Ensure the precision of your water activity measurements with Matrix Instruments — our very own brand of high-quality water activity standards, developed exclusively by us for reliable calibration and verification.

Manufactured in our ISO 9001:2015 registered facility, each standard is carefully formulated and verified against a NIST-traceable reference, giving you dependable, consistent performance you can trust. Ideal for routine calibration, quality control, and regulatory compliance across a variety of industries.

Why Choose Matrix Instruments Standards?

• Our Proprietary Brand – Designed and produced in-house for full quality control

• NIST-Traceable Accuracy – Verified to meet the highest measurement standards

• ISO-Certified Manufacturing – Produced in our rigorously audited facility

• Compatible with Most Meters – Works seamlessly with leading brands