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RAGK Mini Rotameter Flow Meter
Brand: Yokogawa Electric CorporationThe RAGK Short Rotameter measures liquids and gases, designed with a conical glass metering tube that has a free rotating float.
The flow is indicated by the top of the float and can be read from the standard scale on the metering tube or from a connected scale.
Measurable Flow Rate:
- Water = 0.002 l/h to 600 l/h
- Air = 0.2 l/h to 6300 l/h
Meets High Safety Standards
The RAGK’s tube is fixed between two square formed heads and sealed with o-ring gaskets made of Buna or Viton, providing a higher level of safety. Its stainless steel rear wall stabilizes the construction, and a plastic cover protects the rotameter.
Features- Two different tube lengths
- Needle valves direct assembled in the head of the inlet or the outlet
- Inductive ring sensors (GR) as limit switches available
- Magnetic contacts (Reed sensors) for M3-tubes
- Inlet and outlet flow controller available
Specifications
Accuracy
- ± 2.5 % of Full Scale - Standard Flow
- ± 4 % of Full Scale
- ± 6 % of Full Scale
Approvals & Certifications
- ATEX: Explosion-proof, Intrinsic Safe [EEx ia] II C According to PTB 00-ATEX-2081, PTB 00-ATEX-2081
- CE 0344
- EMC: DIN EN 61000-4-2, DIN EN 61000-4-3, DIN EN 61000-4-4, DIN EN 61000-4-6 & DIN EN 55011
- Ex II 2 G
Approvals & Certifications
- Certificate of Compliance with the Order According to EN 10204: 2004- 2.1
- Flow Table for Recalculation
- Pressure Test Report for Measuring System
BSP Connection
- 1/4" BSPP Female
- 1/8" BSPP Female
Consumption
- 2.2 mA According DIN EN 60947-5-6 (NAMUR) - Float Above Ring Sensor
Diameter
- Tube Diameter: 0.39" (10 mm)
- Tube Diameter: 0.67" (17 mm)
- Tube Diameter: 1.10" (28 mm)
Differential Pressure
- > psi: 5.8 (kPa: 40, Mbar: 400) - Controller
Electrical Connectors
- 0.4 mm², 2 m Long
- 2 x 0.14 mm² with Shield
- LIYY 2 x 0.34 mm², 1 m Long - Reed Contact
Electrical Contacts
- Bistable Reed Contact
- Changeover Contact
Electrical Rating
- 230 V / 0.6 A / 12 W/VA - Reed Contact with Bistable
- 250 Vac / 4 A / 500 VA, Max.
Enclosure, Body Material
- Chromium Nickel-Steel - Controller, Float
- Polystyrene - Reed Contact
Environmental Protection
- Explosion-proof: EX Ia IIC 2 G T6, PTB 03-ATEX-2111
- Intrinsically Safe
- IP65
- IP67
Flow Rate
- 0.002 to 630 L/hr to Water (20° C)
- 0.2 to 6,300 L/hr to Air (20° C, 1 bar Absolute)
- 100 L/hr, Max.
- 3,000 L/hr, Max.
Gasket Material
- Buna-N
- PTFE
- Viton
Length
- Tube Length Typical: 150 mm (5.90")
- Tube Length Typical: 75 mm (2.95")
Materials of Construction
- Corundum - Float Material
- Glass Ball - Float Material
- MuMetal - Float Material
- PTFE - Controller (Membrane)
- PVDF - Limit Switch & Float Material
- Titanium - Float Material
Maximum System Pressure
- psi: 232.1 (kPa: 1,600, bar: 16)
Mounting
- Tapped Holes
NPT Connection
- 1/4" NPT
- 1/8" NPT
- 3/8" NPT
O-Ring Material
- Viton
Power Supply
- 115 Vac
- 230 Vac
- 24 Vdc
- 4.5 - 15 Vdc
Process Connection Material
- 316L Stainless Steel - Cutting Ring, Nozzle, Swagelok Connection, Inner Thread, Holder, Float & Material of Fitting
- Polypropylene (PP) - Inner Thread, Holder, Float & Material of Fitting
- Steel - Cutting Ring, Nozzle
Relay Output
- 1 or 2 Potential Free Changeover Contacts
Seat / Seal Material
- Valve Seat: PTFE
- Valve Seat: Silver
Sensor, Probe Diameter
- 0.06" to 0.61" (1.6 to 15.7 mm)
Sensor, Probe Style
- Float
Spring Material
- Chromium Nickel-Steel - Controller
Switch Type
- Bistable Inductive Ring Sensor
Temperature Range
- -10° to 70° C (14° to 158° F) - Reed Contact with Bistable
- 100° C (212° F) - Max.
- 130° C (266° F) - Max.
- -25° to 65° C (-13° to 149° F) - Bistable Inductive Ring Sensor
- 80° C (176° F) - Max.