Abstract: A wireless sensor assembly for monitoring conditions in an ambient environment, such as for use in a climate control system for a data center is disclosed. The sensor assembly has a small form-factor housing extending along a longitudinal axis and defining an interior space. A sensor circuit is disposed within the housing and includes at least one sensor element for detecting temperature and/or humidity that is enclosed within a vented sub-chamber of the housing. A mounting member forming part of an exterior surface of the housing mounts the sensor assembly vertically along the at an installation location within an ambient environment being monitored.

Abstract: A wireless sensor assembly for monitoring conditions in an ambient environment, such as for use in a climate control system for a data center is disclosed. The sensor assembly has a small form-factor housing extending along a longitudinal axis and defining an interior space. A sensor circuit is disposed within the housing and includes at least one sensor element for detecting temperature and/or humidity that is enclosed within a vented sub-chamber of the housing. A mounting member forming part of an exterior surface of the housing mounts the sensor assembly vertically along the at an installation location within an ambient environment being monitored.

Abstract: A sensor system and method for sensing conditions of a pipeline is disclosed. The system includes a plurality of sensors that sense a condition of the pipeline, generate a signal indicative of the condition, and communicate the signal. A pipeline device navigates the pipeline receives the signal, stores a value corresponding to the condition, and selectively communicates value.

Abstract: A thermo-anemometer-type fluid flow sensor and a method associated with quickly determining whether the sensor has been installed in an improper orientation relative to the direction of fluid flowing through a system. The flow sensor comprises a detection module adapted to change condition in response to the direction of fluid flowing through the system. A control module is connected to the probe and is capable of determining the installation orientation of a probe of the sensor. An I/O module is connected to the control module to provide a means for communicating the output of the control module to another device and/or user.

Abstract: The present disclosure provides a fluid flow sensor and low flow cut-off device and an associated method for its operation that is easily integrated into a fluid delivery and/or fluid control system for a variety of appliances, such as boilers and water heaters. The fluid flow sensor and low flow cut-off device can determine a fluid flow rate in or to an appliance and whether that fluid flow rate meets or exceeds a predetermined fluid flow rate threshold for the safe and/or efficient operation of the appliance and, if the threshold is not met, disable the appliance from operating or continuing to operate under such conditions.

Abstract: An optical interface using indicator lights is provided for an appliance having a vacuum fluorescent display (VFD) by mounting the indicator lights behind a VFD. In a VFD having a dark background, apertures are formed in the VFD so the indicator lights are enabled for optical communication through the VFD. Preferably, the apertures are formed in the dark layer covering a glass substrate in the VFD so the dark layer helps absorb reflected light that may cause optical noise in the light signals being communicated. Each aperture may be located equidistantly from a group of four pixels in the VFD.

Abstract: The operation of an electromechanical relay is synchronized with the power line waveform where an electrical power supply is supplied from a source to an electrical load. The current voltage supplied to the load is characterized by a power line waveform. An electromechanical relay is positioned between the power supply and the load where contacts of the relay are opened and closed to interrupt and supply power to the load. A microcontroller is positioned between a power source and the electromechanical relay and actuates the relay so that when the contacts are closed or opened the contacts are not exposed to an undesired voltage. A feedback control circuit senses the opening and closure of the contacts so that in the event the contacts, for example close at an undesireable point on the load current waveform the microcontroller adjusts for the necessary delay to cause the actuation of the relay to occur such that the contact closure is at the desired point in the load current waveform.

Abstract: The operation of an electromechanical relay is synchronized with the power line waveform where an electrical power supply is supplied from a source to an electrical load. The current voltage supplied to the load is characterized by a power line waveform. An electromechanical relay is positioned between the power supply and the load where contacts of the relay are opened and closed to interrupt and supply power to the load. A microcontroller is positioned between a power source and the electromechanical relay and actuates the relay so that the contacts are closed or opened at a preselected point on the power line waveform. Closure of the contacts at the preselected point is accelerated by supplying an increased power signal to the relay coil and thereafter returning the signal to the rated power.

Abstract: A relay coil associated with a pair of contacts connects an electrical source to a load. Actuation of a coil sensing element by a trigger input signal supplies current to the coil. In response to the trigger input signal the load sensing element supplies a latch maintain signal to a switching element which becomes conductive to establish current flow to the load. As long as the load sensing element detects current to the load the switching element remains conductive for a "latched" state. Interruption of current to the load converts the elements to an "off" state until another trigger input signal is transmitted to the load sensing element.