Does your Fluke 43 or 43B Power Quality Analyzer have buttons that will not respond? Most likely the problem is with the keypad contact foil below the keypad membrane. The polyimide-carbon films are prone to failure over time due to the flexing action caused every time a button is pressed.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.