Frequently Asked Questions
Everything you need to know about your FNIRSI professional tools and orders.
Are FNIRSI products covered by a warranty?
Yes, all official FNIRSI products come with a standard 12-month warranty covering manufacturing defects and hardware failures under normal use.
How can I update the firmware on my oscilloscope or tester?
You can download the latest firmware packages from our official website's 'Download' section. Connect your device to a PC via USB and follow the included PDF instructions for the specific model.
What is the estimated shipping time for international orders?
Orders are typically processed within 1-2 business days. International shipping generally takes 7-15 business days depending on the destination country and customs processing.
What is your return policy for electronic tools?
We offer a 30-day return policy. Items must be in their original packaging, including all probes, cables, and manuals, to be eligible for a full refund.
Do you provide technical support for device calibration?
Absolutely. Our technical team is available via email to provide guidance on self-calibration procedures or to assist with troubleshooting measurement accuracy.
Which payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and localized payment options available at the checkout page.