MicroLoop Spirometer

The MicroLoop spirometer is highly portable and beautifully designed, the new generation MicroLoop has been developed for the professional. Employing a precision GOLD STANDARD Digital Volume Transducer, it is especially suited to measuring low flow rates in patients with COPD and asthma.

It has a high-resolution colour touch-screen where features can be easily accessed. The MicroLoop has a desk-top docking station which makes battery charging, connection to a PC, the uploading of data and the printing of results to external printer quick and simple.


Fully compliant to ATS/ERS 2005 Standard (12)

  • High definition colour touch-screen
  • Fast on-screen textual entry enabling comments and report writing
  • Fully customisable printout format
  • Desktop docking station for battery charging and PC/Printer connection
  • Direct connection to external Hewlett Packard printers
  • Unique contextual Help Screens (language selectable) with dedicated Help Button
  • 41 inspiratory and expiratory indices measurable
  • On-screen graphical child incentive device
  • Large 2000+ patient test memory
  • Optional Spida 5 or SpidaXpert PC software
  • Internationally recognised on-screen test quality assurance prompts (e.g. slow start, abrupt end etc) ensuring quality test results
  • Unique 'today's testing feature' - creating a list of patients tested or to be tested
  • Numerous predicted values and languages selectable
  • 'Lung Age' assessment and textual result interpretation by ATS (9), BTS-NICE (10) or Enright (11)
  • Body Mass Index and Dyspnoea Score
  • Bronchodilator and/or Steroid assessment
  • Complete with all accessories in a sturdy carry case



Forced - VC, FEV.75, FEV1, FEV3, FEV6, FVC, PEF, FEV.75/VC, FEV.75/FVC, FEV1/VC, FEV1/FVC (FER), FEV3/VC, FEV3/FVC, FEV.75/FEV6, FEV1/FEV6, FEF25 (MEF75), FEF50 (MEF50), FEF75 (MEF25), FEF25-75 (MMEF), FEF50/VC, FEF50/FVC, MMEF/FVC (FEF25-75/FVC), FIV1, FIVC, PIF, FIV1/FIVC (FIR), FIF25 (MIF75), FIF50 (MIF50), FIF75 (MIF25), R50 (FEF50/FIF50), MET25-75, FET, MVV (ind)

Relaxed - EVC, IVC, IC, VT (TV), Ti, Te, Ti/Ttot, VT/Ti (TV/Ti), IRV, ERV, FR.

Test per subject

5 relaxed VC manoeuvres and 8 forced manoeuvres for each baseline and two post examinations

Predicted values

Various - depends upon national preference (including NHANESIII)


Gold Standard Bi-Directional Digital Volume


10ml volume 0.025l/s flow


± 3% (to ATS recommendations)


2,000+ patients with tests including Flow/Volume loops and Volume/Time curves

Power supplier

Input: 100-240V AC 50-60Hz  Output: 5V 2.0A

Battery pack

Rechargeable Lithium Polymer 3.7V 1600AH


123 h x 81 w x 23 d mm Transducer 60h x 90w x 50d mm


Excluding and transducers: MicroLoop unit 191g, Docking Station 124g


0 to +40°C

Operating humidity

30% to 90% non-condensing

Storage temperature

-20°C to +70°C

Storage humidity

10% to 90% RH

This MicroLoop Spirometer is available for rental/hire for your clinical trial or is available on a purchase basis. They can be ordered with any other clinical trial, medical or laboratory equipment to create the most effective equipment management solution for your study.