Abstract: A high temperature dry block temperature calibrator relates to the technical field of temperature calibration. The high temperature dry block temperature calibrator includes a high temperature furnace, a control board module, a system board module, a measuring board module, a lower support, and a housing. The high temperature furnace and the control board module are mounted on the lower support. The system board module and the measuring board module are mounted on the front side surface of the housing. The housing is clipped to the periphery of the lower support and the high temperature furnace and the control board module are accommodated in the housing. The modules are independent of each other and can be removed separately, thereby facilitating maintenance and replacement. The high temperature dry block temperature calibrator can be used for calibrating the temperature of a high temperature element to be measured.

Abstract: A flow guiding and heat dissipating type dry block temperature calibrator, which belongs to the temperature calibration field. The temperature calibrator includes a furnace body located in a housing and at least one air flow generating device. The air flow generating device is on one side or at the periphery of the furnace body, and is one or a combination of a gas passage, a flow guiding fan, an air pump and a blower. The air flow generated by the air flow generating device is blown toward a handle of a device being tested that is inserted in the furnace body, such that the handle is cooled, thereby preventing the sensor inside the handle from failing due to high temperature, facilitating the heat dissipation of the internal electronic components of the instrument itself, and extending the service life of the temperature calibrator.

Abstract: A method for calibrating a short temperature measuring device using a dry body temperature calibrator; wherein a heat soaking block is placed in the furnace of the dry body temperature calibrator, and two temperature measuring holes are in the heat soaking block, the bottom of the furnace includes a temperature control element. This method includes electrically connecting the first standard temperature sensor to the temperature control element through the measuring module and the control module sequentially to form a closed-loop for temperature feedback control, accurately controlling the temperature of the temperature measuring hole, and calculating the temperature difference between the temperature sensor to be calibrated and the standard temperature sensor in the two temperature measuring holes respectively.

Abstract: A low-temperature dry body temperature calibrator used for temperature calibration of an element, and including a furnace body, a control panel assembly and a housing of modular design, the furnace body and control panel are assembled in the housing, the top surface of the housing has a plurality of heat dissipation holes, the top of the control panel assembly is spaced apart from the top surface of the housing, a flow guiding fan is at the top of the control panel assembly, and a flow guiding plate inclined to the heat dissipation holes on the top surface of the housing is above the flow guiding fan. The furnace body has a compact structure, and the radiators have a light weight and a high heat dissipation efficiency, improving the operation stability and temperature measurement accuracy of the furnace body, and the furnace body is suitable for temperature measurement of low-temperature elements.

Abstract: A crimp terminal (100, 101, 102, 103), a crimp terminal module (200), a terminal box and a tester. The crimp terminal is used for connecting to a wiring end of a sensing element. A press button (03) of the crimp terminal is pressed to drive a wiring port (010), formed by attaching a first attachment sheet (05) to a second attachment sheet (08), to open, so as to insert the wiring end of the sensing element into the wiring port. Compared with a traditional screwing means, the crimp terminal can reduce heat generated by friction and reduce the contact potential between a plug and the terminal, and facilitates improving working efficiency of batch detection.

Abstract: A method and a device for detecting the switching value of a pressure switch. The device comprises: a pressure generator in communication with a pressure switch by means of pressure piping, a pressure control element, a pressure sensor, and a controller provided with a data processing unit. The pressure sensor is installed on the pressure piping and is electrically connected to the controller. The pressure control element is electrically connected to the pressure generator to control the pressure generator, and is electrically connected to the controller. The pressure sensor transfers the pressure change of the pressure piping to the controller in real time, the data processing unit acquires the value of the pressure change and generates a control instruction according to a preset pressure change rule, and the pressure control element controls the pressure generator to change the pressure within the piping.

Abstract: A fully-automated handheld pressure calibrator, comprising a housing, and gas circuit and electrical circuit components installed in the housing. The gas circuit components comprise a pressure source capable of supplying a pressurized gas. The gas circuit and electrical circuit components are integrated and installed in the housing in a modular manner, and the shape of the housing is suitable to be held in a hand. The pressure calibrator of the present invention enables all kinds of functions including pressure generation, pressure control, pressure instrument connection, and recording, result calculation, and report output of a pressure calibration process, and is suitable for on-site an on-line calibration of a pressure instrument.

Abstract: A flow guiding and heat dissipating type dry block temperature calibrator, which belongs to the temperature calibration field. The temperature calibrator includes a furnace body located in a housing and at least one air flow generating device. The air flow generating device is on one side or at the periphery of the furnace body, and is one or a combination of a gas passage, a flow guiding fan, an air pump and a blower. The air flow generated by the air flow generating device is blown toward a handle of a device being tested that is inserted in the furnace body, such that the handle is cooled, thereby preventing the sensor inside the handle from failing due to high temperature, facilitating the heat dissipation of the internal electronic components of the instrument itself, and extending the service life of the temperature calibrator.

Abstract: A method for calibrating a short temperature measuring device using a dry body temperature calibrator; wherein a heat soaking block is placed in the furnace of the dry body temperature calibrator, and two temperature measuring holes are in the heat soaking block, the bottom of the furnace includes a temperature control element. This method includes electrically connecting the first standard temperature sensor to the temperature control element through the measuring module and the control module sequentially to form a closed-loop for temperature feedback control, accurately controlling the temperature of the temperature measuring hole, and calculating the temperature difference between the temperature sensor to be calibrated and the standard temperature sensor in the two temperature measuring holes respectively.

Abstract: A pressure calibration apparatus and a pressure instrument calibration information processing method, belonging to the field of pressure instrument measurement and calibration. The pressure calibration apparatus comprises: a pressure calibration unit (1) externally connected to the calibrated pressure instrument (100); a main control unit (2), which is electrically connected to the pressure calibration unit (1); a communication module (3) that is electrically connected to the main control unit (2), and carries out data interaction with a remote database (300) through a network (200). The pressure calibration apparatus can be in a real-time communication connection with the remote database (300), and implements on-field real-time downloading of historical calibration data and calibration schemes of the calibrated pressure instrument (100) and real-time uploading of current calibration data.

Abstract: A low-temperature dry body temperature calibrator used for temperature calibration of an element, and including a furnace body, a control panel assembly and a housing of modular design, the furnace body and control panel are assembled in the housing, the top surface of the housing has a plurality of heat dissipation holes, the top of the control panel assembly is spaced apart from the top surface of the housing, a flow guiding fan is at the top of the control panel assembly, and a flow guiding plate inclined to the heat dissipation holes on the top surface of the housing is above the flow guiding fan. The furnace body has a compact structure, and the radiators have a light weight and a high heat dissipation efficiency, improving the operation stability and temperature measurement accuracy of the furnace body, and the furnace body is suitable for temperature measurement of low-temperature elements.

Abstract: A high temperature dry block temperature calibrator relates to the technical field of temperature calibration. The high temperature dry block temperature calibrator includes a high temperature furnace, a control board module, a system board module, a measuring board module, a lower support, and a housing. The high temperature furnace and the control board module are mounted on the lower support. The system board module and the measuring board module are mounted on the front side surface of the housing. The housing is clipped to the periphery of the lower support and the high temperature furnace and the control board module are accommodated in the housing. The modules are independent of each other and can be removed separately, thereby facilitating maintenance and replacement. The high temperature dry block temperature calibrator can be used for calibrating the temperature of a high temperature element to be measured.

Abstract: A method and a device for detecting the switching value of a pressure switch. The device comprises: a pressure generator in communication with a pressure switch by means of pressure piping, a pressure control element, a pressure sensor, and a controller provided with a data processing unit. The pressure sensor is installed on the pressure piping and is electrically connected to the controller. The pressure control element is electrically connected to the pressure generator to control the pressure generator, and is electrically connected to the controller. The pressure sensor transfers the pressure change of the pressure piping to the controller in real time, the data processing unit acquires the value of the pressure change and generates a control instruction according to a preset pressure change rule, and the pressure control element controls the pressure generator to change the pressure within the piping.

Abstract: An instrument calibration apparatus and a calibration method using same. The apparatus comprises a physical quantity input/output unit, a physical quantity measurement unit, a physical quantity configuration unit, a display unit, a man-machine interaction unit, a storage unit, and a control unit. The apparatus can be widely applied to automatic calibration of multivariable instruments.

Abstract: A fully-automated handheld pressure calibrator, comprising a housing, and gas circuit and electrical circuit components installed in the housing. The gas circuit components comprise a pressure source capable of supplying a pressurized gas. The gas circuit and electrical circuit components are integrated and installed in the housing in a modular manner, and the shape of the housing is suitable to be held in a hand. The pressure calibrator of the present invention enables all kinds of functions including pressure generation, pressure control, pressure instrument connection, and recording, result calculation, and report output of a pressure calibration process, and is suitable for on-site an on-line calibration of a pressure instrument.

Abstract: A turn-back coaxial gas pressurizing pump and gas pressurizing method using the same, relate to the field of gas pressure boosting. The turn-back coaxial gas pressurizing pump includes a primary cylinder, a primary piston, a secondary cylinder serving as a rod of the primary piston, a pressure bar, an air pump bonnet, a secondary piston and a piston rod. The primary cylinder, the secondary cylinder and the piston rod are arranged coaxially. A rear end of the piston rod extends through a first non-returning adaptive valve provided in the primary piston and is fixed on the bottom wall of the primary cylinder. As a result, the two pistons move in opposite directions to boost the pressure.

Abstract: Provided is a multi-range field full-automatic pressure and electric signal calibrating instrument, comprising: control components such as a shell, a power switch, multiple-interfaces, a display, a keyboard, and a gas pressure generating unit, a power supply unit, a pressure detecting unit, a gas pressure control unit and an electric signal detecting unit; the pressure output end of the pressure control unit is in parallel connection with pressure joints which are used for installing multiple pressure standard meters and detected meters with different ranges; the pressure control unit is in signal connection with the pressure standard meters; the electric signal detecting unit is in signal connection with the pressure control unit and the detected meters; the power supply unit can supply power by batteries.

Abstract: A multi-range on-site full-automatic pressure calibration instrument includes a housing, a power switch, a plurality of interfaces, a display, a keyboard, a gas pressure generation unit, a power supply unit, a pressure detection unit and a gas pressure control unit. The gas pressure generation unit is a gas pressurizing pump communicated with atmosphere. A pressure output port of the pressure control unit is in parallel connection with pressure connectors used for installation of a plurality of pressure standard devices with different ranges and a calibrated gauge. The pressure control unit is in signal connection with the pressure standard device. The power supply unit can supply power by batteries. The calibration instrument does not need to be externally connected with a gas cylinder or an alternating current power supply and can automatically generate a gas pressure and generate an accurate standard pressure.

Abstract: A multi-range on-site full-automatic pressure and electric signal calibration instrument includes a housing, a power switch, a plurality of interfaces, a display, a keyboard, a gas pressure generation unit, a power supply unit, a pressure detection unit, a gas pressure control unit and an electric signal detection unit. A pressure output port of the pressure control unit is in parallel connection with pressure connectors used for installation of a plurality of pressure standard devices with different ranges and a calibrated gauge. The pressure control unit is in signal connection with the pressure standard device. The electric signal detection unit is in signal connection with the pressure control unit and the calibrated gauge; and the power supply unit can supply power by batteries. The calibration instrument does not need to be externally connected with a gas cylinder or an alternating current power supply.

Abstract: Provided is a multi-range field full-automatic pressure and electric signal calibrating instrument, comprising: control components such as a shell, a power switch, multiple-interfaces, a display, a keyboard, and a gas pressure generating unit, a power supply unit, a pressure detecting unit, a gas pressure control unit and an electric signal detecting unit; the pressure output end of the pressure control unit is in parallel connection with pressure joints which are used for installing multiple pressure standard meters and detected meters with different ranges; the pressure control unit is in signal connection with the pressure standard meters; the electric signal detecting unit is in signal connection with the pressure control unit and the detected meters; the power supply unit can supply power by batteries.