Lake Monitors FreeFlow Meter - Manual (Page 2)

Performance
Measuring Accuracy: ±2% of full-scale
Repeatability: ±.5% of full-scale
Flow Measuring Range: 5-15 GPM (19-57 LPM)
Turn Down Ratio (All Ranges): 8:1
Maximum Operating Pressure: 125 PSIG (8.6 bar)
Maximum Operating Temperature: 170°F (76°C)
Pressure Differential: See graph on page 1 1.
Filtration Requirements: 200 Micron minimum
Materials of Construction
End Ports PVC
Wedge Element PVC
Pressure Sensor Polyetherimide
Electrical Enclosure Polycarbonate
Page 2 Page 11
Electronic Specifications
Electronic Output: 0-5/0-10 Vdc (standard), 4-20 mA (optional)
Power Requirements: 12-35 Vdc
Flow Measuring Range: 5-15 GPM (19-57 LPM)
Maximum Current Consumption: 25 mAdc
Maximum Load Resistance: 1000
Maximum Transmission Distance: 200 feet
Resolution: 12-bit
Response Time: 500 mS 10% to 90% (step change )
Protection: Short circuit, transient & reverse polarity
DIM 3/8" Female NPTF 1/2" Female NPTF 3/4" Female NPTF
A 6-7/8" (175mm) 6-7/8" (175mm) 7-1/2" (191mm)
B 2-7/32" (57mm) 2-7/32" (57mm) 2-7/32" (57mm)
C 1-3/32" (28mm) 1-3/32" (28 mm) 1-5/16" (34 mm)
D 5-1/4" (134mm) 5-1/4" (134mm) 5-1/4" (134mm)