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Decade Ratio Transformer
RT-20A
- Resolution 1 ppm
- Ratio accuracy up to 11 ppm
- Bandwidth 50 to 10,000 Hz
- Continuous resolution
- Front and rear panel connectors
- Fused input and output circuits
- Parallel switches reduce contact resistance
- Switch Resistors virtually eliminate switching transients
- Ratio range from 1.11111 to -0.11111
The RT-20 is a precision voltage that is designed to provide optimum performance through the 50 Hz to 10 kHz frequency range. The accuracy of the ratio setting, which is traceable to the National Institute of Standards and Technology, is based on the use of toroidal transformer and is not affected by age or environmental conditions.