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Model 6664C 8 AND 16-CHANNEL LOW THERMAL QUAD SCANNERS Complements All Guildline Bridges and Fully Automates Measurements Guildline's 6664C Low Thermal Quad Scanner is the first commercial scanner capable of operating at 1000V. This has greatly improved the measurement/calibration throughput of standards laboratories, since many high ohm measurements can now be automated. High ohm measurements are typically hard to make and very time consuming because of the low signal/noise ratio. With a Guildline model 6664C scanner and software, these hard-to-make high ohm measurements (up to 100 G) can be automated and scheduled at any time that is convenient to the metrologists, even at night and over the weekends. This scanner is designed to work with a Guildline 6622A Automatic Direct Current Comparator (DCC) Resistance Bridge, a model 6622T Temperature Bridge or a Teraohmmeter (model 6520). Still have one of our older Guildline Automatic Bridges such as a model 6675A? Our software and scanner also support all previous Guildline' models. Both 8-channel and 16-channel models are available. Like other 6664C FEATURES Guildline products, the 8-channel scanner can be expanded to a 16-channel model, giving our customers exactly what's Withstand up to 1000 V DC to provide fully needed now and the flexibility for future growth. automated high ohm measurements To manually select 4-terminal devices connected to the input Each channel is rated 2 A channels, simply press the push button switch on the Line A- output and another on the Line B-output. All other 8-channel and 16-channel models connections remain isolated. 8-channel model expandable to 16-channel The 6664C performs switching for precision resistance Thermoelectric Potential: <20 nV measurements with less than 20 nanovolt of thermal o