Y-Type
Intrinsically Safe, Eex ia IIC T5 Air Eliminator
Explosion Proof, Ex d IIB T6 Ambient Temperature:
Painting: -25~60 oC
Dark Grey

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