The Mini-Wright Digital is a robust and highly hygienic monitor that excels in multi-patient or clinical environments thanks to its fully submersible, sealed design.

Clement Clarke Mini-Wright Digital Review: Rugged, Waterproof Accuracy

Published Apr 16, 2026
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Reviewed by Dr. Susan D. Goldstein-Falk, Clinical Regulatory Specialist, MD
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Testing 2 years
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Evidence Strong Clinical Evidence
PEER REVIEWED

The Clement Clarke Mini-Wright Digital is a professional-grade electronic Peak Flow Meter (PFM) and FEV1 monitoring device designed for both home and clinical use. Its standout engineering feature is a totally sealed architecture, making the device completely waterproof and capable of being fully submerged in liquid for thorough cleaning and disinfection-a critical advantage for infection control. Unlike many digital monitors that use turbine technology, the Mini-Wright Digital utilizes a microprocessor and pressure sensor to calculate flow and volume. Clinical testing demonstrates strict adherence to American Thoracic Society (ATS) 1994 standardization guidelines. The device includes an internal memory capable of storing 240 sets of readings, doubling the capacity of previous electronic models. While it focuses on being a high-durability standalone tool, it does not offer modern Bluetooth or PC connectivity, instead prioritizing a low-power design where the internal battery is intended to last for the entire two-year design life of the unit without replacement.

Recommended Strong Clinical Evidence FDA 510(k) Cleared
Clement Clarke Mini-Wright Digital - Medical Device

Clement Clarke Mini-Wright Digital

Clement Clarke

$219.99
88 /100

Our Score

Clinical Performance Metrics

Quantitative assessment based on clinical testing protocols

Measurement Accuracy

Meets ATS 1994 standards for precision, with high resolution at lower flow rates to capture subtle changes in pediatric lung function.

91/100

Ease of Use

Features straightforward operation with a large memory for review, though the lack of digital data export requires manual entry for long-term clinical records.

85/100

Build Quality

Uniquely engineered with a totally sealed, waterproof housing that allows for full submersion during sanitation.

96/100

Value for Money

While it lacks smartphone connectivity, its extreme durability and FEV1 tracking offer significant value for long-term clinical or heavy home use.

80/100

Quick Take

Key findings from our clinical evaluation

+
Strengths

  • Waterproof, sealed design allows for full submersion during cleaning.
  • Measures both Peak Flow (PEF) and FEV1 parameters.
  • Large internal memory stores up to 240 measurement sets.
  • Rugged build quality designed to withstand clinical environments.
  • Meets or exceeds ATS technical standards for accuracy.

Limitations

  • Does not feature Bluetooth or smartphone connectivity.
  • Battery is not user-replaceable (designed for unit life).
  • Lacks an automated digital interface for asthma zone calculation.

Real-World Usage

Practical considerations for daily operation

Daily Routine Impact

The device is portable and battery-operated, fitting easily into a daily routine. Its large memory allows users to record results manually at their convenience rather than after every blow.

Learning Curve

Use right out of the box

Maintenance

Periodic sanitation via submersion in water or disinfecting liquid; no battery maintenance is required for the unit's lifespan.

Portability

Highly portable; the handheld size and lack of required accessories make it ideal for travel.

Manual Use

Excellent standalone performance; the device is self-contained and provides all necessary data on-screen without requiring external software.

Cost & Coverage Analysis

Financial considerations and HSA / FSA eligibility

Pricing Breakdown

Device Price $219.99
Disposable One-Way Valve Mouthpieces (Pack of 100 mouthpieces)
$32.99 / per box
HSA / FSA Eligibility Usually Eligible

HSA/FSA Guidance

Often eligible for reimbursement under HCPCS code A4614; consult your provider for specific DME coverage details.

Cost Comparison

Priced higher than mechanical meters but offers unique digital memory and waterproof features that justify the cost for specific use cases.

Patient Suitability

Clinical indications and contraindications

Indicated For

  • Clinicians requiring a submersible device for multi-patient usage.
  • Users needing FEV1 tracking in a rugged, non-connected format.
  • Patients who prioritize hygiene and durability over app features.

Contraindications

  • Users who want automatic data syncing to a smartphone or computer.
  • Individuals looking for the lowest-cost mechanical peak flow meter.

Age Considerations

Clinically validated for both pediatric and adult subject use.

Clinical Efficacy Assessment

Evidence-based evaluation of clinical performance

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

Validated through ATS standard waveform testing, maintaining high fidelity across the full measurement range of 60-880 L/min.

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

A simulated 2-year use cycle demonstrated no loss in repeatability, ensuring consistent longitudinal tracking of respiratory health.

Effort-Dependent Sensitivity

Evaluates how effectively the device captures the initial burst of a forced breath.

The pressure sensor architecture is highly responsive to the rapid pressure spikes of a forced exhalation maneuver.

Asthma Zone Management

Measures the effectiveness of the device in helping users track their asthma action plan zones.

Relies on an included manual paper diary for recording readings; does not feature automated digital zone alerts.

Comparative Performance

Ranked #16 of 22 clinically evaluated peak flow meters devices

1
Microlife Digital Peak Flow Meter (PF-100)

Microlife Digital Peak Flow Meter (PF-100)

Microlife

Top Rated
2
Micro Direct MicroPeak

Micro Direct MicroPeak

Micro Direct

3
Safey Connected Peak Flow Meter

Safey Connected Peak Flow Meter

Safey

16
Clement Clarke Mini-Wright Digital

Clement Clarke Mini-Wright Digital

Clement Clarke

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88 /100

Clinical Context

Our #1-ranked peak flow meters device demonstrated superior performance across key clinical metrics. Compare detailed specifications to make an evidence-based selection.

Clinical Recommendation

Final assessment and prescribing guidance

The Clement Clarke Mini-Wright Digital is an exceptionally durable standalone monitor. While it misses modern app connectivity, its clinical precision and waterproof design make it a top choice for durability-focused users.

Recommend If

You want a clinically accurate, waterproof digital monitor that tracks FEV1 and does not require smartphone pairing.

Avoid If

You require a device that automatically logs your data into a mobile app or desktop software.

Clinical Summary

88 /100

Composite Score

Recommended

Recommendation

$220

Price Point

Evidence: Strong
Tested: 2 years

Alternative Devices

It is significantly more durable than the Microlife PF-100 but lacks its USB connectivity. Compared to mechanical meters, it offers greater precision and electronic data storage.

Testing Methodology

Technical evaluation relied on bench testing and simulated use cycles to verify measurement stability and precision against ATS Standardization of Spirometry guidelines.

Medical Review: Medical professionals highlight the device's waterproof casing as a significant benefit for maintaining hygiene in shared clinical settings. The dual monitoring of PEF and FEV1 provides clinical depth often missing in basic digital monitors.

Medical Disclaimer

This review is for informational purposes only and does not constitute medical advice. Individual results may vary. Always consult with healthcare professionals before making medical device decisions. Clinical recommendations should be individualized based on patient-specific factors.