Abstract: A hand-held electric circuit tester includes a probe. The probe includes a hollow body, a control circuit, a probe member, and a speaker. The probe member is operatively mounted in the hollow body, and is configured to contact a probe location of an electric circuit to be measured and electrically connect the probe location with the control circuit to produce a measurement. The control circuit is configured to generate a voice signal with reference to the measurement of the probe and output the voice signal to the speaker, which is configured to generate a voice output with reference to the voice signal indicative of the measurement. The probe can include a first switch for operating the probe member, a microphone for voice activation, or a second switch for selecting between different voices for the voice output, with the different voices stored in computer-readable memory.

Abstract: A hand-held electric circuit tester includes a probe. The probe includes a hollow body, a control circuit, a probe member, and a speaker. The probe member is operatively mounted in the hollow body, and is configured to contact a probe location of an electric circuit to be measured and electrically connect the probe location with the control circuit to produce a measurement. The control circuit is configured to generate a voice signal with reference to the measurement of the probe and output the voice signal to the speaker, which is configured to generate a voice output with reference to the voice signal indicative of the measurement. The probe can include a first switch for operating the probe member, a microphone for voice activation, or a second switch for selecting between different voices for the voice output, with the different voices stored in computer-readable memory.

Abstract: A measuring system including a sensor positioned to a belt to measure an oscillation or vibration of the belt based at least in part on a trigger threshold. Also, the measuring system may include a diagnostic tool coupled the sensor to receive a plurality of measurements of the oscillation or vibration of the belt, wherein the diagnostic tool may determine a tension of the belt based at least in part on an average of the plurality of measurements of the oscillation or vibration of the belt.

Abstract: A measuring system including a sensor positioned to a belt to measure an oscillation or vibration of the belt based at least in part on a trigger threshold. Also, the measuring system may include a diagnostic tool coupled the sensor to receive a plurality of measurements of the oscillation or vibration of the belt, wherein the diagnostic tool may determine a tension of the belt based at least in part on an average of the plurality of measurements of the oscillation or vibration of the belt.