Firmware Updater
This software is to update the firmware version of the TOS5400 Series.
Ver.
1.05
Last update
2026/10/08
Configuration
Target Products
- TOS5401
- TOS5402
- TOS5403
Notes
Firmware Update
You can update the product’s firmware by using a USB memory device.
Download
Release Notes
Ver 1.05
2026-09-24
IFC1.05.0050/IOC1.04.0046
- Resolved issues Fixed an issue where the number of digits displayed on the ammeter decreased in a specific range during withstanding voltage testing.
- Improvement Optimized HPF operation during withstanding voltage testing to reduce false operation caused by noise.
