Rapid-Tech Equipment was started in 1996 by Mike Collins after many years working in senior management in a number of the world’s leading test equipment companies. He believed there was a need for a company that could provide advice & high quality test & measuring equipment to it’s customers at a substantial cost savings.So, when you are in the market to buy test equipment, Rapid-Tech Equipment is your complete test & measurement equipment resource. This website is designed to provide the most-up-to-date technical information, and it is hoped that you our customer will find out everything you need to know without having to look further.
Guildline Instruments 6645Q Quantum Hall System for primary resistance standards
The Guildline 6645Q Quantum Hall System was developed to meet the needs of Standards Laboratories across the world for improved calibration and maintenance of primary resistance standards.
FEATURES
Full-featured, turn key system that is ready to use right away!
Featuring NEW Patented 6640Q-QHR Bridge!
Best Accuracy: ± 0.015 ppm of Reading at QHR Currents of 30 μA – 100 μA with Interchange!
Fasted Measurement Speed of 2 Seconds!
Built in Nano-Voltmeter for Hall Resistances and Longitudinal Resistances!
Pre-Cool with Nitrogen For Cost Savings!
4 to 6 Day Uninterrupted QHR Operation!
Option for Magnetic Field Strength Up To 14 Tesla!
Premium QHR Sample Included, Built by NMI with 20 Years’ Experience
Change All Key Parameters “On-the-Fly” While the Measurement is Running!