The Keithley 7700 plug-in module is a versatile multiplexer for general measurements. General measurement is possible with the 20 channels, while current measurement is available via 2 additional protected channels. The 7700 is ideal for RTD, thermistor, thermocouple measurements.
The Tektronix company Keithley was founded in a garage in 1946 and quickly became a leading provider of advanced electrical measurement instruments and systems for the specialized needs of manufacturers of electronic devices for high-performance production testing, process monitoring, and product development and research.