introducing the qcmi-500 torque tester, an accurate and durable testing solution from the advanced witness series. designed to facilitate calibration or verification of torque tools, this tester offers exceptional value for its price range, combining great accuracy, high quality, and ease of use. with the added ability to integrate data management features, the qcmi-500 is a versatile tool for maintaining precise torque control in various applications. unrivaled accuracy: the qcmi-500 boasts a bidirectional accuracy of 0.5% of the indicated reading, ensuring reliable and precise torque measurements. for even higher accuracy requirements, an optional ±0.25% accuracy is available. versatile unit conversions: this torque tester supports eight (8) engineering units, including oz.in., lb.in., lb.ft.,newton meters, cnm, kgfcm, gfcm, and kgfm. this versatility allows for seamless integration into different measurement systems and applications. multiple operating modes: the qcmi-500 offers three modes of operation: track, peak, and 1st peak. these modes enable users to capture various torque values based on their specific testing requirements. long-lasting battery life: powered by nimh rechargeable batteries, the qcmi-500 provides 8-10 hours of continuous use, ensuring uninterrupted testing throughout the workday. robust construction: the tester's machined aluminum case guarantees extended life and durability, making it resistant to wear and tear in demanding industrial environments. invest in the qcmi-500 torque tester and experience precision, versatility, and durability at an unbeatable value. its range of features, accuracy, and ease of use make it an indispensable tool for calibration and verification of torque tools in various industries. elevate your torque control practices with the qcmi-500.