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KEITHLEY 7700
Test Accessory, 20 Channel, Differential Multiplexer Module, Keithley Multimeters & Oscilloscopes
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The 7700 from Keithley is a 20 channel differential multiplexer with automatic CJC. The CJC sensor is mounted on the multiplexer module’s PC board and it senses the actual temperature across the module’s connector and then compensates all temperature measurements accordingly. Automatic CJC sensor on the scanner card mean there are no other accessories are required to make thermocouple temperature measurements. The 7700 has 20 channels for general purpose measurements, plus two channels to measure current.
- 300V maximum voltage, 1A maximum switched current
- 50MHz bandwidth, 3ms switch speed
- Oversize screw terminal connection blocks are standard for easier connections
- Two current measure channels
- 2- or 4-wire measurement, less than 3ms actuation time
- Configurable as two independent banks of multiplexers
- 3A capacity for current channels
- Relay closures stored in on-board memory
- Latching electromechanical relay type
- Operating temperature range from 0°C to 50°C
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