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21
2021-12
The winter solstice, also known as "Winter Festival" and "Hedong", is one of the twenty-four solar terms in China and one of the eight astronomical solar terms, which is opposite to the summer solstice. The winter solstice begins when the sun reaches the ecliptic longitude 270°, around December 22 of the Gregorian calendar every year. According to legend, the winter solstice in the Zhou Dynasty in history was New Year's Day, which used to be a very lively day.
2021-12-21
20
2021-12
What are the characteristics of thermal calibrator? What are the functions of the instrument
What are the characteristics of thermal calibrator? Instruments can improve, extend or supplement human functions. People use their sense organs to see, hear, taste and touch the outside world, and instruments such as microscopes, telescopes, sound level meters, acidity meters, pyrometers, and vacuum centrifugal concentrators can improve and expand these functions. In addition, some instruments, such as magnetometers, ray counters, etc., can sense and measure physical quantities that cannot be felt by human sense organs, and some instruments can record, calculate and count beyond human capabilities, such as high-speed cameras, computers, etc.
2021-12-20
10
2021-12
A method of making a constant temperature oil tank
The utility model belongs to the technical field of oil storage devices, in particular to a constant temperature oil tank. Oil tanks are widely used tools in chemical, petroleum, pharmaceutical, biological and other industries. Experiments and tests are carried out in the fields of chemistry, metrology, colleges and universities, electronic instruments, and scientific research institutions. Use a place where the temperature is controlled and the temperature is uniform to conduct constant temperature test or test on the sample or product. The constant temperature lees control system adopts PID automatic control and LED digital display, and its external circulating pump can output the constant temperature liquid in the lees to the outside, which expands the scope of application. The existing fuel tank constant temperature control effect is poor, the movement and use are inconvenient, the safety protection factor is low, and the cover cannot be automatically opened and closed. Therefore, it is very necessary to invent a constant temperature oil tank.
2021-12-10
19
2021-11
A kind of manufacturing method of constant temperature oil tank with good thermal insulation effect
The utility model relates to the technical field of constant temperature liquid tanks, in particular to a constant temperature oil tank with good heat preservation effect for constant temperature heating. As the name suggests, a thermostatic bath is a bath that provides constant temperature. It can be divided into constant temperature air tank and constant temperature liquid tank, which is a constant temperature liquid. The tank is widely used in aviation, aerospace, shipbuilding, information, electronics and other fields.
2021-11-19
09
2021-11
Detailed explanation of multifunctional thermal calibrator
The MC6 is a high precision pressure calibrator, thermal calibrator and spreader. It has calibration functions for pressure, temperature and various electrical signals. The MC6 is also a communicator that supports multiple bus protocols. A secure version is also available. 5.7-inch color touch screen, multi-language operation interface, including Chinese interface. The IP65-rated dust- and water-resistant housing is ergonomically designed and lightweight for on-site portability.
2021-11-09
26
2021-10
Brief Analysis of Thermal Calibration Instrument of Process Instruments
The thermal calibrator is a desktop comprehensive verification instrument with built-in high-capacity lithium-ion battery for power, measurement and output parameters and physical parameters. In addition to current, voltage, millivolt and frequency signals, there are 8 thermocouples (J, K, T, E, B, R, S, L, N) and 6 thermal resistances (PT1000, PT200, Cu50 can output Current signal
2021-10-26
13
2021-10
How to operate the current transformer on-site thermal calibrator
The on-site thermal calibrator of the current transformer is an important part of the power system measurement equipment. The accuracy of the thermal calibrator directly affects the accuracy of the electricity bill measurement for the user of the measurement equipment. Therefore, the regular inspection of the current transformer on-site thermal calibrator is what the power sector does. At present, most of the traditional transformer inspection methods in China use relatively poor methods. That is, the secondary load (usually in lieu of the load load) of the transformer inspected when the transformer is inspected is compared to a standard transformer of the same scale. The booster (voltage) supplies the quantum with current (voltage), and the quantum's secondary (differential voltage) signal is input to the checker. This inspection method requires a high current (voltage) power supply unit, a standard transformer and load bank of the same scale. When the primary current is greater than 1000A, the power supply device reaches tens of kilovolt amperes, which is bulky, difficult to wire, and inconvenient to verify the transformer on site.
2021-10-13
09
2021-10
What matters should be paid attention to in the use of the refrigeration thermostat
Before using a refrigerated bath, refrigerated baths place a liquid medium in the tank. The liquid level is 30mm below the workbench, and the heater is not enough to energize it so as not to burn out.
2021-10-09
24
2021-09
What is the function of the refrigeration thermostat? In what areas is it mainly applicable?
Refrigeration constant temperature bath is an ideal temperature detection experimental instrument and constant temperature experimental instrument with computer intelligent control, PID self-adjustment adjustment, high temperature control accuracy, small temperature fluctuation, high cooling efficiency, low noise, and stable operation. Safety. The low temperature temperature control tank can be divided into vertical low temperature constant temperature and horizontal low temperature temperature control tank in appearance design. At present, there are many factories producing refrigerated thermostatic baths on the market. Although the specifications are also different, factories classified as DC are more common.
2021-09-24
08
2021-09
Thermocouple Calibration Furnace: An Introduction to Thermocouple Calibration Furnaces
Thermocouple calibration furnace is one of the main components of the thermocouple detection device. It forms a complete detection device with the watt-hour meter and the standard thermocouple matched with the temperature control device. Measures various industrial thermocouples. In the laboratory, this tubular laboratory furnace can also be used for chemical analysis and physical measurements. The automatic temperature control device of the thermocouple detection furnace is adopted, and the temperature controller realizes the automatic temperature control according to the PID adjustment method. The following are special inspections and calibrations for inspection equipment.
2021-09-08
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