April 27, 2020
CITIZEN SYSTEMS JAPAN CO., LTD.
All models of our thermometers allow for battery replacement. Please refer to the model numbers and replacement methods below.
Battery Model Number List
| Product Name | Model Number | Battery Model Number | Replacement Method |
|---|---|---|---|
| Ear/Forehead Thermometer | CTD711 | CR2032 | Slide-type |
| Ear Thermometer | CTD505 | CR2032 | Slide-type |
| Vibrating Thermometer | CTEB720VA, CTEB718V | CR2025 | Opened/closed with a coin, etc. |
| Predictive Thermometer | CTE709, CTE707, CTE509, CTE507, CTEB503L, CTEB502, CTE501 | LR41 (192) | Opened/closed with a coin, etc. |
| Predictive Thermometer | CT791SP | CR2025 | Opened/closed with a coin, etc. |
| Actual Measurement Thermometer | CTA319, CT422, CT412 | LR41 (192) | Hook-type |
The model number of the thermometer is listed on the rating plate on the back of the thermometer.
Battery Replacement Precautions
- Please be careful of small children accidentally swallowing button batteries during the battery replacement.
- Be careful not to touch leaking batteries.
Battery Replacement Steps
Slide-type: Slide open the battery cover, remove the old battery, and insert the new battery while paying attention to the orientation of the battery.
Type opened/closed with a coin, etc.: Insert a coin or similar object into the groove of the battery cover and turn counterclockwise to remove the battery cover, then replace the battery.
Hook-type: Insert a small flathead screwdriver or similar tool into the hook stop hole on the back of the unit, and push while pulling out the battery case.



