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TSI
Mass Flowmeters for Gases

Mass Flowmeters for Gases

Product catalog summary

Overview
TSI thermal mass flowmeters are designed for measuring gas flows with high accuracy and fast response. They integrate flow, pressure, and temperature measurements into a single instrument, suitable for applications requiring precise control and minimal pressure loss.

Key Features

4 millisecond flow response time.
High accuracy of ±2% of reading.
High turndown ratio and low pressure drop.
Analog and digital outputs for flow rate, volume, pressure, and temperature.
Built-in temperature and pressure compensation.
NIST-traceable calibration certificate included.

RS232 Interface and Configurations

Configurable analog output zero and scaling.
Set trigger levels for volume measurement and update rates for displays.
Select gas calibration and flow measurement units.

Industries and Applications

Medical: Ventilators, Anesthesia, CPAP.
Environmental, Analytical, Aerosol Science.
Product Development, Manufacturing, Research, Field Service, Quality Assurance.

Performance and Accuracy

Fast response ensures accuracy in fluctuating flows, ideal for closed-loop systems.
Specified accuracy of ±2% of reading, providing dependable accuracy over a wide range of flow rates.
Low pressure drop minimizes impact on the system under test.

Specifications

Flow Measurement Range: 0.01-20 Std L/min to 0-300 Std L/min depending on model.
Accuracy varies by gas type, with ±2% for Air and O2, and ±3% for N2 and N2O.
Pressure Measurement Range: 50-199 kPa absolute with ±1 kPa accuracy.
Temperature Measurement Range: 0-50°C with ±1°C accuracy.

Accessories

Power supplies for different regions, computer and analog cables, RS232 manual, and operator’s manuals.
Optional battery pack/stand and carrying case available.

Catalog excerpts

UNDERSTANDING, ACCELERATED

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MEASURE FLOW, PRESSURE, AND TEMPERATURE… ALL IN ONE INSTRUMENT! Designed for Performance TSI thermal mass flowmeters incorporate a proprietary platinum film + 4 millisecond flow response sensor design for measuring gas flows in applications demanding fast + High accuracy ±2% of reading response and high accuracy over a wide flow range. TSI flowmeters have + High turndown ratio turn-down ratios greater than 1000:1 due to our thermal flow sensing technology and extensive gas calibration process. The TSI 4000 Series + Convenient analog output of flow rate was designed for ultra-low pressure loss...

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*Supplied through RS232 port only. Specifications subject to change without notice. See Operator's Manual for full listing. TSI, and the TSI logo are registered trademarks of TSI Incorporated. TSI Incorporated - Visit our website www.tsi.com for more information.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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