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VT650 Gas Flow Analyzer

Designed for accuracy and portability, the Fluke VT650 Gas Flow Analyzer is a high quality, basic needs gas flow analyzer. Accurately test gas flow equipment including ventilators with the all-in-one, portable Fluke Biomedical VT650 Gas Flow Analyzer.

Key Features

  • Avoid confusion and ensure accuracy with one-channel full range air flow functionality
  • Streamline your testing procedure reduce errors and quicken your test time with the ability to create customized test profiles
  • Reduce testing time with built-in line sensors which automatically test humidity temperature and oxygen while compensating for atmospheric pressure and environmental conditions
  • Easily transport and store the lightweight (3.64 lb/1.6 kg) all-in-one device – no extra modules for different tests
  • Quickly access menu options interpret results and see measurements at a distance up to 6’ (1.8 m) with the large easy-to-read 7 (17.8 cm) color touch screen
  • Operate on-the-go all day with 8 hours of battery life
  • The on-board memory allows you to record and save data

Accurate, Easy-to-use, Traceable, Portable


The  VT650 Gas Flow  Analyzer offers high accuracy and reliability for gas flow and respiratory medical equipment, including neonatal, mechanical and high-frequency ventilators. The single, full  range ±300 lpm air flow channel offers built-in oxygen, temperature and humidity measurements to streamline your testing procedure. Designed and tested to world renown Molbloc-L calibration specifications ensures traceability to global regulatory standards with measurements you can rely on.


Everything you need to perform tests is included in the VT650 – no extra modules or components are required. Weighing only 3.6 lb (1.6 kg), this compact, all-in-one device is highly portable. The snap-in carrying handle/shoulder strap, small unit size, and rugged design allows you to quickly and easily test on-the-go. With AC and DC power options and an 8-hour battery life, this tester is perfect for both clinical and field environments where AC power may not be available, but high accuracy is needed.


The VT650 has a large 7 (17.8 cm) touchscreen display, allowing you to view multiple measurements at once and quickly access menu options. Review results in real-time with either color graphs or numerical data. The global user interface makes operating this device straightforward and uncomplicated.


The large onboard memory allows testing of multiple medical devices back-to-back without having to transfer data off between tests. Record and store test data, save time and streamline your testing needs by creating customized test profiles. When you are finished with your testing, simply save and transfer the data via USB to a PC and upload the test file to your CMMS for easy documenting and reporting.

Includes the following:

  • Certificate of Calibration with test data
  • Carrying case
  • Carrying handle and shoulder strap
  • USB serial cable
  • Tilt stand
  • AC power adapter
  • Bacterial filter
  • 1.2 m (4 ft) silicon tubing (2)
  • 22 mm ID x 22 mm ID tubing adapters (2)
  • 22 mm OD x 22 mm OD tubing adapters (2)
  • Tapered 15 mm OD x 33 mm OD tubing adapters (2)
  • Flexible 15 mm ID x 22 mm ID tubing adapters (2)
  • DISS hand tight nut/nipple to 6.4 mm (1/4 in ) ID hose barb adapter (1)


VT650 GAS FLOW ANALYZER (Part #4920340)

Datasheet Click to download

Request a quote or demo

ultra type portable-oscilloscopes