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What is the function of Bypass diode in the test terminals of a pressure transmitter?
Wiki User
∙ 12y ago
The function of the bypass diode is to allow the loop current to be measured without disconnecting the current loop connections. It therefore allows for a quick measurement of the loop current without disturbing any control or monitoring equipment that is connected to it.
This is achieved by simply connecting an ammeter across the diode. If the voltage drop across the ammeter is less than that of the diode (about 0.6V) then all of the loop current will flow through the ammeter rather than the diode. The ammeter is therefore able to measure the loop current.
Wiki User
∙ 12y ago
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Which component when open allows engine exhaust to bypass the turbocharger turbine reducing intake pressure.?
wastegate
