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Microlife Digital Peak Flow Meter with FEV1 & Tracking Software | Reliable & Accurate Respiratory Spirometer for Kids & Adults | Perfect for Home Monitoring Asthma, COPD & Other Lung Conditions

4.2 4.2 out of 5 stars 1,372 ratings

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Purchase options and add-ons

  • 240 Memories for Children & Adults with Date & Time stamp
  • Peak Flow and FEV1 monitoring for asthma, COPD & other lung diseases
  • Meets American Thoracic Society Standards
  • Stop Light Risk Indicator, Tracking & Analysis software
  • 3 Washable Mouthpieces and Washable Wind Tube - The wind-tube and mouth-pieces are removable for easier cleaning, reconnect fully and blow to take measurements

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 7.5 x 5.5 x 4 inches; 15.2 ounces
  • Item model number ‏ : ‎ PF 100
  • Batteries ‏ : ‎ 2 AAA batteries required. (included)
  • Date First Available ‏ : ‎ September 16, 2005
  • Manufacturer ‏ : ‎ Microlife
  • ASIN ‏ : ‎ B000BH8TUA
  • Customer Reviews:
    4.2 4.2 out of 5 stars 1,372 ratings

Product Description

Microlife Peak flow and FEV1 Meter

The Microlife Digital Peak Flow Meter with FEV1 is the doctor's choice for managing diseases that restrict lung performance. This advanced meter for spirometry includes a digital diary and measures air flow velocity and volume (FEV1) to indicate early warning signs for impending asthmatic incidents or conditions. Using these measurements in conjunction with a doctor's consultation allows patients with asthma, COPD and other lung diseases to manage their condition.

What is PEF: PEF is Peak Expiratory Flow, or in other words measures how fast you can push air out of your lungs.

What is FEV: FEV is Forced Expiratory Volume, or in other words measures how much air a person can exhale during a forced breath.

Who should use the peak flow and FEV1 digital meter

Superior digital accuracy

Memory: Automatically stores 240 readings

Peak Flow and FEV1 Tracking and Analysis Software

Who should use this meter?

  • Asthmatics
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Other Respiratory Problems
  • Athletes

Superior digital accuracy

Accuracy: Superior to mechanical methods, digital peak flow meters provide an exact reading, avoiding any accidental mistakes.

The meter measures the flow rate at one hundredths of a liter per minute, and the results are automatically recorded. Consistent and accurate readings will improve your ability to accurately assess your condition.

Memory: Automatically stores 240 readings

The highest reading from each session is automatically stored, allowing you to test multiple times and record your best result.

Reports show that patients who measure and record their readings are better able to monitor and manage their conditions.

Peak Flow and FEV1 tracking software

Connect your meter to your PC and automatically download your readings.

With the user friendly analysis software, you can:

  • chart your progress
  • print graphs
  • make notes about your symptoms or triggers
  • export your results to a spreadsheet
  • share your result with your health care provider

Use & Care

Peak Flow meter directions

Peak Flow incident risk indicator

Peak Flow PF100 cleaning

How to take a measurement

Step 1: Standing up, hold the peak flow meter as shown with both hands.

Step 2: Take a deep breath and blow into the mouthpiece as hard as you can for as long as possible.

Step 3: As you exhale, bend forward as shown to push all the air from your lungs.

Step 4: Measure your peak flow rate twice daily and close to the same time each day.

Complete instructions in English/Spanish included.

How does the risk indicator work?

Whether you are using national standards, or your own customized numbers, the green, yellow and red bars on the display are a quick visual reference to show how your results compare.

As your peak flow raises or lowers, the arrow on the display will show the measurement as within the normal (green), borderline (yellow) or in the danger (red) range.

What do the colors mean?

  • Green = 80% or higher than your personal best
  • Yellow = 60 - 79% of your personal best
  • Red = 50 - 59% of your personal best

How do I clean my monitor?

Simply separate the mouthpiece and measuring tube from the meter, then clean the parts with soap & warm water. Air dry.

Removable mouthpiece

Designed for all ages, this monitor comes with 3 color coded mouthpieces. Use them to monitor yourself and your child, or rotate them between uses for cleaning.

Specifications

Peak Flow readings: Accuracy ± 25 l/min or 12% of the reading, whichever is greater
Peak Flow readings: Range ± 0.1 or 50 to 900 l/min.
FEV1 readings: Accuracy ± 0.1 or ± 5% of the reading, whichever is greater
FEV1 readings: Range 0.01 to 9.99
Measurement duration Measures after blowing as a hard/fast as possible into tube, 3 measurements are recommended for best results
Memory Stores 240 readings
Incident risk indicator Default: The readings are programmed to correspond to 80/60/50% of one's personal best measurement. Customized: Values can be programmed into PEF1 with Windows software for a personalized result.
Electronically independent No phone or connection to the cloud needed, no security concerns about sharing medical data
Cleaning Clean breathing tube and mouthpiece with soap & warm water. Air dry.
Lightweight Will fit into a purse. At 5.3 oz, the meter weighs about as much as a medium apple.

Box Contents:

  • Digital Peak Flow & FEV1 Meter
  • 3 Washable Mouthpieces
  • Tracking and Analysis Software
  • USB Cable
  • Deluxe Storage Case
  • Instruction Booklet in English /Spanish
  • 2 AAA Batteries
  • 15 Traffic Light Risk Indicator Cards

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What's in the box

  • Peak Flow Meter, Instruction Manual, Storage Case, 3 Mouth Pieces
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.2 out of 5 stars
    4.2 out of 5
    1,372 global ratings

    Customers say

    Customers like the quality, portability, and accuracy of the professional healthcare meter. They mention that it stores readings for future reference, and is compact enough for a jacket pocket. They are also happy with asthma management, and ease of use. However, some customers disagree on appearance, and value.

    AI-generated from the text of customer reviews

    156 customers mention109 positive47 negative

    Customers are mixed about the value of the product. Some mention that it works well, is consistent, and is worth the buy. However, others say that it is worthless, not practical, and a waste of time and money.

    "...to find consumer medical products that are so well designed and operate well too. Microlife truly scored "11" out of 10 on this one." Read more

    "Love this item! Does the job and stores the results for future reference." Read more

    "...The software needs some improvement, though...." Read more

    "Works as it should, comes with a case and 3 different colored washable mouth pieces so family can share without sharing germs." Read more

    99 customers mention78 positive21 negative

    Customers find the product easy to use. They mention the directions are easy, the monitor is simple, and it gives a clear reading of lung function. Some say that it's easy enough to use regularly and that it works super easy. Overall, most are satisfied with the ease of use and recommend it to others.

    "...Comes with two AAA batteries too. Easy to install. Setting up time is easy too...." Read more

    "...This peak flow meter is easy to use and accurate...." Read more

    "...any other peak flow meter (manual or the Piko-1) just because it's easy to use...." Read more

    "I am a tech oriented person and this was difficult for me to get to work...." Read more

    71 customers mention52 positive19 negative

    Customers like the quality of the meter. They say it's reliable, accurate, and useful in monitoring their condition. Customers also say it has a solid construction and is much more substantial than expected. They also say the spirometer is the best they have had and is helpful in measuring FEV1 post transplant.

    "...It comes with a nice heavy duty cloth carry case w/ 2 zippered compartments: one for the manual and paper medical records, extra mouth pieces..." Read more

    "...The software needs some improvement, though. I like that it shows the results, but it should also have a LIST of the values with dates/times..." Read more

    "...This is too inaccurate to be trusted and was returned" Read more

    "...The carry case is well-made, keeping the peak flow meter safe from damage, and the extra mouthpieces allow you to either clean the others while you..." Read more

    60 customers mention47 positive13 negative

    Customers like the accuracy of the product. For example, they mention it's reliable, and gives a clear reading of lung function. Some are happy with the repeatability of results, and say it'll give a reasonable reading.

    "...This peak flow meter is easy to use and accurate...." Read more

    "...The straight vertical angle of this peak flow meter makes it much more accurate. It also stores many more ratings than the Piko-1...." Read more

    "Checked against my doctor's office and this unit is accurate...." Read more

    "...I had my pulmonary breathing tests at the hospital and Its accuracy is questionable...." Read more

    31 customers mention31 positive0 negative

    Customers find the product very helpful, handy, and small. They say it's a great little tool for anyone who has asthma and a life saver. Customers also say it works great and helps them keep better track of their breathing.

    "...shows total flow after 1 second and peak flow, but this is enough to monitor your asthma...." Read more

    "...in front of me really lets me know when I need to be concerned, very helpful." Read more

    "...The product *looks* nice. The case seems practical and includes space for accessories, none of which I can use, because I can't set the time,..." Read more

    "...I use this meter religiously once a day and feel that my asthma is now well managed...." Read more

    23 customers mention18 positive5 negative

    Customers like the reading storage of the professional healthcare product. They say it stores lots of information to show to their doctor, provides piece of mind, and helps parcel out the subtleties. Some mention that the device is a little pricey, but it provides piece-of-mind.

    "Love this item! Does the job and stores the results for future reference." Read more

    "...This peak flow meter is easy to use and accurate. It stores all your results (the highest reading per session) and you can view them on the device..." Read more

    "...It also stores many more ratings than the Piko-1...." Read more

    "...But the meter also started to keep all 3 values so when the data was downloaded every "blow" was recorded rather than the highest for each set of..." Read more

    21 customers mention16 positive5 negative

    Customers like the size of the professional healthcare product. They say it is small, portable, and compact enough for a jacket pocket. They also say it works fine, is easy to carry and use, and is practical. Customers also mention that the product is easy clean and store.

    "...is not as good as the spirometry units pulmonologists have, this unit is portable, and can be used anywhere...." Read more

    "...Still compact enough for a jacket pocket.After you set the date and time it is easy to use and is very well thought out...." Read more

    "...It works fine, is small and easy to pack for trips, and has been trouble free...." Read more

    "Why not 5 stars? It is larger than the description implied. Measuring out the space might have given me a better idea on size...." Read more

    25 customers mention15 positive10 negative

    Customers are mixed about the appearance of the professional healthcare product. Some mention it has a great design, while others say it has an old design and poor mechanical design.

    "...It's hard to find consumer medical products that are so well designed and operate well too. Microlife truly scored "11" out of 10 on this one." Read more

    "...Very poor design. It should keep the data on BOTH device and computer, and allow you the option to erase/clear it all off if you want to...." Read more

    "...it looks good and has a nice soft case though." Read more

    "...It's too bad this unit does not have a better mechanical design...." Read more

    Useful for tracking lung function with lung diseases.
    4 Stars
    Useful for tracking lung function with lung diseases.
    I ordered this peak flow meter more for the fev1 aspect of it so I can try track my lung function at home in between doctor visits. I've only used it a few times now, but so far it does seem pretty accurate in fev1 terms.. I had a recent pft done a few days ago and this meter when I used it, was only a few points below what I blew at clinic. I can't really say how useful this would be if you're someone having a flare but if you're like me and looking to track your lung function at home due to cystic fibrosis, copd or other lung diseases then it is very handy! It also came with extra mouth pieces, a USB cord to plug it into a computer and a cute little carrying case.
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    Top reviews from other countries

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    Entrenador
    5.0 out of 5 stars Práctico
    Reviewed in Spain on February 25, 2024
    marco59
    5.0 out of 5 stars parfait
    Reviewed in France on May 18, 2023
    One person found this helpful
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    Erne
    5.0 out of 5 stars Utilissimo
    Reviewed in Italy on February 28, 2023
    Steven Herrell
    5.0 out of 5 stars Super Service.
    Reviewed in Germany on January 10, 2021
    One person found this helpful
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    George
    5.0 out of 5 stars Impressed with device, software lacking somewhat for 2020
    Reviewed in the United Kingdom on June 1, 2020
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    George
    5.0 out of 5 stars Impressed with device, software lacking somewhat for 2020
    Reviewed in the United Kingdom on June 1, 2020
    I'm very impressed with the device, it looks and feels to be good quality and is of good accuracy when taking readings. It comes with a two-tier zip case, USB cable for connecting to a laptop or PC, instruction manual, quick start guide and a spare mouthpiece.

    If you've used a PEF device before you will know how it works - the result is instant on the screen and shows firstly the PEF then after a few seconds the FEV1.

    You can record the results on your computer by either downloading the software from the Microlife website (easiest way) or using the disk that comes with the device.

    The setting up of the software is a bit fiddly, but once you play with it for 10 mins and get a hang of the dated interface it's fine.

    It DOES need an update, it's 2020 and the software is initially compatible with Windows 8... I can, however, confirm that it works on Windows 10 if anything a little laggy.

    You can add multiple users to the device and to the software so both you and your partner/family can use the device.

    They could increase the sales by updating the software and creating compatibility with macOS too, the device itself is fine.

    In summary, I'd recommend it - just be ready to have patience setting up the software.
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    5 people found this helpful
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