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4000 Series Analog and Digital Flow Meters

Thermal mass flow meters designed for gas flow measurement

Thermal mass flow meters designed for gas flow measurement

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Description

Whether measuring gas flows in a laboratory or manufacturing setting, TSI thermal mass flow meters provide accurate results with multiple data output options.

The TSI 4000 Series inline flow meters were designed for ultra-low pressure loss to minimize flow circuit back pressure and its impact on the system. The meters include digital and analog outputs for flow rate, absolute pressure, and temperature. Volume measurements can be made through the RS232 digital interface.

TSI flow meters incorporate a proprietary platinum film sensor designed for measuring gas flows. This enables their use in applications that demand fast response and high accuracy over a wide flow range.

Use our interactive product selector to find the meter that is right for your application!

Features and Benefits

  • Accuracy of 2% of reading (not full scale)
  • High turndown ratio
  • Multi-gas, user-selectable
  • 4 ms response to changes in flow
  • Ultra-low pressure drop
  • RS 232 interface for digital outputs and configurable device options
  • Voltage output of flow rate
  • Measure flow rate, temperature, and pressure (display unit only) in one instrument
  • Built-in temperature and pressure compensation
  • NIST-traceable calibration certificate included with purchase

 

SPECIFICATION

 

Model Selection Guide

Flow Meter Model Range Connection Tube Size Calibration
4040 0-300 L/min 22 mm ISO Air, O2, N2
4045 0-300 L/min 3/4 inch tube Air, O2, N2
40401 0-300 L/min 22mm ISO Air
4043 0-200 L/min 1/2 inch tube Air, O2, N2
41401 0.01-20 L/min 1/4 inch tube Air
4140 0.01-20 L/min 1/4 inch tube Air, O2, N2
4143 0.01-20 L/min 3/8 inch tube Air, O2, N2
41403 0.01-20 L/min 1/4 inch tube N2O, Air, O2, N2
41433 0.01-20 L/min 3/8 inch tube N2O, Air, O2, N2