A device for measuring voltage across a remote load comprises a power supply configured to output a first output voltage to the remote load. A switch is selectively movable from a closed position to an open position. A measuring circuit measures a load voltage across the load when the switch is in the open position and determines a voltage difference between the first output voltage and the load voltage. The measuring circuit may adjust the first output voltage to a second output voltage to compensate for the voltage difference. A second A/D converter may be coupled to the power supply the load capacitor. The second A/D converter may measure a voltage across a resistor wherein a change in the voltage indicates a change in the load voltage. The power supply may be adjusted to output a second output voltage to compensate for any change in load voltage.

There is described a method of monitoring an electronic circuit voltage droop response; the method comprising: switching activity, in response to a voltage droop event, from a nominal clock source to a fallback clock source; and, optionally, switching activity, in response to a voltage recovery event, from a fallback clock source to a nominal clock source; wherein a voltage recovery event comprises a predetermined duration according to a configurable delay value without a voltage droop. The method further comprises at least one of: measuring a number of instances of switching from a nominal clock source to a fallback clock source; measuring an actual duration during which activity proceeds according to the fallback clock source without a voltage droop; measuring a fallback duration during which activity proceeds according to the fallback clock source; and measuring a number of instances of switching from a fallback clock source to a nominal clock source occurring during a voltage droop. Finally, the method may comprise modifying the switching to optimise activity efficiency based on the measuring. There is also described an electronic circuit configured to monitor voltage droop response of another electronic circuit according to the method.

According to one implementation, a computer system includes processing unit circuitry of one or more computer devices that include a plurality of transistors configured to a first voltage threshold, and digital voltage sensor circuitry (160) of the one or more computer devices that include at least a delay line circuit (126) including one or more digital gates (120A-N). Each of the one or more digital gates (120A-N) includes driving transistors configured to a second voltage threshold, where the digital voltage sensor circuit (160) is configured to predict voltage droop of the processing unit circuitry.

A device for testing a voltage level in an electrical terminal cavity including a testing body and a probe for contacting the electrical terminal cavity. The probe includes a tip portion having a first cross-sectional area, a base portion having a second cross-sectional area, and an intermediate portion extending from the tip portion to the base portion having a third cross-sectional area. The first cross-sectional area is smaller than the third cross-sectional area, the third cross-sectional area is smaller than the second cross-sectional area, and the intermediate portion is concentric with the tip portion and the base portion. An axis extends between a center of the tip portion, a center of the intermediate portion, a center of the base portion, and a center of the testing body. The device also includes a circuit operatively coupled with the probe to sense the voltage level in the electrical terminal cavity.

A measuring apparatus ascertains measurement information relating to an input voltage. The measuring apparatus contains an operational amplifier having first and second inputs, and an output for providing the measurement information. The measuring apparatus further has a first input node for coupling to a first pole of the input voltage, and a first isolation resistor which connects the first input node to the first input of the operational amplifier. Moreover, the measuring apparatus contains a second input node for coupling to a second pole of the input voltage, and a second isolation resistor which connects the second input node to the second input of the operational amplifier. The measuring apparatus further has a feedback resistor which connects the output of the operational amplifier to the first input of the operational amplifier, and a reference resistor which connects the second input of the operational amplifier to a reference potential.

A hypochlorite cell voltage monitoring device for monitoring the voltage across a hypochlorite cell. The hypochlorite cell voltage monitoring device includes a housing, a clamp having a first clamp ring and a second clamp ring opposite the first clamp ring, and digital direct current (DC) voltmeter disposed in the housing. The first clamp ring couples to an anode side of the hypochlorite cell and the second clamp ring couples to a cathode side of the hypochlorite cell. The voltage across the hypochlorite cell may be monitored using the digital direct current (DC) voltmeter.

A detection device includes a housing, a wall detection assembly and a multimeter assembly, wherein the wall detection assembly comprises a sensing assembly and a wall detection processing circuit, the sensing assembly comprising at least one of a metal detection sensing element, a foreign object detection sensing element and an alternating-current voltage signal sensing element; wherein the sensing assembly and the wall detection processing circuit are arranged spaced apart in a first direction the sensing assembly and the multimeter assembly are arranged staggered in a second direction; and the sensing assembly is mounted to an inner side wall of the housing via a connection structure which is a non-metallic material structure. The staggered arrangement of the sensing assembly and the multimeter assembly adopts a staggering with a spatial distance, thereby reducing the adverse effects of large-volume metallic components and parts of a multimeter on the sensing assembly.

A system and method for efficiently determining a diagnostic protocol used by a vehicle under service and instantiating service appropriately. The diagnostic protocol is checked for expected electrical behaviors exhibited at the pins of a diagnostic port of a vehicle. If the expected behaviors are observed, a first protocol is designated for use. If the expected behaviors are not observed, other protocols are test for appropriate designation.

A detection device includes a housing, a wall detection assembly, a multimeter assembly, and a circuit setting layer. The wall detection assembly includes a wall detection processing circuit and a sensor assembly. The multimeter assembly includes a multimeter measurement circuit. Both the circuit setting layer and the sensor assembly are located inside the housing. The housing consists of a top housing and a bottom housing that fit together. The circuit setting layer has a first setting surface facing the bottom housing, which includes a first setting area and a second setting area partitioned for different functions. The wall detection processing circuit is located in the first setting area, and the multimeter measurement circuit is located in the second setting area. The sensor assembly is located in the bottom housing and positioned opposite the first setting area.

An apparatus having a conducting probe configured to couple with an electrical conductor of an electrical terminal. The apparatus has a sensor in contact with the conducting probe. The apparatus has a controller electrically coupled to the sensor, where the controller is configured to monitor the sensor values, and when the sensor values comply with a monitoring rule associated with a hazardous condition, the controller is configured to initiate an action to mitigate the hazardous condition.