iPhone Screenshots


The Raynger® 3i plus series thermometer is a new innovative development, based on the successful Raynger 3i series.
It provides optimum performance with high accuracy, high optical resolution, a large memory and other winning features.
It has set a new industry standard in the measurement of process temperatures, especially in hot environments.
Raytek 3i Plus is an application that supports all Raynger 3i plus models. This application is compatible with iOS 7.0 and above.
With the Raytek 3i Plus application, you can:
• Monitor temperature changes in real-time and photograph test points.
• Download basic test data and send mail to user.
• Download profile test data and send mail to user.

What’s New

Version 1.1

• Version1.1 updates the compatibility with iOS 9.
• Profile Log function is improved to support 999 points.

App Privacy

The developer, Fluke Corp., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


Fluke Electronics Corporation
1.2 MB

Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Simplified Chinese

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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