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Power Sensor E4412A Error

Question asked by madhu001 on Dec 19, 2017

Hi, I'm new to this community, I'm encountering an error while using Agilent E4412A power sensor while performing zero/cal using E4419A power meter. While Zero/Cal power meter throws a error( CAL ERROR chB). I have checked the Power meter channel B performance with another Power sensor and CH B is fine. I suspect the Power sensor. When internal ref was applied to the sensor it reads -21.45 dBm instead of 0 dBm. What could be the possible problem causing this error in the power sensor.