510(k) Report

510(k) · Cleared

Cleared

Electronic Thermometer (XHF2001, XHF2002)

K211352510(k) TraditionalCleared Sep 9, 2021129-day reviewClass II21 CFR 880.2910

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Putian Hanjiang Huafeng Plastic Co., Ltd. · FLL Continuous Measurement Thermometer

Cleared on Sep 9, 2021 as substantially equivalent to K202791 (Andon Health Co, Ltd., 2021) after a 129-day review. Its family tree reaches back 11 generations to 2001.

Decided
Sep 9, 2021
Review
129 days
Class
Class II
Product code
FLL
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K010462 (2001). 18 ancestors in all, the oldest K943695 (1995). No later device cites it as a predicate yet.

  1. Root · 11 generations backK010462 Avita Piccolo/Exato Infared Ear Thermometer (TS2 & TS4 Series)Avita Corporation · 2001
  2. 7 generations between
  3. 3 generations backK152975 VDT985US Vicks SmartTemp ThermometerKaz USA, Inc., A Helen of Troy Company · 2016
  4. 2 generations backK180131 Vicks RapidRead Digital ThermometerKaz USA, Inc., A Helen of Troy Company · 2018
  5. 1 generation backK202791 iHealth Clinical Digital ThermometerAndon Health Co, Ltd. · 2021
  6. This deviceK211352 Electronic Thermometer (XHF2001, XHF2002)Putian Hanjiang Huafeng Plastic Co., Ltd. · 2021
Show all 11 generations
  1. Root · 11 generations backK010462 Avita Piccolo/Exato Infared Ear Thermometer (TS2 & TS4 Series)Avita Corporation · 2001
  2. 10 generations backK031503 Avita TS8/TS9 Series IR Ear/Forehead ThermometerAvita Corporation · 2003
  3. 9 generations backK050463 Clever TD-1107 Ear/Skin/Surface IR Thermometer, Clever TD-1110…Taidoc Technology Corporation · 2005
  4. 8 generations backK062445 Monitoring Ear Thermometer, Model BTM-D1ARio Flexon Technology Co., Ltd. · 2007
  5. 7 generations backK081256 Wireless Body Temperature Monitor, Models BTM-Dic, D, E, F, G and HRio Flexon Technology Co., Ltd. · 2008
  6. 6 generations backK100226 Wireless Body Temperature Monitor Model BTM-Dix Series…Rio Flexon Technology Co., Ltd. · 2010
  7. 5 generations backK121696 Wireless ThermometerRaling Medical Company · 2012
  8. 4 generations backK132761 Wireless ThermometerRaiing Medical Company · 2014
  9. 3 generations backK152975 VDT985US Vicks SmartTemp ThermometerKaz USA, Inc., A Helen of Troy Company · 2016
  10. 2 generations backK180131 Vicks RapidRead Digital ThermometerKaz USA, Inc., A Helen of Troy Company · 2018
  11. 1 generation backK202791 iHealth Clinical Digital ThermometerAndon Health Co, Ltd. · 2021
  12. This deviceK211352 Electronic Thermometer (XHF2001, XHF2002)Putian Hanjiang Huafeng Plastic Co., Ltd. · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K010462Avita Piccolo/Exato Infared Ear Thermometer (TS2 & TS4 Series)Avita Corporation2001—
−10K031503Avita TS8/TS9 Series IR Ear/Forehead ThermometerAvita Corporation2003—
−9K050463Clever TD-1107 Ear/Skin/Surface IR Thermometer, Clever TD-1110…Taidoc Technology Corporation2005—
−8K062445Monitoring Ear Thermometer, Model BTM-D1ARio Flexon Technology Co., Ltd.2007—
−7K081256Wireless Body Temperature Monitor, Models BTM-Dic, D, E, F, G and HRio Flexon Technology Co., Ltd.2008—
−6K100226Wireless Body Temperature Monitor Model BTM-Dix Series (BTM-Dic,D,E,F,G & H)Rio Flexon Technology Co., Ltd.2010—
−5K121696Wireless ThermometerRaling Medical Company2012—
−4K132761Wireless ThermometerRaiing Medical Company2014—
−3K152975VDT985US Vicks SmartTemp ThermometerKaz USA, Inc., A Helen of Troy Company2016—
−2K180131Vicks RapidRead Digital ThermometerKaz USA, Inc., A Helen of Troy Company2018—
−1K202791iHealth Clinical Digital ThermometerAndon Health Co, Ltd.2021—
0 (this device)K211352Electronic Thermometer (XHF2001, XHF2002)Putian Hanjiang Huafeng Plastic Co., Ltd.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199910
200130
200310
200410
FIG. 1 — Lineage of K211352, 2001–2021Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 FLL? 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 FLL device

  1. #1 K191829 Microlife Non-Contact Infrared Forehead…score 26.7 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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.

TypeNumberDeviceApplicantDecidedRecalls
*K202791iHealth Clinical Digital Thermometer
Summary page 4
…: Class 2 Product Code: FLL Regulation Number: CFR 880.2910 Review Panel: General Hospital 5. Identification of Predicate Device(s) 510(k) Number: K202791 Product Name: iHealth Clinical Digital Thermometer 1 o…
Andon Health Co, Ltd.2021—

What descends from it?

No later submission names this one as a predicate yet.

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?

  • The line of descent spans 20 years and passes through 8 companies; a new generation was cleared every 1.8 years on median.
  • None of the 18 ancestors has a recall.

How does its category compare?

All FLL devices

FLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · FLL

6in 2025

2007: 152008: 142009: 132010: 242011: 202012: 172013: 142014: 72015: 32016: 222017: 162018: 352019: 222020: 212021: 432022: 242023: 172024: 132025: 62026 (partial year): 2
2007high 43 (2021) · low 3 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FLL

131in 2025

2007: 81 days median2008: 59 days median2009: 84 days median2010: 88 days median2011: 113 days median2012: 126 days median2013: 149 days median2014: 199 days median2015: 270 days median2016: 157 days median2017: 174 days median2018: 209 days median2019: 198 days median2020: 194 days median2021: 218 days median2022: 218 days median2023: 295 days median2024: 223 days median2025: 131 days median
2007high 295 (2023) · low 59 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · FLL

1in 2025

2011: 12015: 12017: 22018: 12019: 52025: 12026 (partial year): 1
2007high 5 (2019) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · FLL

73in 2025

2007: 42008: 132009: 92010: 92011: 182012: 262013: 162014: 542015: 532016: 582017: 1182018: 512019: 522020: 532021: 1152022: 1422023: 1012024: 1182025: 73
2007high 142 (2022) · low 4 (2007)2025

MAUDE reports naming product code FLL, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007158104
20081459013
2009138409
2010248809
201120113118
201217126026
201314149016
20147199054
20153270153
201622157058
2017161742118
201835209151
201922198552
202021194053
2021432180115
2022242180142
2023172950101
2024132230118
20256131173
20262—1—

What is it indicated for?

The Electronic Thermometer (XHF2001, XHF2002) is intended to measure the body temperature under the arm and to be

used by consumers in household environments for the people of one month of age and above.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K211352: Electronic Thermometer (XHF2001, XHF2002).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K211352

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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