Triggered Measurement

The DMM initializes the Handler by issuing a Sync pulse. This pulse sends the Handler to Position Zero. Once settled at that position, the Handler sends a Trigger command to the DMM, in response to which it takes measurement(s). After the DMM is done taking the measurement(s) it sends a Sync pulse to the Handler which instructs it to go to Position One, etc...
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The above diagram shows a Signametrics multimeter using it's Analog Threshold Trigger to capture a fuel injector signal. These Digital Multimeters make dynamic measurements of automotive components, including fuel injectors, ignition, shock sensors, guages, sensors, and tranducers. They allow for measurement & simulation and robust protection.

Signametrics multimeters have a number of different Trigger Modes. These include the external hardware trigger, analog threshold trigger, delayed hardware trigger, and software triggers. Pre and post trigger data is recorded, and the user has fine grained control over the measurement timing.
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