摘要:
A humidity measuring device (10) is equipped with a temperature and humidity measurement unit (26) including a temperature sensing element that measures temperature and a humidity sensing element that measures humidity, a casing (12) having an accommodating section (20) in which the temperature and humidity measurement unit is accommodated, and a supply tube (22) that supplies a gas at a measurement location into the accommodating section, and a display unit (14) having a display device (54), and which is fixed to the casing. The display unit (14) further includes a display control unit (52) that controls the display device (54) to thereby cause the display device (54) to display at least one of the humidity of the gas measured by the humidity sensing element, or a dew point temperature of the gas calculated based on the temperature of the gas measured by the temperature sensing element, and the humidity of the gas measured by the humidity sensing element.
摘要:
The invention relates to an apparatus (10) for determining the moisture of a sample comprising a solid mixture, comprising – at least one sample chamber (14) for receiving the sample, at least one sensor (26, 28) for measuring a characteristic of a gas mixture surrounding the sample and a determination device (36) for determining the moisture of the sample from the at least one characteristic. According to the invention, provision is made for the apparatus (10) to comprise an measurement chamber (12) which may be evacuated and which, in terms of flow, is selectively separable from the at least one sample chamber (14) or connectable to the sample chamber (14), wherein the at least one sensor (26, 28) is configured to measure the characteristic of the gas mixture in the measurement chamber (12). The invention furthermore relates to a corresponding method for determining the moisture of a sample comprising a solid mixture.
摘要:
An object of the present invention is to provide a continuous galvanizing line with which a galvanized steel sheet having excellent zinc coatability can be steadily manufactured by preventing the oxidation of the surface of the steel sheet with certainty in an annealing furnace. A continuous galvanizing line having an annealing furnace of an all radiant tube heating type, the line consisting of a moisture removal device with which an atmospheric gas in the annealing furnace is collected and moisture is removed from the gas and then the gas is returned to the furnace, dew-point meters with which the dew-point of the atmospheric gas is observed, outlets through which the atmospheric gas in the furnace is collected and inlets through which the atmospheric gas from which moisture has been removed with the moisture removal device is fed into the furnace, the dew-point meters and the outlets being placed at least at two points which respectively exist on a side wall in the vicinity of the entrance of the annealing furnace and on a side wall in the vicinity of the furnace top or the furnace bottom at a position where a steel sheet has a maximum end-point temperature, the inlets being placed at two points which respectively exist on side walls on the sides opposite to the sides of the two points for the outlets in the height direction of the furnace, making it possible to steadily control the dew-point of the atmospheric gas to be -45°C or lower and -80°C or higher throughout the whole area of the annealing furnace.
摘要:
To provide a low-cost and highly reliable indoor unit and an air-conditioning apparatus having the same by obtaining a dew point temperature at the outlet side without installing a humidity sensor and a dew point temperature detector at the outlet side. An indoor unit 1 includes: an evaporator 1, a blower 1, a suction air temperature detector 6 that detects a suction air temperature at the upstream side of an air flow of the evaporator 3, an outlet air temperature detector 5 that detects an outlet air temperature at the downstream side of the air flow of the evaporator 3, an evaporator inlet fluid temperature detector 14 that detects a fluid temperature at the fluid inlet side of the evaporator 3, an adjustment valve 9 that adjusts a flow amount of the fluid made to flow into the evaporator 3, and a controller 4 that calculates a suction air dew point temperature by suction air temperature information detected by the suction air temperature detector 6 to calculate an outlet air dew point temperature based on the suction air dew point temperature, the suction air temperature, the outlet air temperature, and the evaporator inlet piping temperature.
摘要:
The device for measuring the relative humidity on the inside (12) of a vehicle (10) is provided with a condensation sensor (28) for detecting moisture precipitated on a condensation surface (16) on the inside (12) of the vehicle (10) and with a condensation surface temperature sensor (30) for measuring the temperature of the condensation surface (16). The device further comprises a moisture sensor (32) for measuring the relative humidity of the air on the inside (12) of the vehicle (10) and an air temperature sensor (34) for measuring the temperature of the air on the inside (12) of the vehicle (10). The device is provided with an evaluation unit (26), which receives the signals of all sensors and, for the purpose of calibrating the moisture sensor (32), associates the output signal of the moisture (32), which the moisture sensor emits if moisture that has precipitated on the condensation surface (16) is detected by the condensation sensor (28), with the relative humidity that is obtained by computation from the output signals of the condensation surface temperature sensor (30) present in this state and the air temperature sensor (34).
摘要:
The aim of the invention is to provide a method and a system that allow, in situ and in real time, to make a statement on the actual value of process parameters and on the accuracy of the measurement. For this purpose, the operating parameters of a sensor are adjusted to its gentle values and are brought for a selected measuring time to the values suitable for an optimum measurement. The invention relates to a method and a system for determining the parameters of a process medium, especially for determining the concentration of one or more gases using at least one gas-sensitive sensor.
摘要:
A humidity measuring device (10) is equipped with a temperature and humidity measurement unit (26) including a temperature sensing element that measures temperature and a humidity sensing element that measures humidity, a casing (12) having an accommodating section (20) in which the temperature and humidity measurement unit is accommodated, and a supply tube (22) that supplies a gas at a measurement location into the accommodating section, and a display unit (14) having a display device (54), and which is fixed to the casing. The display unit (14) further includes a display control unit (52) that controls the display device (54) to thereby cause the display device (54) to display at least one of the humidity of the gas measured by the humidity sensing element, or a dew point temperature of the gas calculated based on the temperature of the gas measured by the temperature sensing element, and the humidity of the gas measured by the humidity sensing element.