Abstract: Battery insulation resistance measurement methods, insulation resistance measurement methods, insulation resistance determination apparatuses, and articles of manufacture are described. According to one aspect, a battery insulation resistance measurement method includes determining a voltage of a battery, determining a voltage of a first terminal of the battery with respect to a ground reference, determining a voltage of a second terminal of the battery with respect to the ground reference, and using the voltages of the battery, the first terminal and the second terminal, determining an insulation resistance of the battery with respect to the ground reference.

Abstract: Battery insulation resistance measurement methods, insulation resistance measurement methods, insulation resistance determination apparatuses, and articles of manufacture are described. According to one aspect, a battery insulation resistance measurement method includes determining a voltage of a battery, determining a voltage of a first terminal of the battery with respect to a ground reference, determining a voltage of a second terminal of the battery with respect to the ground reference, and using the voltages of the battery, the first terminal and the second terminal, determining an insulation resistance of the battery with respect to the ground reference.

Abstract: A programmable system for testing relays and controlling systems is provided. In one embodiment the present disclosure provides a programmable device capable of, for example, testing relays. The device includes a signal generator for generating signals to test relays. The device includes a memory location, and a first program stored in the memory location. The first program supports relay testing. The device includes a versioned program to support relay testing, and a processor in communication with the signal generator and the memory location. The device also includes a routine that is operable by the processor to install a versioned program in the memory location replacing the first program.

Abstract: A test device for testing relays is provided. The test device includes a chassis and a plurality of generator components removably coupled to the chassis. Each of the plurality of generator components have a signal generator, a CPU to promote test signal generation by the signal generator, and an amplifier to amplify signals generated by the signal generator. The test device also includes a controller coupled to communicate with the plurality of generator components.

Abstract: A system for testing a relay is provided. The system includes a plurality of signal generators to generate signals to test relays. The system includes a controller to provide at least some inputs for use by at least one of the signal generators to generate the signals. The system also includes a hand-held controller in communication with the controller. The hand-held controller is operable to receive and display relay test information for a user. The hand-held controller is operable to transmit one or more control inputs for testing the relay.

Abstract: A programmable system for testing relays and controlling systems is provided. In one embodiment the present disclosure provides a programmable device capable of, for example, testing relays. The device includes a signal generator for generating signals to test relays. The device includes a memory location, and a first program stored in the memory location. The first program supports relay testing. The device includes a versioned program to support relay testing, and a processor in communication with the signal generator and the memory location. The device also includes a routine that is operable by the processor to install a versioned program in the memory location replacing the first program.

Abstract: A test device for testing relays is provided. The test device includes a chassis and a plurality of generator components removably coupled to the chassis. Each of the plurality of generator components have a signal generator, a CPU to promote test signal generation by the signal generator, and an amplifier to amplify signals generated by the signal generator. The test device also includes a controller coupled to communicate with the plurality of generator components.