Available for rental, lease or purchase


This spirometer is developed specifically for the professional; it employs a precision Gold Standard Digital Volume Transducer which is especially suited to measuring very low flow rates in patients with COPD. The unit is highly portable and lightweight, and is ideal for use in a wide variety of situations.

With an in-built printer and high resolution LCD display it is the ideal, cost-effective solution to your spirometry requirements.  

Select downloads




  • High definition screen can display both Volume/Time and complete Flow/Volume Loops (using either the open or closed loop test techniques)
  • Measures up to 36 spirometry parameters
  • Storage: 1000 patient tests
  • Integrated high resolution printer
  • Text entry, enabling comment writing
  • Internationally recognised on-screen test quality assurance prompts
  • Predicted value and language selection
  • Fully customisable printout format
  • Lung age assessment and textual result interpretation
  • A comprehensive range of advanced features normally only seen on more expensive laboratory based equipment are included
  • An ergonomically designed unit of distinctive appearance, this spirometer is portable and lightweight
  • Rechargeable internal batteries


Model no. ML3500
Measurements: VC, FEV0.75, FEV1, FEV3, FEV6, FVC, PEF FEV0.75/VC, FEV0.75/FVC, FEV1/VC, FEV1/FVC, FEV3/VC, FEV3/FVC, FEV0.75/FEV6, FEV1/FEV6, MEF75, MEF50, MEF25, MEF25-75, FEF50/VC, FEF50FVC, MVVind, FET, MET, IC, FIV1, FIVC, PIF, FIV1,/FIVC, FIF25, FIF50, FIF75, FIF50/MEF50,VT, ERV, IRV [all expiratory measurements with baseline, post bronchodilator 1 and 2, % predicted, % change and normal range]
Test per subject: VC-unlimited (best reported) FVC-unlimited (best 3 from baseline, post 1 and post 2 tests)
Predicted values: Various - depends upon national preference
Transducer: Gold Standard Bi-Directional Digital Volume
Resolution: 10ml volume 0.03l/s flow
Accuracy: 3% (to ATS recommendations)
Storage: 1000 patients' tests including Flow/Volume loops and Volume/Time curves
Printer output: 320 dot internal thermal printer, or serial output for all IBM Proprinter compatible Canon bubble jet printers e.g. BJC250, BJC4400, BJC80 and BJC50, and all PLC3 compatible Hewlett Packard printers e.g. Deskjet 420, 695, 340, 880C and 895Cxi
Display: High resolution graphic LCD 240 x 160 pixels
Power supplier: 100 - 240V 0.3A 47 - 63Hz. DC output 9V 0.8A
Battery pack: Rechargeable NiCad 7.2V 600mA/hours
Dimensions: 150h x 251w x 40d mm. Transducer 50 x 60 x 90mm
Weight: Unit weight 0.75kg. Packed weight 2.55kg
Temperature: 0 to 40°C
Operating humidity: 30% to 90% RH
Storage temperature: 0 to 70°C
Storage humidity: 10% to 90% RH


Our range of Spirometry Equipment is available on a rental/hire, sale, purchase or equipment management basis - please use the links at the top of the page to request a quotation

This MicroLab spirometer can be ordered with any other clinical trial, medical or laboratory equipment to create the most effective equipment management solution for your study.

Other product categories

Show more categories

Contact Woodley Trial Solutions

Looking for a different product area? We can help.

Our experienced team will source equipment to meet your specification.
Please contact us if you can’t find what you’re looking for.