FLOW METER DEMONSTRATION APPARATUS Model FM 18

FLOW METER DEMONSTRATION APPARATUS Model FM 18

Sci-tech Flow Meter Demonstration Apparatus Model FM 18 is a mobile bench top unit and has been designed to demonstrate the working of the venture meter, orifice plate and the turbine flow meter. The apparatus consists of a piping network with flow meters located suitably and instrumented with static pressure taps. Provision is made to calibrate and determine the co-efficient of discharge of venture meter and orifice plate. The turbine flow meter is used as a reference. The flow meters are calibrated by static pressure measurements using manometers and actual flow measurements using graduated measuring tank of the hydraulic bench. Wall pressure tapings are provided along the converging and diverging portions of the venture-meter to measure the static pressure distribution. Multi-tube manometer having a manifold with an air bleed valve is supplied to make static pressure measurements. The manometer is pressurized by a hand pump.

Size: 60cm x 40cm x 90cm (LxWxH)
Weight: 15 kg

Item Description

Various devices are available to measure the fluid flow rate. Majority of these devices use the Bernoulli’s theorem which states that the sum of pressure head, velocity head and the potential head is constant along a stream line for a steady, in viscid and incompressible flow of fluid. Measurement of fluid flow rate is important to the students of mechanical, chemical, civil and several other branches of engineering.

The Sci-tech Flow Meter Demonstration Apparatus Model FM 18 is a mobile bench top unit and has been designed to demonstrate the working of the venture meter, orifice plate and the turbine flow meter. The apparatus consists of a piping network with flow meters located suitably and instrumented with static pressure taps. Provision is made to calibrate and determine the co-efficient of discharge of venture meter and orifice plate. The turbine flow meter is used as a reference. The flow meters are calibrated by static pressure measurements using manometers and actual flow measurements using graduated measuring tank of the hydraulic bench. Wall pressure tapings are provided along the converging and diverging portions of the venture-meter to measure the static pressure distribution. Multi-tube manometer having a manifold with an air bleed valve is supplied to make static pressure measurements. The manometer is pressurized by a hand pump.

Water is supplied by a hose connection to the inlet and flow rate is varied by a valve at the outlet. The complete unit is manufactured from corrosion resistant materials. The FM100 Hydraulic Bench or any other standard hydraulic bench models can be used to supply water.

OPTIONS:

  1. Test Rig for Calibration of different flow meters:

The Test Rig can be used for calibrating different flowmeters like venture meter, orifice meter, rotameter etc. The flowmeter to be calibrated can be fitted to the apparatus. The apparatus will be have a master flow sensor with accuracy of +/-2% which can be used a reference for calibration of flowmeter.

Recommended options – 1st with differential pressure transmitter & other with conventional u tube manometer.

Technical Specifications

Specifications:

  1. Piping system, 25mm nominal bore, and stainless steel.
  2. Venturimeter, transparent, made of clear Acrylic and having convergent and divergent portions, throat diameter: 15mm, maximum diameter: 31.75mm, upstream taper: 210, downstream taper: 140. No. of static pressure taps: 7.
  3. Orifice plate, 20mm nominal diameter.
  4. Turbine flow meter, 2 – 20 liters/min, max. flow rate.
  5. Multi-tube manometer, 0-440 mm water column, No. of tubes: 8 with hand pump.

Options:

  1. Other types of water flow measuring devices such as (a) Sudden Enlargement, (b) Elbow (c) Variable Area Rotameter (d) Nozzle and (e) Pitot-tube with necessary pressure instrumentation can be included in the apparatus to suit the requirements of the user on request.

Additional attachment options:

  1. Vortex Flow Meter
  2. Ultrasonic Flow Meter

SPECIFICATIONS FOR FLOW METER CALIBRATION APPARATUS

Option 1: Apparatus with Turbine Type Flow Senor & Differential Pressure Transmitter

  • Flow Sensor: Type Turbine type flow sensor, MOC S.S.304, Accuracy:+/-2% FSD, Pressure: 10 kg/cm2, Temp:100C, with panel mount indicator
  • Differential Pressure Transmitter: Range 0-100 mm WC, Output 4-20 mA with panel mount indicator
  • Rotameter: Range: 200-2000 LPH
  • Venturimeter: Made in Acrylic, Inlet & Outlet diameter 25 mm, Throat Diameter 16 mm
  • Orificemeter: Made in Acrylic, Inlet & Outlet diameter 25 mm, Throat Diameter 15 mm
  • Sump Tank: 100 Ltrs, Made in PVC
  • Base Frame: Made in MS Square pipes & Sheet, welded, powder painted.
  • Piping: Non corrosive PVC Piping with unions to fit desired flow meter to be calibrated.

 

 

Option 2: Apparatus with Turbine Type Flow Senor & U Tube Manometer

  • Flow Sensor: Type Turbine type flow sensor, MOC S.S.304, Accuracy:+/-2% FSD, Pressure: 10 kg/cm2, Temp:100C, with panel mount indicator
  • U tube mercury manometer: Range 0-500 mm, monomeric fluid – Mercury
  • Rotameter: Range: 200-2000 LPH
  • Venturimeter: Made in Acrylic, Inlet & Outlet diameter 25 mm, Throat Diameter 16 mm
  • Orificemeter: Made in Acrylic, Inlet & Outlet diameter 25 mm, Throat Diameter 15 mm
  • Sump Tank: 100 Ltrs, Made in PVC
  • Base Frame: Made in MS Square pipes & Sheet, welded, powder painted.
  • Piping: Non corrosive PVC Piping with unions to fit desired flow meter to be calibrated.

 

2) ‘Sci-Cal’ Computer based learning software is included to enable students understand and conduct experiments, tabulate results and plot graphs. The Flow Meter Demonstration Apparatus is an important experimental setup for any Fluid Mechanics and Hydraulics Laboratory of an educational institution. The manual describing the theoretical and practical aspects of the apparatus, operation and maintenance, analysis of results and sample of results will be supplied with the equipment.

 

Experiments:

  1. Familiarization with static pressure measurements.
  2. Familiarization with flow measurement techniques.
  3. Determination of co-efficient of discharge of orifice plate.
  4. Determination of co-efficient of discharge of venturimeter.
  5. Demonstration of continuity equation.
  6. Demonstration of Bernoulli’s theorem.
  7. Study of static pressure variation along the venturi at different flow rates.
  8. Study of working and calibration of turbine flow meter.

 

Measurements:

  1. Static pressures along the venturimeter.
  2. Static pressures across orifice plate.
  3. Flow rate using turbine flow meter.
  4. Actual volume flow rate using Hydraulic Bench or graduated tank.

Model Number

FM 18

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