SKU: SENS-0587
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TT Electronics FNGVS221-ASS-E Flow Meter, 100mm Scale, ±1.25% Accuracy, 10-90 L/h Range, 1/4” BSPP Connection

₹37,859.00 (Inclusive of all taxes)
Out of Stock

The TT Electronics FNGVS221-ASS-E is a precision glass variable area flowmeter with a 100mm scale, designed for accurate water flow measurement in industrial process control, laboratory, and fluid monitoring systems.

Features

  • High measurement accuracy of ±1.25% Full Scale Deflection (FSD).
  • Wide flow measurement range from 10 to 90 liters per hour (L/h).
  • Robust construction with stainless steel end blocks and Viton O-ring seals for leak-proof performance.
  • Integrated needle valve for precise manual flow control and adjustment.
  • High-visibility 100mm scale with a rotating float for clear, real-time monitoring.

Out of stock

Description

The FNGVS221-ASS-E operates on the variable area (rotameter) principle, where a float rises within a tapered glass tube proportionally to the flow rate. The 100mm graduated scale provides direct visual readout of the flow. The built-in needle valve allows operators to finely tune the flow to a desired setpoint, making it ideal for controlled processes.

Engineered for industrial durability, the flowmeter features a stainless steel end block construction and Viton O-ring seals, ensuring reliable sealing and resistance to common fluids. Safety features include a UV-stabilized polycarbonate cover and a rear blow-out safety vent. Its panel-mount design facilitates easy integration into control panels and instrumentation racks.

Key Features

  • Precision-engineered glass tube and float assembly for accurate, repeatable flow indication.
  • Durable stainless steel end blocks provide structural integrity and corrosion resistance.
  • Viton O-ring seals ensure a reliable, leak-proof seal across the specified operating range.
  • Integrated fine-adjustment needle valve enables precise manual flow control.
  • High-visibility 100mm scale with a rotating float offers excellent readability from a distance.
  • UV-stabilized safety cover protects the glass tube from impact and UV degradation.
  • Rear blow-out safety vent enhances operator safety in the event of overpressure.
  • Panel-mount design with 1/4” BSPP threads for straightforward industrial installation.

Applications

  • Industrial process control for monitoring and controlling water flow in chemical dosing, cooling, or rinse systems.
  • Laboratory equipment for precise flow measurement and regulation in analytical instruments and pilot plants.
  • Fluid monitoring systems in water treatment, HVAC, and agricultural irrigation applications.
  • Panel-mounted instrumentation for machine tool coolant flow verification and control.
  • General-purpose flow indication and manual control in educational and prototyping fluidic setups.

Technical Specifications

Manufacturer Part NumberFNGVS221-ASS-E
Model SeriesFNG Series
Item TypeFlow Meter (Variable Area / Rotameter)
Measurement Accuracy±1.25% FSD
Flow Range10 – 90 L/h
Connection Type1/4” BSPP
Scale Length / Visibility100mm, High Visibility
Mounting StylePanel Mount
Primary Housing MaterialStainless Steel End Blocks
Sealing MaterialViton O-Rings
Safety FeaturesUV-Stabilized Cover, Rear Blow-Out Vent
Float DesignRotating Float
Length (mm)150
Width (mm)60
Weight (g)450

Frequently Asked Questions

What type of fluid is the FNGVS221-ASS-E flow meter designed for?

This flow meter is primarily designed for measuring the flow of water in industrial and laboratory applications. Its construction with glass, stainless steel, and Viton seals is compatible with many common, non-aggressive fluids. Always verify chemical compatibility for specific fluids outside of clean water.

How do I install and connect the FNGVS221-ASS-E flow meter?

The meter features a panel-mount design and 1/4” British Standard Pipe Parallel (BSPP) female threads. Install it vertically in the flow line, ensuring flow direction matches the arrow indicator on the body. Use appropriate thread sealant (not on the BSPP parallel threads' sealing washer face) and secure it to a panel using the integrated mounting flange.

How does the integrated needle valve work for flow control?

The built-in needle valve allows for precise manual adjustment of the flow rate downstream of the meter. By turning the valve knob, you can finely restrict or open the flow passage, enabling you to set and maintain a specific flow rate as indicated on the 100mm scale, ideal for process control applications.

What is the meaning of the ±1.25% FSD accuracy specification?

The accuracy of ±1.25% Full Scale Deflection (FSD) means the maximum error in the reading is 1.25% of the meter's full-scale value (90 L/h). Therefore, at any point in the range, the actual flow rate is within ±1.125 L/h (1.25% of 90 L/h) of the value indicated on the scale.

Package Includes

  • 1 x TT Electronics FNGVS221-ASS-E Flow Meter

Additional Information

Weight 0.45 kg
Dimensions 15 × 6 cm