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Keithley Triax to BNC Adapter, For Use With Model 236, Model 237, Model 238, Model 4801, Model 6517B, Model 7051, Model

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1 +MYR643.24

3-slot Male Triax to Female BNC Adapter 7078-TRX-GND

Keithley model 7078-TRX-GND is a 3-slot male triax to female BNC adapter (guard removed) for adapting non-guarded measurements to the model 237 SMU, 7072 or 7072-HV semiconductor matrix cards, or 8006 or 8008 test fixtures. The triax outer shield is connected to the BNC shell. There is no through connection for the triax inner shield so hazardous voltages from guard sources will not be present on the BNC shell.

Working voltage 600V peak centre conductor to inner shield, 1300V peak centre conductor and inner shield to outer shell
Maximum working current 1A peak
Operating temperature 0 → 50°C (up to 70% RH at ≤35°C)
Contact resistance <0.5Ω
Insulation resistance 1015Ω, centre conductor to inner shield (500V test voltage, 23°C@<40%RH)


Keep connections free of contaminants (e.g. dirt, oil) to maintain maximum insulation resistance. If connections become contaminated clean with methanol and allow to dry before use.


For use with Keithley models: 237; Series 2600; Series 2600A; 4801; 6517A; 6517B 760-0313 ; 7051; 7072; 7072-HV

Keithley Accessories

Accessory TypeTriax to BNC Adapter
For Use WithModel 236, Model 237, Model 238, Model 4801, Model 6517B, Model 7051, Model 7072, Model 7072-HV