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RAQN Rotameter Flow Meter
Brand: Yokogawa Electric CorporationThis type of Rotameter is designed for measurement of liquids and gases.
The conical glass metering tube has a free rotating float.
This float is mounted in a vertical pipeline with flow direction upwards.
The flow is indicated by the top of the float and can be read on the standard scale of the metering tube or on a pin-on scale.
Features- Breaking Proof
- Easy to Handle
- Highly Corrosion Resistant
- Low Pressure Loss
- Visible Monitoring of the Measured Medium
- Local Indication without Power Supply
- Selectable Scale
Specifications
Accuracy
- Class 4 (2.5) According VDI 3513
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
Approvals & Certifications
- PTB 00-ATEX-2081 (230 Vac) & PTB 00-ATEX-2080 (24 Vdc)
BSP Connection
- G 1-1/2”
- G 2”
- G 2-3/4”
Electrical Connectors
- LIYY 2 x 0.34 mm², 1 Meter Long - Reed Contact with Bistable Switching
Electrical Contacts
- Reed Contact with Bistable Switching
Electrical Rating
- 230 V / 0.6 A / 12 W/VA - Reed Contact with Bistable Switching
- 250 Vac / 4 A / 500 VA, Max.
Enclosure, Body Material
- Polyamide - Rotameter
- Polystyrol - Reed Contact with Bistable Switching
- Polysulphone - Rotameter
Environmental Protection
- Explosion-proof: According to EN 50020, IIC 2 G T6
- Intrinsically Safe [EEx ia] IIC According Declaration of Conformity (Control Circuit)
- IP65
Flow Rate
- 0.044 to 44 gpm (0.01 to 10 m³/hour) to Water at 20° C (68° F)
- 0.7 to 1100.7 gpm (0.16 to 250 m³/hour) to Air at 20° C (68° F), 1 bar Absolute
Length
- Metering Tube: 13.77” (350 mm)
Materials of Construction
- 316Ti Stainless Steel - Float
- Polypropylene - Float
Maximum System Pressure
- psi: 145 (bar: 10, kPa: 1,000)
Power Supply
- 115 Vac
- 230 Vac
- 24 Vdc
Process Connection Material
- PVC at < 60° C (140° F) - Glue Socket & Float
- Steel - Inner Thread Rp
Relay Output
- 1 or 2 Potential Free Changeover Contacts
Sensor, Probe Diameter
- 0.85” to 2.12” (21.6 to 54.1 mm)
Sensor, Probe Style
- Float
Switch Type
- Transistor Relay According to DIN EN 50227 (NAMUR)
Temperature Range
- -10° to 60° C (14° to 140° F) - Max.
- -10° to 70° C (14° to 158° F) - Reed Contact with Bistable Switching