Abstract: A pyranometer is provided which can measure the precise amount of solar radiation/solar irradiance continuously and stably while suppressing the generation of dew or frost by a simple configuration even in changing external environment. A pyranometer includes: a housing having an opening, and having thermal conductivity; a dome provided at the opening, and having light transmittance; a sensor part provided in an internal space formed by the housing and the dome, and for measuring an intensity of a sunlight made incident through the dome; and a heat generating element provided heat conductably to a part of the housing, opposite to the opening across the internal space.

Abstract: A pyranometer is provided which can measure the precise amount of solar radiation/solar irradiance continuously and stably while suppressing the generation of dew or frost by a simple configuration even in changing external environment. A pyranometer includes: a housing having an opening, and having thermal conductivity; a dome provided at the opening, and having light transmittance; a sensor part provided in an internal space formed by the housing and the dome, and for measuring an intensity of a sunlight made incident through the dome; and a heat generating element provided heat conductably to a part of the housing, opposite to the opening across the internal space.

Abstract: A meteorological lidar performs highly precise meteorological observation by primarily removing elastically scattered light and by detecting rotational Raman-scattered light without filtering it out. The meteorological lidar according to embodiments measures scattered light of a laser beam, and includes: a diffraction grating diffracting rotational Raman-scattered light contained in scattered light in accordance with the wavelength of rotational Raman-scattered light; a detector detecting the diffracted rotational Raman-scattered light; and a removing element primarily removing elastically scattered light of a specific wavelength contained in the scattered light.

Abstract: An optical receiver for a meteorological lidar capable of accurate measurement of scattered light generated by emitting a laser beam of the UVC range (wavelength of 200 to 280 nm) into the air, without using a diffraction grating, is provided. The optical receiver for a meteorological lidar that emits a laser beam of a specific wavelength in the UVC range into the air and measures scattered light generated by the laser beam includes a reflector that reflects incident light to a predetermined direction, and a spectrometer that isolates a specific wavelength from incident light from the reflector, wherein the spectrometer includes interference filters.

Abstract: A meteorological lidar performs highly precise meteorological observation by primarily removing elastically scattered light and by detecting rotational Raman-scattered light without filtering it out. The meteorological lidar according to embodiments measures scattered light of a laser beam, and includes: a diffraction grating diffracting rotational Raman-scattered light contained in scattered light in accordance with the wavelength of rotational Raman-scattered light; a detector detecting the diffracted rotational Raman-scattered light; and a removing element primarily removing elastically scattered light of a specific wavelength contained in the scattered light.

Abstract: The object of the invention is to provide a thermal conductivity measuring device that comprises a heat generator arranged in such a way as to come into contact with an object to be measured for thermal conductivity, a heat resistant material arranged in such a way as to come into contact with the heat generator, at least one pair of differential thermocouples for measuring a voltage value caused by the difference in temperature of two points of the heat resistant material, the temperature being generated by allowing heat to flow from the heat generator, and a calculating device for calculating the time rate of change of output voltage of the differential thermocouples and then calculating the thermal conductivity of the object to be measured on the basis of the calculated time rate of change.

Abstract: A meteorological lidar capable of measuring vertical distributions of temperature, water vapor concentration, aerosol, wind direction/wind speed, ozone concentration, CO2 concentration, etc., stably and continuously day and night is provided. A meteorological lidar that emits a laser beam of a specific wavelength into the air and measures scattered light generated by the laser beam includes an optical system that emits a laser beam into the air, and a dust-proof part that makes an enclosing space of the optical system clean.

Abstract: The object of the invention is to provide a thermal conductivity measuring device that comprises a heat generator arranged in such a way as to come into contact with an object to be measured for thermal conductivity, a heat resistant material arranged in such a way as to come into contact with the heat generator, at least one pair of differential thermocouples for measuring a voltage value caused by the difference in temperature of two points of the heat resistant material, the temperature being generated by allowing heat to flow from the heat generator, and a calculating device for calculating the time rate of change of output voltage of the differential thermocouples and then calculating the thermal conductivity of the object to be measured on the basis of the calculated time rate of change.

Abstract: A pyranometer comprises: a light sensor; a first lens arranged to face a light-receiving surface of the light sensor; and a light-shielding ring arranged between the light sensor and the first lens, the light-shielding ring having a light-transmissive region allowing transmission of light at some angles of incidence in the light passing through the first lens.

Abstract: A pyranometer, comprises a thermal sensor, and a diffusing member positioned so as to be opposed to a receiving surface of the thermal sensor.

Abstract: The invention provides a pyranometer with a fast response time, a reduced offset amount, and reduced impacts from harsh outside environment and an enhanced long-term stability, as well as an excellent cosine response. The pyranometer has: a silicon-based thermopile sensor, which is sealed airtight in a CAN package and positioned opposed to the receiving surface of the thermopile sensor; and diffusing member that is positioned so as to be opposed to a receiving surface of the thermopile.

Abstract: The invention provides a pyranometer with a fast response time, a reduced offset amount, and reduced impacts from harsh outside environment and an enhanced long-term stability, as well as an excellent cosine response. The pyranometer has: a silicon-based thermopile sensor, which is sealed airtight in a CAN package and positioned opposed to the receiving surface of the thermopile sensor; and diffusing member that is positioned so as to be opposed to a receiving surface of the thermopile.

Abstract: A pyranometer, comprises a thermal sensor, and a diffusing member positioned so as to be opposed to a receiving surface of the thermal sensor.

Abstract: The present invention provides a rolling mat which is easy to roll, which is sanitary and which enables the right amount of force of pressing food material to be readily determined. A rolling mat includes: a plurality of rod-like rib parts arranged in a direction Y in which food material is rolled; and a knitted string part that connects the plurality of rib parts 12 with each other by knitting a string material part so as to sandwich the rib parts, wherein the rib parts are formed of a plastic material and/or a metal material having hardness that is at least greater than silicone resin, and the knitted string part is made of man-made monofilament fiber or high molecular weight polyethylene fiber produced by stretching polyethylene resin having a high molecular weight into fibers.

Abstract: The present invention provides a rolling mat which is easy to roll, which is sanitary and which enables the right amount of force of pressing food material to be readily determined. A rolling mat includes: a plurality of rod-like rib parts arranged in a direction Y in which food material is rolled; and a knitted string part that connects the plurality of rib parts with each other by knitting a string material part so as to sandwich the rib parts, wherein the rib parts are formed of a plastic material and/or a metal material having hardness that is at least greater than silicone resin, and the knitted string part is made of man-made monofilament fiber or high molecular weight polyethylene fiber produced by stretching polyethylene resin having a high molecular weight into fibers.

Abstract: A duct is provided which there is no need to attach any reinforcing material to. This duct has a hollow 5 formed by joining a plurality of flat wall plates 11 to 14 so that the interior surfaces of the wall plates 11 to 14 face each other. The duct is provided with four folded portions including a strip-shaped folded portion 11C, 12C formed by folding each wall plate 11 to 14 on the side of the exterior surface of each wall plate 11 to 14.