32 results about "Continuity tester" patented technology

An electrical continuity tester adaptor for attaching to a conventional continuity tester comprising first, second and third members. The first member is operably configured to engage a female F-type connector. The second member is operably configured to engage a female RJ series type connector. The third member includes a plurality of electrical connections and a printed circuit board to facilitate the electrical connectivity between the first and second members.

An electrical continuity tester for testing the continuity of a cable between one end to another end, includes a main housing having first and second ends; a first test port disposed at the first end, the first test port for being connected to one end of a cable being tested; a circuit disposed within the main body operably connected to the first test port, the circuit including a first indicator for indicating the continuity of a cable being tested; a coupler removably secured to the main housing; and a terminator removably secured to the coupler, the terminator for connecting to another end of a cable being tested, the terminator including a second indicator for indicating the continuity of the cable being tested when the first test port is connected to the one end of the cable.

A method and apparatus is provided for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. The system uses a conductive member mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored. A resistance measuring system such as a continuity-tester or an ohmmeter is coupled to the conductive member, the resistance measuring system outputting a first signal when the temperature corresponding to the battery or batteries is within a prescribed temperature range and a second signal when the temperature exceeds a predetermined temperature that falls outside of the prescribed temperature range.

The invention is a compact multiple function tool for use with computer systems made of a housing having a front plate and a back plate and an overall length of less than three inches, separated by interior plates connected by pivots and a unit of numerous implements including a miniature flashlight, a chip puller, a first screwdriver having a small Phillips head with a length less than two inches, a second screwdriver forming a small flat head with a length less than two inches, a continuity tester with a miniature indicator light, a miniature wire stripper, a miniature crimper, and a laptop case cracker, wherein the implements are pivotally coupled to the housing and the miniature flashlight is positioned on the front plate of the tool.

The invention discloses a method and a system for testing swinging cross or breaking of a multi-core cable. The method includes the steps of A, selecting a one cable core of a tested cable and performing a continuity test by respectively connecting two ends of the cable core on a testing channel of a continuity tester; B, selecting another cable core and repeating the step A until continuity tests for all cable cores are finished; C, selecting one pair of cable cores of the tested cable and respectively connecting one ends thereof on a test channel of a capacitance unbalance tester to test capacitance difference of the pair of the cable cores relative to other cable cores and a metal sheath; D, selecting another pair of cable cores and repeating the step C until all capacitance unbalance tests for the cable cores are finished; E, selecting cable core pairs with abnormal test results obtained in the step C and the step D, combining the cable cores two by two, respectively connecting one ends on the continuity tester to finish the continuity test between two random cable cores, obtaining result of the swinging cross, and then recording the result.

A kit is provided for making a continuity tester from an existing pliers tool and an existing continuity checker to check electrical continuity of a wire. The kit includes a first sleeve adapted to slip onto a free end of a first jaw of the pliers tool and which includes a protrusion that faces laterally, and a second sleeve adapted to slip onto a second jaw and which includes a pocket for holding the wire while the protrusion is piercing the wire. The first and second sleeves are tubular, and are held on by resilient tabs that frictionally engage the jaws. A connector adapted to frictionally engage the probe of the continuity checker is provided either on the first sleeve or on a third sleeve engagable with the first handle of the pliers tool. In one form, the kit is factory-installed as a permanent part of the pliers tool.

The invention is a multiple function tool for use with computer systems made of a housing having a cover plate and a back plate connected by a plurality of rivets, as a unit, a plurality of implements connected to a housing, wherein the plurality of implements include a flashlight, a chip puller, a first screwdriver having a small Phillips head, a second screwdriver forming a small flat head, a continuity tester with an indicator light, a wire stripper, a crimper, and a laptop case cracker, wherein the plurality of implements are pivotably coupled to the plurality of rivets and the flashlight is positioned on the cover plate.

A continuity testing device is provided which can reliably detect incomplete-fitting of the retainer of the connector. The continuity testing device includes a connector guide block into which the connector is inserted in a transverse direction and which is fixed above an opening formed on a cover plate of a case of the continuity testing device, a detection plate provided to the connector guide block and arranged above the connector so as to contact with the incompletely-fitted retainer of the connector when moved downward, a detection pin arranged at the detection plate, a continuity testing part arranged to move in the vertical direction toward the connector, a drive mechanism that operates the detection plate to move in the vertical direction in conjunction with the continuity testing part, and a switch that is activated by the detection pin when the detection pin is completely moved down to the switch.

An electrical continuity tester adaptor for attaching to a conventional continuity tester comprising first, second and third members. The first member is operably configured to engage a female F-type connector. The second member is operably configured to engage a female RJ series type connector. The third member includes a plurality of electrical connections and a printed circuit board to facilitate the electrical connectivity between the first and second members.

A continuity tester that has particular application for inspecting the insulation on the stator windings in an electric machine. The continuity tester includes a power supply, a brush having conductive bristles, and an analog-to-digital (A / D) converter. One terminal of the power supply is electrically coupled to the brush and another terminal of the power supply is electrically coupled to the A / D converter and the stator being tested. The conductive brush is selectively positioned against the exposed windings of the stator, and if an electrical circuit is formed as a result of loss of insulation, the potential at the input of the A / D converter drops, which can be detected. In one embodiment, the conductive brush is a manual brush that is moved across the stator windings, and in alternate embodiments the conductive brush is specially configured to be positioned against the conductive windings in an automated process.

The invention discloses a continuity test device and a continuity test method of an airborne cable for continuity test of the airborne cable after final assembly. When a controller in the continuity test device of the airborne cable starts a continuity test, the controller controls the starting and stopping of relays in multiple test circuits according to a preset sequence, so that just one relay is located in a closed state at the same time and whether a loop current exists in the test circuit in which the closed relay exits is detected, If so, a core wire which is connected with the test circuit at which the closed relay exists in the to-be-tested airborne cable is connected, otherwise, the core is not connected. Thus, the controller can control the multiple test circuits connected with the core wires in the to-be-tested airborne cable to connect in turn to sequentially judge the continuity condition of the core wires in the to-be-tested airborne, so that a fast, simple and highly reliable automatic continuity test is carried out on the airborne cable under the limited condition that the airborne cable is already installed and deployed on an aircraft.

A continuity testing device has a probe element for contacting a conductor. A continuity testing circuit is coupled to the probe element. The continuity testing circuit will indicate continuity when a resistance level below a predetermined set-point is monitored. The continuity testing circuit has at least one of a vibrating or audible sensor to indicate electrical continuity of the conductor. The vibrating and / or audible sensor indicates a strength of the resistance level of the circuit tested by a quality of vibration or sound from the vibrating and / or audible sensor. A grounding wire is coupled to the continuity testing circuit. The grounding wire has a magnetic contact coupled thereto to ground the continuity testing device to any ferrous metallic grounded element. A housing is provided for holding and storing the probe element and the continuity testing circuit.

A continuity testing device is provided which can reliably detect incomplete-fitting of the retainer of the connector. The continuity testing device includes a connector guide block into which the connector is inserted in a transverse direction and which is fixed above an opening formed on a cover plate of a case of the continuity testing device, a detection plate provided to the connector guide block and arranged above the connector so as to contact with the incompletely-fitted retainer of the connector when moved downward, a detection pin arranged at the detection plate, a continuity testing part arranged to move in the vertical direction toward the connector, a drive mechanism that operates the detection plate to move in the vertical direction in conjunction with the continuity testing part, and a switch that is activated by the detection pin when the detection pin is completely moved down to the switch.

The present invention is a multipurpose hand tool. The hand tool includes a substantially planar body, a continuity tester, and at least one triple-stacked socket wrench. The continuity tester has a single test lead connected to an indicator means connected to a power means connected to the substantially planar body.

A continuity tester for testing continuity of long electrical lines having two units with one unit located at each end of the line to be tested. A battery is provided with each unit. A ground lead is provided with each unit for connecting the battery through a buzzer to ground. Further, a probe lead is provided for connecting the battery to one end of the line to be tested. The first unit uses the battery with one polarity and the second unit uses the battery with a reversed polarity.

The test device of the present invention is configured to test the continuity and polarity of a plurality of fibers housed by a cable that extends between the multi-fiber connectors on either end of the cable. In its most basic form, the test device of the present invention includes first and second light sources; an optical splitter positioned between the second light source and the connector at the first end of the cable housing the plurality of fibers under test; and a receiver and configured for optical communication with the second end of the cable. The first light source creates a first light pattern, which is distinct from a second light pattern created by the second light source.

A testing device for a meter socket assembly, including breaker load lugs, includes a base unit having a plurality of test probes, a ground node, and a breaker node having a plurality of breaker probes. To perform the test, the base unit is inserted into a jaw meter socket such that each of the plurality of test probes are in contact with jaws of the jaw meter socket, at least two of the plurality of breaker probes are in contact with each of a plurality of breaker load lugs of a main breaker, and the breaker node is electrically connected to the base unit. The testing device determines the jaw type of the meter socket assembly and can output results of tests relating to phase to phase, phase to ground, crossed cables, and interruption of electrical paths. The testing device can output results of the test audibly and visually.

A power lead testing system comprises a test unit for applying standard voltage and continuity tests to the lead and an electronic tag integrated with the lead having a countdown timer, said tag communicating with said test unit which resets the timer for a defined period when the lead passes the applied voltage and continuity tests and also incorporates a circuit breaker which is triggered when the lead fails either the voltage or continuity test or when the countdown time elapses, thus isolating the lead.

A fluorescent lamp testing device 10 has a microcontroller 100 that controls tests for ballast discrimination as well as gas integrity, ballast operation, filament continuity and line voltage. The ballast discrimination test is performed by the microcontroller 100 in combination with a photodiode 30 and high / low pass filter 32. Gas integrity is tested with pulse width modulation and a high-voltage, step-up transformer (PWM / T) circuit 42 and an antenna 40. A built in continuity tester has input pins 52, 54 to test the continuity of the filaments in the fluorescent lamp 12. The antenna 40 and a voltage-divider / voltage-sensor connected to the secondary coil in the transformer test for ballast operation. A PCB conductive loop 18, rectifier 20 and op amp 22 test for line voltage.

The present invention provides a method for continuity test of integrated circuit. By using both pins of integrated circuit to measure a current of an electrostatic discharge device, the contact resistance of the integrated circuit can be obtained by calculating. The method comprises the steps: First, a DUT (device under test) is provided, and the DUT includes a second pin and the second pin connecting zero reference potential. Then, a voltage is applied to a first pin of DUT. Finally, the current through said first pin and said second pin would be measured. Therefore, the testing result of the DUT could be more precise and the quality of the DUT would be made sure.

A portable caddy for fuse service repair which contains fuse blade and receptacle cleaning tools, a voltage continuity tester, a fuse removal tool and a separate fuse container.

The present invention is a multipurpose hand tool. The hand tool includes a substantially planar body, a continuity tester, and at least one triple-stacked socket wrench. The continuity tester has a single test lead connected to an indicator means connected to a power means connected to the substantially planar body.

The invention discloses a method and a system for testing swinging cross or breaking of a multi-core cable. The method includes the steps of A, selecting a one cable core of a tested cable and performing a continuity test by respectively connecting two ends of the cable core on a testing channel of a continuity tester; B, selecting another cable core and repeating the step A until continuity tests for all cable cores are finished; C, selecting one pair of cable cores of the tested cable and respectively connecting one ends thereof on a test channel of a capacitance unbalance tester to test capacitance difference of the pair of the cable cores relative to other cable cores and a metal sheath; D, selecting another pair of cable cores and repeating the step C until all capacitance unbalance tests for the cable cores are finished; E, selecting cable core pairs with abnormal test results obtained in the step C and the step D, combining the cable cores two by two, respectively connecting one ends on the continuity tester to finish the continuity test between two random cable cores, obtaining result of the swinging cross, and then recording the result.

A continuity testing device has a probe element for contacting a conductor. A continuity testing circuit is coupled to the probe element. The continuity testing circuit has at least one of a vibrating or audible sensor to indicate electrical continuity of the conductor. A grounding wire is coupled to the continuity testing circuit. The grounding wire has a magnetic contact coupled thereto to ground the continuity testing device to any ferrous metallic grounded element. A housing is provided for holding and storing the probe element and the continuity testing circuit.

A fluorescent lamp testing device 10 has a microcontroller 100 that controls tests for ballast discrimination as well as gas integrity, ballast operation, filament continuity and line voltage. The ballast discrimination test is performed by the microcontroller 100 in combination with a photodiode 30 and high / low pass filter 32. Gas integrity is tested with pulse width modulation and a high-voltage, step-up transformer (PWM / T) circuit 42 and an antenna 40. A built-in continuity tester has input pins 52, 54 to test the continuity of the filaments in the fluorescent lamp 12. The antenna 40 and a voltage-divider / voltage-sensor connected to the secondary coil in the transformer test for ballast operation. A PCB conductive loop 18, rectifier 20 and op amp 22 test for line voltage.

The invention discloses a ground network conduction comprehensive tester, which belongs to the technical field of ground network conduction test. A ground network conduction comprehensive tester comprises an AC current source, an ammeter, a voltmeter, four test terminals, a pair of The current line and a pair of voltage lines, the four test terminals include test terminal 1, test terminal 2, test terminal 3 and test terminal 4. The present invention innovatively uses the interference source as the test source to avoid the influence of interference, and the interference source Equivalent to a voltage source U and the equivalent circuit of the internal resistance R0, the greater the interference, the more accurate the test is achieved in the test, effectively avoiding the adverse effects of interference, and improving the measurement of the ground network conduction resistance under interference Accuracy, to achieve a comprehensive assessment of the state of the regional ground network, to determine the weak link of the ground network, and to accurately monitor the strong interference area to propose precise measures, and to provide targeted and precise measures to reduce the interference of the ground network.