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Air-Water Flow Sensors With 0 to 5 Vdc Output
FLR1000
PLACE ORDER - 0 to 5 Vdc Linear Output Signal
- Power Input 12 Vdc or 24 Vdc (depending on the model)
- Ranges from 20 to 100 ml/min, 100 to 500 L/min
- 1% Accuracy for Liquids/3% Accuracy for Gasses
- Highly Repeatability
- Stainless Steel Models are Available at: FLR1000ST
Description
Description
FLR1000 Series flow sensors can measure extremelylow flow rates from 20 mL/min to 500 L/min. Thesesensors are suitable for a wide variety of industrial,commercial, and laboratory flow applications.FLR1000 Series flow sensors operate on 12 Vdcpower and are designed for incorporation into dataacquisition systems that supply 12.5 Vdc to sensorsand receive 0 to 5 Vdc linear signals in return.Because of their cost effectiveness, FLR1000 Seriesunits may replace conventional glass tube and ballflowmeters in applications in which an electrical signalproportional to flow rate is desired.
The FLR1000 Series uses a Pelton-type turbine wheelto determine the flow rate of the gas. The rotation rateof the turbine wheel is linear over a wide dynamicrange. The electro-optical system consists of a diodeemitting energy in the infrared spectrum. Light energyis alternatively reflected and absorbed from "spokes"deposited on the small turbine wheel. This reflectedlight energy is detected by a photodiode. Thus, as theturbine wheel rotates in response to gas flow rate,electrical pulses are generated. Processing circuitryprovides a DC voltage output proportional to the flowrate. For example, output signal is 1.0 Vdc at 20% ofrated flow, 2.5 Vdc at 50% of rated flow, 4.0 Vdc at80% of rated flow, and 5.0 Vdc at 100% of rated flow.Sensors can handle 20% above their rated flowwithout being damaged.
SPECIFICATIONS
FLR1000 Series
Accuracy: ±3% FS
Display: 3½-digit LCD, 22 mm (7/8") H
Output Signal: 0 to 5 Vdc, adjustable ±20% (typical)
Power Requirement: 11.5 to 15 Vdc regulated, 30 mA (typical)
Standard Sensor Material: 40% glass filled polyphenelene sulfide, glass window, stainless steel bearing support; sapphire shaft and bearing; FKM rubber O-rings standard
Pressure Rating: 40 psi at 20°C (68°F) for gas, 100 psi for liquid, 500 psi for brass units using liquid services
Temperature Rating: 0 to 50°C (32 to 122°F)
Temperature Sensitivity: ±0.2%/°C
Linearity: ±3% FS
Repeatability: ±0.5% FS from 50 to 100% of rated max flow for gas; ±0.2% FS for liquid
Cable Assembly: 0.9 m (3') cable length
Dimensions:
Display: 76 x 44 x 89 mm (3 x 1.75 x 3.5")
Non-Display: 60 x 42 x 37 mm (2.35 x 1.65 x 1.25")
Pressure Sensitivity: ±0.07%/mm Hg (using air at 1 to 3 atm)
Mounting: Holes for #4 screw provided
Voltage Output Models: 11.5 to 12.5 Vdc (0.4 W @ 12 Vdc)
Current Output Models: 18 to 24 Vdc (1.2 W @ 24 Vdc), 50 mA
| Gas Flow Models - PPS Construction |
Model No.
No Display | Model No.
with Display | Flow Range | Max Pressure Drop | Acetal Tube Fitting |
| FLR1001 | FLR1001-D | 20 to 100 mL/min | 20 Inches Water | 1/8" |
| FLR1002 | FLR1002-D | 40 to 200 mL/min | 8 Inches Water | 1/8" |
| FLR1003 | FLR1003-D | 100 to 500 mL/min | 2 Inches Water | 1/8" |
| FLR1004 | FLR1004-D | 200 to 1000 mL/min | 2 Inches Water | 1/8" |
| FLR1005 | FLR1005-D | 0.4 to 2 L/min | 2 Inches Water | 1/4" |
| FLR1006 | FLR1006-D | 1.0 to 5 L/min | 2 Inches Water | 1/4" |
| FLR1201 | FLR1201-D | 2.0 to 10 L/min | 3 Inches Water | 1/4" |
| FLR1202 | FLR1202-D | 4.0 to 20 L/min | 3 Inches Water | 3/8" |
| FLR1203 | FLR1203-D | 10 to 50 L/min | 3 Inches Water | 3/8" |
| FLR1204 | FLR1204-D | 20 to 100 L/min | 3 Inches Water | 1/2" |
| FLR1205 | FLR1205-D | 40 to 200 L/min | 5 Inches Water | 1/2" |
| FLR1206 | FLR1206-D | 100 to 500 L/min | 20 Inches Water | 1/2" |
| Liquid Flow Models - PPS Construction |
Model No.
No Display | Model No.
with Display | Flow Range | Max Pressure Drop | Acetal Tube Fitting |
| FLR1007 | FLR1007-D | 13 to 100 mL/min | 10 psi | 1/8" |
| FLR1008 | FLR1008-D | 20 to 200 mL/min | 10 psi | 1/4" |
| FLR1009 | FLR1009-D | 50 to 500 mL/min | 10 psi | 1/4" |
| FLR1010 | FLR1010-D | 100 to 1000 mL/min | 6 psi | 1/4" |
| FLR1011 | FLR1011-D | 0.2 to 2 L/min | 6 psi | 1/4" |
| FLR1012 | FLR1012-D | 0.5 to 5 L/min | 6 psi | 3/8" |
| FLR1013 | FLR1013-D | 1.0 to 10 L/min | 10 psi | 3/8" |
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