The Fluke ST-55 operating fluid is a high-quality mineral oil designed for calibration engineers, laboratory technicians and industrial test professionals working with pressure calibration equipment. It acts as a stable pressure medium for hydraulic and pneumatic calibration systems, ensuring accurate and repeatable measurements.
Ideal for professionals searching for pressure calibration fluid, deadweight tester oil and calibration accessories in the UK, the ST-55 helps maintain precision and reliability in demanding calibration environments.
How does the ST-55 improve pressure calibration accuracy?
With its low viscosity and high flash point, the ST-55 provides smooth pressure transmission and stable performance during calibration procedures. This ensures accurate readings when used with deadweight testers and comparison test pumps, helping technicians achieve consistent and traceable results.
Designed for compatibility with a range of Fluke calibration instruments, it supports reliable operation in both laboratory and field calibration applications.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.