Abstract: A temperature monitor, a system, and a method monitor temperature on a roof. The temperature monitor includes a base for attaching to the roof, a temperature sensor for detecting changes in temperature, the temperature sensor is attached to the base and positioned periodically on the base, and a roof sensor device attached to the base for transmitting measurement data received from the temperature sensor.

Abstract: A monitoring system comprising a transmitter and a receiver, the transmitter including a laser transmitter assembly selectively securable to a transmitter post between a transmitter proximate position adjacent a base end of the post and a transmitter distal position adjacent a distal end of the post, the laser transmitter assembly including a laser source arranged to project a laser beam from the transmitter, the receiver to be located a transmission distance from the transmitter and including a laser receiver assembly selectively securable to a receiver post between a receiver proximate position adjacent a base end of the post and a receiver distal position adjacent a distal end of the post to be aligned with the laser transmitter assembly to receive the laser beam, the laser receiver assembly including a detector to detect the laser beam and generate a signal in response to a laser beam interruption event.

Abstract: A monitoring system comprising a transmitter and a receiver, the transmitter including a laser transmitter assembly selectively securable to a transmitter post between a transmitter proximate position adjacent a base end of the post and a transmitter distal position adjacent a distal end of the post, the laser transmitter assembly including a laser source arranged to project a laser beam from the transmitter, the receiver to be located a transmission distance from the transmitter and including a laser receiver assembly selectively securable to a receiver post between a receiver proximate position adjacent a base end of the post and a receiver distal position adjacent a distal end of the post to be aligned with the laser transmitter assembly to receive the laser beam, the laser receiver assembly including a detector to detect the laser beam and generate a signal in response to a laser beam interruption event.

Abstract: A temperature monitor, a system, and a method monitor temperature on a roof. The temperature monitor includes a base for attaching to the roof, a temperature sensor for detecting changes in temperature, the temperature sensor is attached to the base and positioned periodically on the base, and a roof sensor device attached to the base for transmitting measurement data received from the temperature sensor.

Abstract: A monitoring system comprising a transmitter and a receiver, the transmitter including a laser transmitter assembly selectively securable to a transmitter post between a transmitter proximate position adjacent a base end of the post and a transmitter distal position adjacent a distal end of the post, the laser transmitter assembly including a laser source arranged to project a laser beam from the transmitter, the receiver to be located a transmission distance from the transmitter and including a laser receiver assembly selectively securable to a receiver post between a receiver proximate position adjacent a base end of the post and a receiver distal position adjacent a distal end of the post to be aligned with the laser transmitter assembly to receive the laser beam, the laser receiver assembly including a detector to detect the laser beam and generate a signal in response to a laser beam interruption event.

Abstract: A drain monitor, a system, and a method monitor water level on a roof. The drain monitor includes a base for attaching to the roof, a riser attached to the base and projecting from the roof, a water level sensor attached to the riser for measuring water level on the roof, and a communication system positioned on the riser for transmitting measurement data received from the water level sensor.

Abstract: A drain monitor, a system, and a method monitor water level on a roof. The drain monitor includes a base for attaching to the roof, a riser attached to the base and projecting from the roof, a water level sensor attached to the riser for measuring water level on the roof, and a communication system positioned on the riser for transmitting measurement data received from the water level sensor.

Abstract: A temperature monitor, a system, and a method monitor temperature on a roof. The temperature monitor includes a base for attaching to the roof, a temperature sensor for detecting changes in temperature, the temperature sensor is attached to the base and positioned periodically on the base, and a roof sensor device attached to the base for transmitting measurement data received from the temperature sensor.