Current clamp with jaw closure detection
First Claim
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1. An electrical system testing device, comprising:
- a clamp configured to open, receive a conductor, and close around the conductor;
an actuator that, when actuated, opens the clamp;
a testing device, operably coupled to the clamp, to measure a current flowing through the conductor for performing maintenance on a battery; and
a closure sensing component that senses a closure state of the clamp indicative of whether the clamp is closed and provides a closure signal indicative of the closure state of the clamp.
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Abstract
A current clamp has a pair of jaws that are placed around an electrical conductor to measure a parameter (a measurable quantity or distinguishing or notable characteristic) corresponding to the electrical conductor.
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Citations
20 Claims
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1. An electrical system testing device, comprising:
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a clamp configured to open, receive a conductor, and close around the conductor; an actuator that, when actuated, opens the clamp; a testing device, operably coupled to the clamp, to measure a current flowing through the conductor for performing maintenance on a battery; and a closure sensing component that senses a closure state of the clamp indicative of whether the clamp is closed and provides a closure signal indicative of the closure state of the clamp. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A battery tester with a current clamp, comprising:
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a clamp that defines a clamp opening and that has an opening end that opens to receive a conductor coupled to a battery terminal and closes so the conductor runs through the clamp opening; a testing device that measures current running through the conductor; and a closure sensing component that senses whether the clamp is open and that provides a user-observable closure status indicator indicative of the clamp being open. - View Dependent Claims (19)
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20. A current clamp, comprising:
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a clamp that defines a clamp opening and that has an opening end that opens to receive a conductor and closes so the conductor runs through the clamp opening, wherein the clamp has a pair of jaws that have ends that are separated from one another to open the clamp and in contact with one another to close the clamp; a testing device that measures current running through the conductor; and a closure sensing component that senses whether the clamp is open and that provides a user-observable closure status indicator indicative of the clamp being open, the closure sensing component comprising a sensor configured to sense whether the ends of the jaws are in contact with one another.
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Specification