# K123839: WA Series: WA100; WA200; WD100; WE100, WF100; WB200

- Pathway: 510(k) (Special)
- Applicant: Ningbo Diaier Electronic Co., Ltd.
- Decided: Jan 11, 2013 after 29 days
- Product code: DXN (System, Measurement, Blood-Pressure, Non-Invasive)
- Device class: 2
- Regulation: 21 CFR 870.1130
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K903134 (1991). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K091553: Blood Pressure Monitor, Model WA400 for Wrist Type and Model AA300 for Upper Arm Type, Ningbo Diaier Electronic Co., Ltd. (2009) Summary page 2.

## Indications for use
WAl OOMVA200IWA300MBV1 00/WB200/WD1 00/WEI OOJWF1 00 blood pressure monitor measures automatically human being systolic, diastolic brood pressure and heart beat rate from wrist by using the Oscillomneric method for the individual of the age over 18 years old. The measurement values can be read out on the LCD panel and kept in the memory for home care use (without the involvement of professional physician) UAM1 OOIAA200/ABI 00/ACl 00/ADi 00 blood pressure monitor measures automatically human being systolic, diastolic blood pressure and heart beat rate from upper arm by using the Oscillometric method for the individual of the age over 18 years old. The measurement values can be read out on the LCD panel, kept in the memory for home care use (without the involvement of professional physician)

Source page: https://510kreport.com/device/K123839
Methodology: https://510kreport.com/methodology