Abstract: A system and method for discriminately measuring the response of a plurality of spatially separated fiber sensors positioned along an optical fiber using a sweep of electromagnetic radiation. Each fiber sensor affects the transmission of a particular wavelength of electromagnetic radiation and the particular wavelength affected by a given fiber sensor is dependent on at least one environmental property of the given fiber sensor. By detecting the particular wavelength affected by a given sensor, it is possible to determine the environmental property of the given sensor.

Abstract: A method and apparatus for automatically measuring and storing a various measured values of an item, or a sequence of measured values of one or more item(s) suitable for single-handed use by a user. In particular, the present invention relates to a mobile computing device with one or more sensors for determining when to measure and record a particular value of one or more items. The mobile computing device may automatically measure the values based on sensing a change in the temperature value or through using proximity as detected by one or more onboard sensors. Additionally, the mobile computing device may automatically measure the values based on coming within range of an external proximity device. In response to automatically measuring the values, the measured values are stored along with additional information for record keeping purposes.

Abstract: [Task] To provide a sensor fixation device capable of preventing loss of mount nuts. [Solution] A mount body 130 of a sensor fixation device 100 in a mount state includes a first side wall 133a and a second side wall 133b which face with each other at the other end, which are perpendicular to a trap opening axis JT. The first side wall 133a includes a first mount nut retaining opening 133a1, and the second side wall 133b includes a second mount nut retaining opening 133b1. A mount nut 170 includes a nut spherical part 173 interposed between the first side wall 133a and the second side wall 133b, which has a diameter longer than the distance between the first side wall 133a and the second side wall 133b, and is configured to be engaged with a first side wall opening 133a1 and a second side wall opening 133b1. The mount nut 170 is retained integrally with the mount body 130, ensuring to prevent loss of only the mount nut 170 during the mount work.

Abstract: A measuring system is provided in which the evaluation of a measuring signal is resolved in a variably spread manner or is output in a variably scaled manner on a dial as a function of the measured value range.

Abstract: A failure diagnosis method for a Hall sensor includes: a failure recognizing step of recognizing a failure signal of a Hall sensor by a control unit; a duty increasing step of, when the failure signal is recognized as a result of having performed the failure recognizing step, increasing a driving duty of an oil pump by a preset value; and a failure diagnosing step of diagnosing a failure of the Hall sensor after the duty increasing step.

Abstract: A wake test instrumentation and more particularly, systems and methods for determining wake velocities and directions are provided. The wake test instrument includes a linkage system mounted to a base and a pole pivotally mounted to the linkage system and which comprises a hydrofoil system. The wake test instrument further includes a hydrofoil system mounted to the pole. The wake test instrument further includes a water flow meter mounted to the pole which is structured to measure wake parameters.

Abstract: A flow feature detection method is described. The method includes storing a plurality of points at locations over a region in which vortex detection is to be performed. A value for each of a plurality of fluid flow parameters, such as velocity, pressure and density, is determined at each point. The points are grouped as being contained in either a flow feature portion or normal flow portion of the region according to one or more statistical distribution for the fluid flow parameters. A point is identified as being indicative of the flow feature by identifying multiple further points at least partially surrounding the point, and determining a plane in which the flow feature is identifiable based upon the relative values of the one or more fluid flow parameter for the further points. The method may be used to detect vortices and to identify a two-dimensional plane representative of a vortex.

Abstract: Fluid flow measuring device for measuring a fluid flow, comprising a rotatable, magnetic element, wherein the rotatable, magnetic element is positioned in the fluid flow, wherein the rotation of the rotatable, magnetic element depends from the fluid flow, wherein the rotation of the rotatable, magnetic element generates a magnetic field; further comprising at least one sensing coil pair having a first sensing coil and a second sensing coil, wherein the respective sensing coils of each sensing coil pair are arranged in such a way that the magnetic field generated by the fluid flow dependent rotation of the rotatable element has a first polarity and a first phase in the region of the respective first sensing coil and a second polarity and a second phase in the region of the respective second sensing coil, wherein at least said polarities differ from each other.

Abstract: A flow meter includes a first body defining a fluid path. A flow measuring element is operatively positioned within the fluid path. The flow measuring element is configured to generate a signal in response to fluid within the fluid path. At least one circuit element is configured to receive the signal generated by the measuring element and determine a rate of flow and a direction of flow of the fluid within the fluid path.

Abstract: A magnetic flowmeter flowtube assembly is provided. The assembly comprises a flowtube configured to receive a flow of process fluid. The assembly also comprises a fluoropolymer liner disposed within and extending through the flowtube. The assembly also comprises a plurality of electrodes assemblies disposed to measure a voltage induced within the process fluid. Each of the electrode assemblies includes a spring-energized seal disposed about each respective electrode.

Abstract: Detection for localizing at least one particle moving in a flow includes emitting a transmission signal by a transmitter, and receiving a reflected reception signal. The reflected reception signal is frequency and phase modulated in comparison with the transmission signal. The reflected reception signal is convolved with at least one kernel representative of a conjugate estimated channel pulse response. A reconstructed particle position function is formed, and the position of the particle is determined from the reconstructed particle position function.

Abstract: A system or a method for measuring flow of fluid or gas, has a flow duct with at least two transducers which generate at least one beam of ultrasound in the flow duct in which ultrasound transducers are placed in a fixed positions in a duct for flowing air where the electronic device for analyzing signal from the transducers is performed in a handheld device. A transmitter circuit is permanently connected to the transducers and a receiver circuit is placed in a handheld device. The transmitter circuit has calibration data representing the actual placement of the transducers in relation to the actual duct, which calibration data is communicated by every connection to the receiver circuit. Hereby can be achieved that transducers can be permanently placed in ventilation ducts in buildings, where placement of ultrasound transducers for measurement and for calibration of measurement of an air stream is nearly impossible.

Abstract: A flow-rate measurement device which measures a flow rate of a fluid flowing through a fluid flow channel unit includes a tubular measurement flow channel unit that is stored in the fluid flow channel unit and has an inside in communication with the fluid flow channel unit. The flow-rate measurement device also includes a pair of sealing materials that blocks a flow of a fluid and is provided to encircle outer peripheries of the measurement flow channel unit at a first end and a second end; and a measurement unit including a substrate, on which a measurement circuit is mounted, and a pair of ultrasonic transducers. Further, the pair of ultrasonic transducers is electrically and fixedly connected to the substrate in the measurement unit, and the measurement unit is disposed between the pair of sealing materials on the measurement flow channel unit.

Abstract: There are described a method and an apparatus for measuring gas flow rate and/or volume (such as gas accumulation and consumption) based on the “rate of rise” method, particularly useful in the field of small gas flow rates, that uses a duct immersed in a liquid so as to generate a hydrostatic pressure that allows increase in pressure in a sealed chamber, so as to avoid the use of solenoid valves, producing a particular advantage when a multiple measurement system is required, when a plurality of gas flows are to be measured. The method can be applied advantageously to measure flow rates of gas produced by chemical and/or biological reactions, in particular the Biochemical Methane Potential (BMP) or the Biochemical Hydrogen Potential (BHP). A variant of the method also allows measurement of the Biochemical Oxygen Demand (BOD).

Abstract: An air flow rate measurement device includes a casing, a flow rate measurement portion, a first protrusion and a second protrusion. The casing is disposed in a main flow passage in which an air flows, and the casing defines a bypass passage therein to take in a part of the air flowing in the main flow passage. The flow rate measurement portion is housed in the casing and measures a flow rate of the air flowing in the bypass passage. The first protrusion protrudes from a side surface of the casing in the main flow passage. The second protrusion protrudes from the side surface of the casing in the main flow passage. The second protrusion is spaced from the first protrusion in a flow direction of the air in the main flow passage. The air flow rate measurement device is capable of limiting a generation of a separated vortex.

Abstract: A device for monitoring the mass of a fluid remaining in a tank as the fluid periodically or continuously leaves the tank includes a housing comprising an inlet adapted to be attached to an outlet of the tank and to receive fluid from the tank. A flow meter measures a plurality of flow rate measurements of the fluid as it leaves the tank. At least one processor is configured to determine a mass of the fluid that has left the tank during at least one measurement period, determine a mass of the fluid remaining in the tank based at least partially on an initial mass of the fluid in the tank and the determined mass of the fluid that has left the tank, and generate, based on the mass of the fluid remaining, an indication.

Abstract: An improved fluid level verification apparatus which may be manufactured or otherwise fabricated as a kit and assembled at a remote location for use on liquid filled containers and configured to reduce inherent mechanical stresses on the inspection tube and resists leakage due to environmental, chemical, thermal, or mechanical, expansion cycles using internal grooves and entrapped o-rings sheathed into multi-faced end blocks in a symmetrical configuration.

Abstract: A container filling device including a body having a top end, a bottom end, a first opening at the top end, a second opening at the bottom end, and a channel formed there between is provided in an embodiment herein. A diameter of the body at the top end is greater than a diameter of the body at the bottom end, and a rod component is disposed within the channel and is slidable within the channel, the rod component having a first end and a second end, an indicator element is disposed toward the first end of the rod component and a contact element is disposed toward the second end, wherein upon filling the container with a fluid, the contact element remains at the surface of the fluid, and the indicator element visually indicates the level of the fluid in the container.

Abstract: A remote level sensor for a residential fuel oil tank is adapted for a fuel oil gauge with a permanent magnet which changes position with changing fluid levels in the tank. The sensor and gauge cylinder are integral so as to align with a magnet on the indicator of the gauge. The sensor is connected a remote monitoring website on the internet by means of a radio connection to a local area network. The sensor has multiple magnetic sensors each in a different relative position. The sensors detect the position of the magnet when the magnet is within a certain distance. Several sensors may detect the magnet and each sensor's output will be proportional to the magnet's distance from it. Two or three sensor outputs are sufficient to interpolate the absolute position of the magnet and thus the fuel oil level in the tank. The controller has a scanning routine that samples the sensor outputs periodically and formats the data into an HTTP POST or PUT message.

Abstract: A floor mat configured to encourage weight loss through the use of a timer, an alarm, and/or one or more weighing devices. The device is specifically designed to look like an ordinary floor mat in appearance, size and texture and will include a processor that can receive a signal from the user and in response the processor can activate a timer and/or an alarm. The processor can be configured to receive a signal from a weighing mechanism included within the device. The device can be equipped with a transmitter configured to receive information from the processor and to transmit that information to a display that is not physical attached to the device or to another device such as a cellular phone or a computer. The device can feature means to input data into the processor—such as a touch screen keypad incorporated into an LCD display.

Abstract: A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.

Abstract: A brightness calibration method used in an optical detection system includes a single source illuminator and a probe card. The single source illuminator is configured to illuminate the probe card. The probe card has a plurality of detection sites. The brightness calibration method includes: sequentially detecting brightness values at the detection sites through one of a plurality of diffusers by a sensing chip; sequentially detecting transparencies of the diffusers at one of the detection sites by the sensing chip; and selecting and respectively disposing the diffusers corresponding to larger ones of the transparencies over the detection sites corresponding to smaller ones of the brightness values, and selecting and respectively disposing the diffusers corresponding to smaller ones of the transparencies over the detection sites corresponding to larger ones of the brightness values.

Abstract: An optical probe includes a first resonant scanner having a first mirror capable of rotating centered around a drive axis, the first resonant scanner reflecting emitted light from a light source toward a measured object, and a second resonant scanner having a second mirror capable of rotating centered around the drive axis, the second resonant scanner reflecting light reflected from the measured object toward a photoreceiver. The first mirror and the second mirror are rotationally driven in synchronization.

Abstract: In some embodiments, an apparatus includes a housing and an image sensor that is coupled to the housing and has a field of view. The apparatus also includes a non-imaging optical system coupled to the housing and disposed outside of the field of view of the image sensor. The non-imaging optical system can output diffuse light in a set of directions to a surface to produce scattered light. The image sensor and the non-imaging optical system are collectively configured such that during operation, the image sensor receives at least a portion of the scattered light.

Abstract: An embodiment of the present disclosure provides a backlight detection device, comprising: a carrier plate, having a backlight detection region for carrying a backlight to be detected; a light property detection plate with a plurality of brightness sensors arranged thereon, configured for detecting light properties of different regions of a backlight to be detected which is positioned in the backlight detection region; and a data processing unit, in signal connection with the plurality of brightness sensors, configured for judging whether the light property of the backlight to be detected is qualified or not according to a plurality of brightness signals of different regions of the light source to be detected which are detected by the plurality of brightness sensors.

Abstract: The spectrometer includes a spectrometer body; a shield including a layer on an exterior of the spectrometer body to prevent light from entering and escaping through an area other than a contact surface between the spectrometer body and an object; an internal light source placed within the shield and configured to emit light to the object; a spectroscope mounted in the spectrometer body and configured to allow the light that passes therethrough to be casted into a spectrum; a detector configured to have one surface that is in full contact with the spectroscope and to detect external light entering from outside of the shield; and a processor configured to, in response to the detector detecting the external light, perform a certain processing.

Abstract: A compact, low cost FTIR spectrometer with no moving parts includes an interferometer having optical paths through silicon waveguides. The optical path lengths are varied by changing the temperature and/or carrier density of at least one of the waveguides. In embodiments, the interferometer is a Mach-Zehnder interferometer. Embodiments vary both optical path lengths in opposite directions. In embodiments, a germanium or InGaAs IR detector is grown on the same wafer as the waveguides. Embodiments include a laser pump, such as a COT CW diode laser, and wavelength mixer, such as an OPGaAs or OPGaP converter, for up and/or down converting measured IR wavelengths into a range compatible with the waveguide and detector materials. The wavelength mixer can be a waveguide. Embodiments include a sample compartment and an IR source such as a glowbar. In embodiments, the sample compartment can be exposed to ambient atmosphere for analysis of gases contained therein.

Abstract: A color measuring device includes a color difference meter module. The color difference meter module includes: a main detecting unit having an optical detecting unit configured to receive light introduced from an incident lens to generate a first current depending on a color, a first measuring unit configured to measure the first current, a sub-detecting unit having a dark detecting unit disposed adjacent to the main detecting unit and blocking the light to generate a second current in a dark state, a second measuring unit configured to measure the second current, a leakage measuring unit including a charging unit provided in the second measuring unit and charged with a predetermined set current, and measures a third current leaking from the charging unit, and a control unit that corrects the first current by reflecting the second current and the third current.

Abstract: A luminaire comprises at least one light emitting diode (LED) as a light source. Such LED has a limited light emitting angle for emitted light radiation. An infrared sensor is assigned to the light source for determining the temperature of same.

Abstract: A suspended type nanowire array and a manufacturing method thereof may be provided. More particularly, an array including a suspended type nanowire having two kinds of nanowires stacked thereon and a manufacturing method thereof may be provided. The suspended type nanowire array includes: a substrate; a suspended type nanowire which is suspended above the substrate and comprises a first nanowire, an insulating member, and a second nanowire which are sequentially stacked; a first electrode portion which is electrically connected to the first nanowire; and a second electrode portion which is electrically connected to the second nanowire.

Abstract: A temperature detecting probe as a contact-probe type temperature detector includes a plunger portion contactable with a semiconductor device as an object to be measured, a spring member placed on a base end portion of the plunger portion, a barrel portion pressing the plunger portion the semiconductor device side with the spring member interposed therebetween, and a thermocouple as a temperature measuring portion detecting a temperature of the semiconductor device.

Abstract: Sensor probes with anti-icing and methods for manufacturing such sensor probes are disclosed. An exemplary sensor probe comprises a probe sensor, a probe body housing the probe sensor and an anti-icing device. The anti-icing device is bonded to and covers at least part of the probe body for preventing ice from forming on the probe body. The anti-icing device comprises a heating element thermally insulated from the probe body by a thermal insulator and a hydrophobic coating covering the heating element and defining an outer surface for exposure to an airflow. The heating element may be deposited using a direct write process.

Abstract: Estimating junction temperature in a power semiconductor includes monitoring electrical current direction so as to determine which of a first and a second power semiconductor is in an on-state, and sensing a voltage drop across the one of the power semiconductors. Voltage drop may be correlated with temperature according to a gain dependent upon a level of the electrical current.

Abstract: Methods for temperature drift compensation of a temperature measurement device using a thermocouple are presented. In one embodiment, the temperature drift may be compensated for through reference junction compensation alone using a thermistor for reference junction compensation without providing a separate temperature measurement element. Thereby, precision of a measured temperature may not change despite change in temperature of the surroundings measured by the temperature measurement device, and the manufacturing cost may be effectively reduced.

Abstract: A food thermometer includes a first portion for insertion into food. The first portion includes electronics sensitive to heat, and a third portion of the thermometer includes an antenna for transmitting data. According to one aspect, a completion time is estimated based on an ambient temperature and a rate at which the food temperature changes. According to another aspect, the thermometer includes an outer shell with a metallic portion and a non-metallic portion. An inner shell inside the outer shell extends from the metallic portion into the non-metallic portion such that the inner shell in the non-metallic portion serves as at least part of the antenna. The inner shell with the metallic portion of the outer shell serves as a coaxial transmission waveguide for an antenna signal.

Abstract: An electronic device detachable from and attachable to a user and a method of determining a temperature in the electronic device are provided. The electronic device includes a housing, a battery mounted in the housing, a coupling member connected to a part of the housing and configured to detachably couple the electronic device to a part of the user's body, a conductive member disposed on one surface of the housing or on one surface of the coupling member and exposed externally, in electrical connection to the battery, a temperature sensor electrically connected to the conductive member, and a circuit electrically connected to the battery, the conductive member, and the temperature sensor, wherein the circuit is configured to monitor a value of a current or a voltage received through the conductive member, and to charge the battery using the current or operate the temperature sensor, based on at least a part of the monitored value.

Abstract: A pressure sensing device having a Dirac material and a method of operating the same are provided. The pressure sensing device includes a Dirac material pattern disposed on a substrate and having a band structure in which Dirac cones meet at a Dirac point. A source electrode and a drain electrode are respectively connected to the Dirac material pattern. A spacer layer including a cavity on the Dirac material pattern is disposed on the substrate. A gate electrode overlapping the Dirac material pattern is disposed on the cavity.

Abstract: A strain sensor according to the present disclosure includes a flexible substrate, a rigid pattern on a side of the flexible substrate, and a conductive flexible pattern extending in a first direction on a side of the flexible substrate, in which the conductive flexible pattern overlaps the rigid pattern such that as the flexible substrate is compressed or stretched, the conductive flexible pattern is compressed or stretched, thereby changing electric resistance.

Abstract: A transmission (3) for an electric miniature drive or microdrive, having a transmission housing (9), an attachment flange (13) for attaching the transmission (3) to an application or load, a driven shaft (7), supported in at least one driven bearing (8), for driving the application. The driven shaft (7) is connectable via the transmission mechanism to the miniature drive or microdrive, and a torque measuring member (15) for the registration of the torque generated on the driven shaft (7) using a flexible element during operation of the miniature drive or microdrive. A magnetic encoder system (19) is disposed on the flexible element (17), which has a magnetic field measuring element (25) for measuring a rotatory displacement of the flexible element (17). The flexible element (17) is disposed axially between the transmission mechanism and the attachment flange (13).

Abstract: A torque detecting system is adapted to detect a setting torque of a torque providing apparatus. A torque driving apparatus is mounted on a stationary base to exert a resisting force on the torque providing apparatus. The setting torque of the torque providing apparatus corresponds to the resisting force. The torque detecting system comprises an angle detecting module and an operation device. The angle detecting module is mounted on the torque driving apparatus and outputs a detecting voltage. The operation device obtains a torque value via table-searching based on the detecting voltage. The torque value corresponds to the setting torque of the torque providing apparatus. The torque detecting system performs the torque detection through a non-contact detecting technique, such that detecting accuracy would not be affected after long term use.

Abstract: A pressure sensor device with a MEMS piezoresistive pressure sensing element attached to an in-circuit ceramic board comprises a monolithic ceramic circuit board formed by firing multiple layers of ceramic together. The bottom side of the circuit board has a cavity, which extends through layers of material from the ceramic circuit board is formed. A ceramic diaphragm, which is one of the layers, has a peripheral edge. The diaphragm's thickness enables the diaphragm bounded by the edge to deflect responsive to applied pressure. A MEMS piezoresistive pressure sensing element attached to the top side of the ceramic circuit board generates an output signal responsive to deflection of the ceramic diaphragm. A conduit carrying a pressurized fluid (liquid or gas) can be attached directly to the ceramic circuit board using a seal on the bottom of the ceramic circuit board, which surrounds the opening of the cavity through the bottom.

Abstract: Disclosed is an integrated circuit, comprising a semiconductor substrate carrying a plurality of circuit elements; and a pressure sensor including a cavity on said semiconductor substrate, said cavity comprising a pair of electrodes laterally separated from each other; and a flexible membrane over and spatially separated from said electrodes such that said membrane interferes with a fringe field between said electrodes, said membrane comprising at least one aperture. A method of manufacturing such an IC is also disclosed.

Abstract: A process variable indicator is provided. The process variable indicator includes a process variable sensor having an electrical characteristic that varies with the process variable. Measurement circuitry is coupled to the process variable sensor and is configured to provide an indication relative to the electrical characteristic. A processor is coupled to the measurement circuitry and is configured to compute a process variable based on the indication and determine, among a plurality of ranges, which range the process variable is within. The processor generates a local visual output based on the process variable and the determined range. A method of visually indicating a process variable is also provided.

Abstract: To improve connectivity with tubes to be connected to an inlet and an outlet of a flow passage, while increasing the rapidity of an operation of changing a fluid to be passed through the flow passage and also increasing the safety. Provided is a pressure detecting device including a pressure detecting unit detecting a pressure transmitted to a diaphragm, a flow passage unit having a diaphragm for transmitting a pressure of a fluid flowing through the flow passage to the diaphragm, and a nut for removably mounting the flow passage unit onto the pressure detecting unit. The nut mounts the flow passage unit onto the pressure detecting unit when a position of a positioning groove of the pressure detecting unit about an axis coincides with a position of a positioning projection of the flow passage unit about an axis.

Abstract: In one embodiment, a method is provided. The method includes receiving a plurality of signals representative of an engine noise transmitted via a plurality of noise sensors, wherein the noise sensors are disposed in a grid about an engine. The method further includes receiving a knock sensor signal representative of an engine noise transmitted via a knock sensor. The method additionally includes deriving a combustion event based on the knock sensor signal, and deriving an engine condition based on the plurality of signals and the combustion event. The method also includes communicating the engine condition.

Abstract: Systems and methods for accurately and precisely measuring the resistance of a resistive sensor of a matched resistive sensor pair disposed on opposite surfaces of a substrate. Certain embodiments include coupled each sensor of the matched resistive sensors to a thermally-isolated pair of reference resistors contained within an integrated circuit so as to form a Wheatstone bridge. A controller associated with the integrated circuit can adjust the resistance of the thermally-isolated pair of reference resistors until the ratio of resistances matches to the ratio of resistances between the sensors of the matched pair.

Abstract: A system for detecting a gas leak in a generator includes a source of carbon dioxide gas, and a subsystem for introducing the carbon dioxide gas into the generator. An infrared imaging device is adapted to communicate with a notification device to display an image of at least a portion of the generator and the carbon dioxide gas. The infrared imaging device is a cooled detector and a filter with a spectral response between about 3 ?m and about 5 ?m. At least one of the detector and the filter is cooled to between about ?80° C. and about ?200° C. The gas leak will be indicated on the notification device.

Abstract: Disclosed herein is a pipe assembly containing a pipe, an insulating jacket coupled to the pipe via an attachment base; and a tracer wire within the insulating jacket. The width of the attachment base is greater than width of the insulating jacket. Also disclosed herein are methods of locating a pipe concealed below a ground surface, and detecting the presence and the position of a leak in a pipe concealed below a ground surface.

Abstract: A vortex detection method is described. The method comprises storing a plurality of points at locations over a region (32) in which vortex detection is to be performed. A value for each of a plurality of fluid flow parameters, such as velocity, pressure and density, is determined at each point. The points are grouped as being contained in either a vortical flow portion or non-vortical flow portion of the region according to one or more statistical distribution for said fluid flow parameters. A point (p) in a vortex core is identified according to the direction of motion of an array of further points (46) relative to said point in the vortex core. The further points (46) may surround the vortex core point.

Abstract: A testing device includes: a face board allowing a thin-walled large-sized bearing as a test target to be installed thereon; a face board support mechanism supporting the face board such that the face board can be tilted about a tilting central shaft; an angle change drive device for changing a tilt angle of the face board; a bearing rotation motor for rotating an inner ring of the bearing; and a weight for generating a moment load to the bearing. The face board support mechanism and the angle change drive device are capable of changing the orientation of the face board in a range from a horizontal orientation through a vertical orientation to a tilted orientation. The face board is provided with a dedicated frame to be fitted to an outer circumference of the bearing and attached in a fitted manner to the face board.