# K042202: Tempteller - High Speed Digital Thermometers, Models DT-302, DT-312, DT-412, DT-502

- Pathway: 510(k) (Special)
- Applicant: Oriental System Technology, Inc.
- Decided: Sep 10, 2004 after 28 days
- Product code: FLL (Continuous Measurement Thermometer)
- Device class: 2
- Regulation: 21 CFR 880.2910
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K852954 (1985). 3 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K992601: Temp Teller - Digital Thermometer, Models DT-101, DT-102, DT-103, DT-201, DT-202, DT-203, Oriental System Technology, Inc. (1999) Summary page 1.
- (no number) VICKS Speed Read Digital Thermometer, Models V911 and V965: named in the summary without a submission number

## Most influential descendants
- K101232: Joinsoon Electronics MFG CO. LTD High Speed Digital Thermometer, Model TC-001 (2010), 0 descendants of its own

## Indications for use
The device is an electronic clinical thermometer using a thermistor to detect body temperature from the oral, armpit and rectal in the neonatal, pediatric and adult population used in clinical and home testing.

Source page: https://510kreport.com/device/K042202
Methodology: https://510kreport.com/methodology