ISO 9869 U-value heat flow meter

Accurate U-value measurement

Everything you need to measure U-values accurately for as-built performance assessments or retrofit performance improvements.

ISO compliant

Our kit conforms to the ISO 9869:1 standard for measuring in-situ U-values of building elements.

High sensitivity

Best in class heat flux plates can deliver greater accuracy and withstand the rigours of being used on site.

Large memory

Large capacity memory allows logging for an extended period of time without data loss.

Temperature sensors

Class AA RTD temperature sensors deliver accuracy to 0.1°C as required by ISO 9869.

Remote access

A built-in 4G modem can be used to check ISO 9869 conformity has been met without the need for someone to attend the installation site.

Portable and secure

The lightweight protective case incorporates all sensors and instruments and can be left securely locked on site.

image/svg+xml ISO 9869 Certified ISO 9869 Certified
image/svg+xml UK Designed and Manufactured UK Designed and Manufactured

U-Value Measurement System Downloads

PDF Document

ISO 9869 U-value Brochure

Summary of key features, applications and complete technical specifications for our U-value measurement system.