A method for determining capacitance includes alternately charging a capacitor to a first voltage and discharging the capacitor to a second voltage, generating an output signal having a frequency that is a function of a time period, and determining the capacitance based on the frequency of the output signal. The time period is selected from at least one of: (a) a time period needed to charge the capacitor from the second voltage to the first voltage and (b) a time period needed to discharge the ...

A measuring apparatus includes a sensor well unit having a plurality of sample wells, which are formed in a dielectric block and a thin film layer provided on the inner bottom surface of each sample well. A light beam projector causes a plurality of light beams to impinge upon the interfaces of the inner bottom surfaces of one-dimensionally arranged sample wells out of the plurality of sample wells and the thin film layers at various angles of incidence so that total internal reflection conditio...

In a surface plasmon resonance sensor, a sensor unit includes a dielectric block, a thin film layer which is formed on the upper surface of the dielectric block, and a sample holding portion. An incubator is provided, the surface plasmon resonance sensor is spatially isolated from the surroundings by placing it in the measuring system, the temperature of the measuring system is measured and temperature change of the sensor unit after it is conveyed to the measuring system from the incubator is e...

A device for measuring at least one property of a material web, in particular a paper or board web, includes movable measuring probes provided on both sides of the web, which can be pressed against the web with preferably at least substantially equal force, forming a respective air pad, elements for measuring the air pads, in particular the air pad thickness, on both sides, and at least one property sensor, in particular a paper property sensor, fitted to a measuring probe supported by an air pa...

A measuring instrument (1) has an arm (4) having a detector at a distal end thereof, and an arm guide (53) supporting the arm (4) in a manner movable in the axial direction thereof, the measuring instrument measuring a dimension of a workpiece based on the position of the detector. The arm (4) includes a main arm (41) and a sub-arm (42) that are sequentially arranged in the arm guide (53) and are supported in a manner movable relative to a former component thereof. The measuring instrument (1) h...

According to the measuring head, the zero point and the amount of front travel settings are facilitated. Firstly, the amount of front travel is set by allowing contacts 34, 34 to abut a master 50. Then, rotating the lever 42 in a direction indicated by an arrow E, or a close position, causes the bearing member 36 to be fastened to the swinging support shaft 28. At this time, a restoring force, or a force caused by reaction, of the bearing member 36 transferred from the bearing member 36 through ...

A measuring system according to the present invention includes a biosensor 29, a measuring device 54 for assaying a specified component in a biological sample applied to the sensor 29, optional indicating equipment 56 which can be removed from the measuring device 54 and announces a measurement result by the measuring device 54 or the like by voice, and a guide 50 for guiding a target to be measured to the sensor 29. According to this measuring system, it is possible to remove the difficulty of ...

The present invention relates to apparatuses for use in performing a quantitative analysis of a turbid pharmaceutical sample, e.g. a tablet, a capsule or a similar sample forming a pharmaceutical dose. A pharmaceutical, turbid sample (24, 57, 67) is irradiated with an excitation beam (20, 53, 64) of radiation, e.g. near infrared radiation. The intensity of emitted radiation (30) from the sample (24, 57, 67) is detected as function of both the wavelength of the emitted radiation and the photon pr...

A unit damper apparatus 18 is used as a damper apparatus 18 which absorbs an impact and a vibration conveyed from a contact 14 to a seesaw member 12, and a structure of this unit damper apparatus 18 is the structure which absorbs circular movement of the seesaw member 12 or performs the circular movement in accordance with that of the seesaw member 12, where a damper effect does not fluctuate according to an angle of inclination of the seesaw member 12.

A measuring apparatus has a display unit that can be favorably viewed when a measured object is clamped by a clamp-type sensor regardless of the orientation and position of the measured object. The measuring apparatus includes a first main unit on which the clamp-type sensor is disposed and a second main unit that is rotatably connected to the first main unit and on which the display unit is disposed. The second main unit is connected to the first main unit via a hinge unit capable of maintainin...