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8081 Flowmeter for Water Continuous Measurement
Brand: Burkert Fluid Control Systems
The Type 8081 ultrasonic flowmeter is intended for the measurement of water flows which may be slightly charged with contaminants.
It consists of an electronic module and a brass fitting with a built-in measuring tube. It enables a control loop to be established.
The electrical connection is made via an 5-pin M12 fixed connector.
Features- Ultrasonic flowmeter using transit time method
- Dynamic range ≥ 1:250
- Low pressure drop
- No flow-settling section necessary in the inlet and/or outlet
1 - 12 of 20 Part Numbers
559 865
- Model - QN 1.5
- Process Connection - G 3/4" Male
- Output - Pulse, NPN
559 866
- Model - QN 2.5
- Process Connection - G 1" Male
- Output - Pulse, NPN
559 867
- Model - QN 3.5
- Process Connection - G1-1/4" Male
- Output - Pulse, NPN
559 868
- Model - QN 1.5
- Process Connection - G 3/4" Male
- Output - Pulse, PNP + 4-20 mA as Source
559 869
- Model - QN 2.5
- Process Connection - G 1" Male
- Output - Pulse, PNP + 4-20 mA as Source
559 870
- Model - QN 3.5
- Process Connection - G1-1/4" Male
- Output - Pulse, PNP + 4-20 mA as Source
560 113
- Model - QN 0.6
- Process Connection - G 3/4" Male
- Output - Pulse, PNP + 4-20 mA as Source
560 114
- Model - QN 6.0
- Process Connection - G1-1/4" Male
- Output - Pulse, PNP + 4-20 mA as Source
560 131
- Model - QN 0.6
- Process Connection - G 3/4" Male
- Output - Pulse, NPN
560 132
- Model - QN 6.0
- Process Connection - G1-1/4" Male
- Output - Pulse, NPN
560 612
- Model - QN 0.6
- Process Connection - 3/4" Male NPT
- Output - Pulse, NPN
560 613
- Model - QN 1.5
- Process Connection - 3/4" Male NPT
- Output - Pulse, NPN
1 - 12 of 20 Part Numbers
Specifications
Accuracy
- Flowrate: ≤ (0.01 % of Full Scale + 2 % of Measuring Value)
Ambient Temperature Range
- Operating & Storage: 5° to 55° C (41° to 131° F)
Approvals & Certifications
- EMC: EN 61000-6-3, EN 61000-6-2
- PED 97/23/CE
- Calibration Certificate
- Test Report 2.2 Certificate
BSP Connection
- G 1” Male
- G 1-1/4” Male
- G 3/4” Male
Circuit Protection
- Short Circuit: Protected for Transistor Output
Consumption
- Current - Consumption with Load: < 1 A
- Current - Own Consumption: < 4 mA
Cover Material
- PPS
Current
- 4-20 mA
Diameter
- Pipe: 1/2 to 1” (DN 15 to DN 25)
Electrical Connectors
- 1.5 mm², Max.
- 5-Pin M12 Male Fixed Connector for Female 5-Pin M12 Cable Plug
Electrical Protection
- Voltage Peak: Protected
Enclosure, Body Material
- PPS
Environmental Protection
- IP65
Humidity
- ≤ 80 % Relative Humidity, Non-Condensing
K-Factor
- Scaling Pulse (Transistor): 100 Pulse/Litre - Version QN 6.0
- Scaling Pulse (Transistor): 200 Pulse/Litre - Version QN 2.5 - 3.5
- Scaling Pulse (Transistor): 500 Pulse/Litre - Version QN 0.6 & 1.5
Loop Resistance
- 1,100 ohms at 36 Vdc, Max.
- 100 ohms at 12 Vdc, Max.
- 610 ohms at 24 Vdc, Max.
Materials of Construction
- Fixed Connector M12: Polyamide (PA)
Measuring Range
- 0.06 to 200 L/minute
NPT Connection
- 1” NPT Male
- 1-1/4” NPT Male
- 3/4” NPT Male
Output
- 4-20 mA
- Pulse (Transistor): 5-700 mA
- Version without Current Output (NPN): 0.2-36 Vdc
Output Format
- Open Collector
Power Supply
- 12-36 Vdc
Pressure Range
- psi: 0 to 232.16 (kPa: 0 to 1,600, bar: 0 to 16)
Process Temperature
- 5° to 90° C (41° to 194° F)
Repeatability
- ≤ 1 %
Reverse Polarity Protection
- Protected Against Reverse Polarity of DC
Seat / Seal Material
- Seal: EPDM
- Seal: Silicone
Shock
- EN 60068-2-27
Switch Type
- Transistor (NPN & PNP)
Vibration
- EN 60068-2-6
Wetted Materials
- Fitting: Brass
- Measuring Tube: PES