sup-lz metal tube rotameter

SUP-LZ Metal Tube Rotameter

SUP-LZ Metal Tube Rotameter is a device that measures the volumetric flow rate of fluid in a closed tube. It belongs to a class of meters called variable-area flowmeters, which measure flow rate by allowing the cross-sectional area the fluid travels through to vary, causing a measurable effect.

  • Ingress protection: IP65
  • Range ratio: Standard: 10:1
  • Pressure: Standard: DN15~DN50≤4.0MPa, DN80~DN400≤1.6MPa
  • Connection: Flange, Clamp, Thread
  • Product Features
  • Product Parameters
  • Product Introduction
  • Wide Range

    Standard: 10:1,optional: 20:1.

  • Four Temp Ranges

    Standard: -20℃-120℃; PTFE: 0℃-80℃; High temp: 120℃-450℃; Low temp: -80℃- -20℃.

  • Low Pressure Loss

    Compared with turbine flowmeters and vortex flowmeters, the pressure loss is smaller and the measurement is more accurate.

  • Magnetic Coupling

    The use of a new type of magnetic coupling structure, coupled with a solid and stable all-metal structure, makes the signal transmission more stable.

Product Metal Tube Rotameter
Model SUP-LZ
Range Water (20℃) (01~200000) L/h Air (20,0.1013MPa) (0.03~3000) m³/h
Range ratio Standard 10:1       Optional 20:1
Accuracy Standard: 1.5%     Optional:1%       Gas: 1.5%
Pressure
standard:DN15~DN50≤4.0MPa DN80~DN200≤1.6MPa Optioanl: DN15~DN50≤32MPa DN80~DN200≤16MPa
Connection Flange, Clamp, Thread, Sanity thread
Medium temperature
Standard: -20℃~120℃ PTFE 0℃~80℃ High temp: 120℃~450℃ low temp: -80℃~-20℃
Environment temperature
Remote type: -40℃~85℃ Pointer type/local alarm type -40℃~100℃
Power supply
Standard type: 24VDC two-wire system (4-20) mA (12VDC~32VDC) Alarm type: 24VDC multi-wire system (4-20) mA (12VDC~32VDC) AC type: (100~240) VAC 50Hz~60Hz Battery type: 3.6V@9AH lithium battery
Load resistance RLmax: 600Ω
Alarm Output
Upper and lower limit instantaneous flow alarm Local alarm type: upper limit, lower limit or upper and lower limit instantaneous flow alarm (Contact capacity 1A@30VDC) Upper limit and lower limit alarm hold range is a maximum of 60% of range, and the minimum interval between upper and lower limit
alarms is 10% of range
Pulse output Cumulative pulse output is output of optocoupler signal isolation Darlington tube (internal 24VDC power supply, maximum current
8mA)
Ingress protection IP65
sup-lz metal tube rotameter

A metal tube Rotameter is a type of flow meter that measures the flow rate of a fluid, typically a gas or a liquid. It consists of a tapered metal tube, a float, and a scale. The tapered metal tube has a larger diameter at the bottom and gradually narrows towards the top. The float is a small metallic ball or cylinder that moves freely up and down inside the tube. The scale is marked with flow rate graduations and is attached to the outside of the tube.

The operation of a metal tube Rotameter is based on the principle of buoyancy. When fluid flows through the metal tube, the float rises or falls to a position where the force of the fluid flow is equal to the gravitational force acting on the float. The position of the float corresponds to the flow rate of the fluid, and this can be read off the scale. As the flow rate increases, the float rises and the reading on the scale increases. Conversely, as the flow rate decreases, the float falls and the reading on the scale decreases.

Success cases

The magnetic inductive flowmeter industry, these are successful cases with comparable and reference value.

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