510(k) · Cleared
ClearedLong Well LW-6DXX Series Body Fat Analyzer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Long Well Electronics Corp. · MNW Analyzer, Body Composition
Cleared on Apr 21, 2003 as substantially equivalent to K011652 (Omron Healthcare, Inc., 2001) after a 90-day review. Its family tree reaches back 1 generation to 2001. 3 later devices descend from it.
- Decided
- Apr 21, 2003
- Review
- 90 days
- Class
- Class II
- Product code
- MNW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K011652 (2001). 3 later devices descend from it, 3 citing it directly.
- Root · 1 generation backK011652 Body Fat Analyzer, Model HBF-306Omron Healthcare, Inc. · 2001
- This deviceK030203 Long Well LW-6DXX Series Body Fat AnalyzerLong Well Electronics Corp. · 2003
- Descendant · cites it directly · 0 of its ownK060552 BC100 Body Composition Analysis SystemAthletic Iq, Inc. · 2006
- Descendant · cites it directly · 0 of its ownK052678 AQ-830 Slim Body, Body Fat MonitorLimax Electronics Co., Ltd. · 2005
- Descendant · cites it directly · 0 of its ownK043414 HL 188 & HL 189 Body Fat MeterHealth & Life Co., Ltd. · 2005
Most influential descendants
Showing 3 of 3 · See all- K060552BC100 Body Composition Analysis SystemAthletic Iq, Inc. · 2006 · cites it directly0descendants
- K052678AQ-830 Slim Body, Body Fat MonitorLimax Electronics Co., Ltd. · 2005 · cites it directly0descendants
- K043414HL 188 & HL 189 Body Fat MeterHealth & Life Co., Ltd. · 2005 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K011652 | Body Fat Analyzer, Model HBF-306 | Omron Healthcare, Inc. | 2001 | — |
| 0 (this device) | K030203 | Long Well LW-6DXX Series Body Fat Analyzer | Long Well Electronics Corp. | 2003 | — |
| +1 | K060552 | BC100 Body Composition Analysis System | Athletic Iq, Inc. | 2006 | — |
| +1 | K052678 | AQ-830 Slim Body, Body Fat Monitor | Limax Electronics Co., Ltd. | 2005 | — |
| +1 | K043414 | HL 188 & HL 189 Body Fat Meter | Health & Life Co., Ltd. | 2005 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in MNW? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new MNW device
- #1 K231116 Multi-parameter detectorscore 11.4 · 14 generations · no Class I recall
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K011652 | Body Fat Analyzer, Model HBF-306 | 2001 |
What descends from it? (3)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
How does its category compare?
All MNW devicesMNW Analyzer, Body Composition: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · MNW
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · MNW
110in 2014
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MNW
No recall names MNW since 2007.
Adverse event reports per year · MNW
3in 2024
MAUDE reports naming product code MNW, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 4 | 109 | 0 | 0 |
| 2008 | 4 | 134 | 0 | 0 |
| 2009 | 4 | 137 | 0 | 0 |
| 2010 | 1 | — | 0 | 1 |
| 2011 | 11 | 168 | 0 | 0 |
| 2012 | 4 | 103 | 0 | 0 |
| 2013 | 9 | 144 | 0 | 0 |
| 2014 | 3 | 110 | 0 | 0 |
| 2015 | 1 | — | 0 | 2 |
| 2016 | 0 | — | 0 | 15 |
| 2017 | 0 | — | 0 | 6 |
| 2018 | 0 | — | 0 | 16 |
| 2019 | 0 | — | 0 | 11 |
| 2020 | 0 | — | 0 | 12 |
| 2021 | 0 | — | 0 | 10 |
| 2022 | 0 | — | 0 | 8 |
| 2023 | 0 | — | 0 | 2 |
| 2024 | 1 | — | 0 | 3 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The device is a noninvasive bioimpeadance analyzer used to estimate body fat percentage in home use. The device is for normal, healthy person only, and the applicable age range is 10 to 80 years old.
The device is to be used in the ENVIRONMENT of room temperature & normal environment condition.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K030203 · printed Nov 3, 2026
Cite this page
510(k) Report. “K030203: Long Well LW-6DXX Series Body Fat Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K030203
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026