The present disclosure provides systems and methods for monitoring an environment of a front opening universal pod (FOUP). The systems and methods may include an environmental sensor disposed within the FOUP and configured to measure one or more environmental parameters of an interior environment of the FOUP; and a wireless transmitter disposed within the FOUP and in communication with the environmental sensor, wherein the wireless transmitter is configured to wirelessly transmit the one or more environmental parameters from the environmental sensor to a controller disposed outside of the FOUP to decide whether the one or more environmental parameters are within threshold limits and receive a message according to a decision of whether the one or more environmental parameters are within the threshold limits from the controller.

A sensing system and method is provided for crop material in a harvester. The sensing system includes a conveyor auger device oriented in a substantially vertical direction and having an entrance aperture, an exit aperture located upwardly above a radially oriented sensing aperture disposed therebetween. The conveyor auger device includes a conveyor auger having a flight for moving crop material upwardly, wherein the flight has a reduced radial extension adjacent the sensing aperture. A sensor disposed at or adjacent the sensing aperture senses the essentially continuously upwardly moving crop material for determining a property thereof.

A sensing system and method is provided for crop material in a harvester. The sensing system includes a conveyor auger device oriented in a substantially vertical direction and having an entrance aperture, an exit aperture located upwardly above a radially oriented sensing aperture disposed therebetween. The conveyor auger device includes a conveyor auger having a flight for moving crop material upwardly, wherein the flight has a reduced radial extension adjacent the sensing aperture. A sensor disposed at or adjacent the sensing aperture senses the essentially continuously upwardly moving crop material for determining a property thereof.

The present disclosure provides a method for testing frost susceptibility of soils and an associated apparatus, and relates to the field of testing technology. The method includes: taking a part of a soil sample to be tested as test soil sample and freezing the test soil sample; taking a soil sample of outer layer from the test soil sample after the completion of freezing and measuring the moisture ratio of the soil sample of outer layer; and determining the frost susceptibility of the soil sample to be tested based on an initial moisture ratio and the moisture ratio of the soil sample of outer layer or based on the moisture ratio of the soil sample of outer layer and the moisture ratio of a soil sample of inner layer from the test soil sample after the completion of freezing. frost susceptibility

The present disclosure provides a method for testing frost susceptibility of soils and an associated apparatus, and relates to the field of testing technology. The method includes: taking a part of a soil sample to be tested as test soil sample and freezing the test soil sample; taking a soil sample of outer layer from the test soil sample after the completion of freezing and measuring the moisture ratio of the soil sample of outer layer; and determining the frost susceptibility of the soil sample to be tested based on an initial moisture ratio and the moisture ratio of the soil sample of outer layer or based on the moisture ratio of the soil sample of outer layer and the moisture ratio of a soil sample of inner layer from the test soil sample after the completion of freezing. frost susceptibility

A device includes a housing unit with an internal volume. The device further includes a sensor coupled to a substrate via an electrical coupling, wherein the sensor is disposed within the internal volume of the housing unit, and wherein the sensor is in communication with an external environment of the housing unit from a side other than a side associated with the substrate. The device also includes a moisture detection unit electrically coupled to the sensor, wherein the moisture detection unit comprises at least two looped wires forming electrodes, and wherein the moisture detection unit is configured to detect presence of a moisture within an interior environment of the housing unit by measuring a capacitance between the electrodes and by detecting a change between the measured capacitance and a capacitance between the electrodes in absence of moisture.

A device includes a housing unit with an internal volume. The device further includes a sensor coupled to a substrate via an electrical coupling, wherein the sensor is disposed within the internal volume of the housing unit, and wherein the sensor is in communication with an external environment of the housing unit from a side other than a side associated with the substrate. The device also includes a moisture detection unit electrically coupled to the sensor, wherein the moisture detection unit comprises at least two looped wires forming electrodes, and wherein the moisture detection unit is configured to detect presence of a moisture within an interior environment of the housing unit by measuring a capacitance between the electrodes and by detecting a change between the measured capacitance and a capacitance between the electrodes in absence of moisture.

The invention discloses a MEMS sensor detection device and a MEMS sensor system, wherein the MEMS sensor detection device comprises: a readout circuit used for analog signal processing of the output signal of the MEMS sensor to generate detection voltage; a cancellation voltage generation circuit used for generating a gravity cancellation voltage according to the detection voltage, wherein the gravity cancellation voltage and the gravity acceleration are in a positive proportional relationship; a selection circuit used for selecting the detection voltage output in a feedback phase and selecting the gravity cancellation voltage output in a gravity cancellation phase, wherein in one detection period, the feedback phase is located after the gravity cancellation phase; and a feedback circuit used for generating a feedback voltage according to the output voltage of the selection circuit, wherein the feedback voltage is in a positive proportional relationship with the output voltage of the selection circuit. The MEMS sensor detection device and the MEMS sensor system disclosed by the invention can cancel the influence of gravity acceleration and improve the sensitivity of the MEMS sensor system.

The invention discloses a MEMS sensor detection device and a MEMS sensor system, wherein the MEMS sensor detection device comprises: a readout circuit used for analog signal processing of the output signal of the MEMS sensor to generate detection voltage; a cancellation voltage generation circuit used for generating a gravity cancellation voltage according to the detection voltage, wherein the gravity cancellation voltage and the gravity acceleration are in a positive proportional relationship; a selection circuit used for selecting the detection voltage output in a feedback phase and selecting the gravity cancellation voltage output in a gravity cancellation phase, wherein in one detection period, the feedback phase is located after the gravity cancellation phase; and a feedback circuit used for generating a feedback voltage according to the output voltage of the selection circuit, wherein the feedback voltage is in a positive proportional relationship with the output voltage of the selection circuit. The MEMS sensor detection device and the MEMS sensor system disclosed by the invention can cancel the influence of gravity acceleration and improve the sensitivity of the MEMS sensor system.

The invention provides a sensor system and methods for detecting the presence of water in an insulating material surrounding plant equipment and/or pipe work. The sensor system comprises a plurality of sensors located in and spatially distributed over the insulating material, each sensor being operable to provide a sensor output indicative of the presence of water in an insulating material. The system also comprises at least one reference sensor operable to provide a reference sensor output indicative of the presence of water in an ambient environment in the vicinity of the plurality of sensors. In addition, the system comprises a processor configured to receive the sensor outputs from the plurality of sensors and the reference sensor output. The processor is configured to correlate the sensor outputs from the plurality of sensors and the reference sensor output to provide a correlation data output for use in evaluating a corrosion condition.