Laboratory environmental parameter comprehensive measuring instrument and method for measuring gravity acceleration

Abstract

The invention provides a laboratory environmental parameter comprehensive measuring instrument, which comprises an operational control module, a humidity measuring module, an illumination module, an air pressure module, a magnetic declination measuring module, a temperature measuring module, a position measuring module, an LCD display module and a button. The humidity measuring module, the illumination module, the air pressure module, the magnetic declination measuring module, the temperature measuring module, the position measuring module, the LCD display module and the button are all respectively in signal electrical connection with the operational control module. The position measuring module comprises a GPS signal receiver for receiving latitude and longitude information and also altitude information. The gravitational acceleration measuring method of the measuring instrument mainly comprises the steps of extracting latitude information and altitude information received by the position measuring module through the operational control module; and correspondingly calculating the gravitational acceleration value in line with built-in programs and algorithm. The measuring instrument integrates functions of measuring a plurality of parameters including the temperature, the humidity, the illumination intensity, the magnetic declination, the atmospheric pressure and the gravitational acceleration, etc. Furthermore, the comprehensive measuring instrument has the advantages of simple operation, easy carrying, cost decrease and strong applicability.

Description

technical field [0001] The invention relates to an environmental parameter measuring device, in particular to a laboratory environmental parameter comprehensive measuring instrument and a method for measuring the acceleration of gravity. Background technique [0002] Environmental parameters such as gravitational acceleration, temperature, humidity, light intensity, magnetic declination, and atmospheric pressure play an important role in the accuracy of experimental results in physical, chemical, and biological laboratories, and sometimes even directly affect the accuracy of experimental results. no. The usual way for laboratories to measure these environmental parameters is to use corresponding special measuring instruments or tools for different environmental parameters to test one by one, which is rather cumbersome. Among these parameters, especially the measurement of gravitational acceleration g value is time-consuming and labor-intensive. The accurate determination o...

AI Technical Summary

Problems solved by technology

At present, the measurement of the g value of the acceleration of gravity usually adopts simple pendulum measurement, conical pendulum measurement, drip method measurement, chute measurement, dot timer measurement, free fall measurement and weighing method to calculate after weighing the known mass of the law Measurement and other methods, the steps of these measurement methods are cumbersome, time-consuming, many measurement tools are required, and a lot of labor is required. Sometimes in order to improve the accuracy of an order of magnitude, the cost of invested equipment increases geometrically, which is not economical and convenient.

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