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DRH Rotating Vane Flowmeter
Brand: KOBOLD Instruments, Inc
KOBOLD rotating vane flow meters series DRH are used for measuring and monitoring low viscous liquids. Series DRH flow meters are working according the well-known rotating vane principle.
A magnet fitted in the vane and hermetically sealed from the medium transfers non-contacting the rotary motion to a Hall-effect sensor mounted in the housing. The sensor converts the rotary motion which is proportional to the flow to a frequency signal.
A series-connected electronics unit converts the signal to an Analog output, limit contacts or display. These devices can be adapted to prevailing plant conditions with the 360° rotatable screw connections.
Specifications
Brand
Accuracy
- ± 2.5 % of Full Scale
- ± 5 % of Full Scale (DRH-F300)
Applications
- Agricultural Machinery
- Cooling Water Monitoring
- PCB Board Industry
Axle Material
- Ceramic
Bearing Material
- PTFE
BSP Connection
- G 1” Female
- G 3/8” Female
Consumption
- 10 mA - Power Consumption
- 15 mA - Power Consumption
Cover - for Local Enclosure
- 316 Stainless Steel
- Brass, Nickel-Plated
- PMMA
- POM
- PVDF
Display
- 240° Display Moving-Coil Instrument
- 3-Segment LED Display
Electrical Connectors
- Cable
- Plug Connector DIN 43650
- Plug Connector M12 x 1
Electrical Contacts
- Normally Closed Frequency Programmable - Contact Operation
- Normally Open Frequency Programmable - Contact Operation
Enclosure, Body Material
- 316L Stainless Steel
- Aluminum
- Brass, Nickel-Plated
- POM
- PVDF
Environmental Protection
- IP65
Flow Rate
- 0.2 to 50 L/minute for Water
Frequency
- 63 to 220 Hz
Loop Resistance
- 250 ohms - Max.
- 500 ohms - Max.
Materials of Construction
- PTFE - Rotating Vane
Maximum System Pressure
- psi: 1,450 (kPa: 10,000, bar: 100)
NPT Connection
- 1” NPT Female
- 3/8” NPT Female
Orifice Size
- 0.039” to 0.39” (1 to 10 mm)
Output
- 0-20 mA
- 25 mA - Max.
- 4-20 mA
Power
- 500 W - Analog Output
Power Requirement
- 12-28 Vdc - Power Supply
- 24 Vdc ± 20 % - Power Supply
Seat / Seal Material
- FPM
- NBR
Switch Type
- Transistor - 1 (2) Semiconductor NPN: Switching Outputs
- Transistor - 1 (2) Semiconductor PNP: Switching Outputs
- Transistor - Open Collector: Pulse Output
- Transistor - PNP: Pulse Output
Temperature Range
- Maximum
Version / Leadwires
- 2-Wire
- 3-Wire
