它由校准系统、恒压式气体微流量计和抽气系统组成。
It is composed of a calibration system, a gas flowmeter and pumping system.
静重试验器用于测量气体或液体的压力，也可以生成一个众多压力仪器的校准试验压力。
Deadweight testers are used to measure the pressure exerted by gas or liquid and can also generate a test pressure for the calibration of numerous pressure instruments.
介绍了恒压式气体微流量计的组成和校准原理。
The structure and calibration theory of a constant pressure gas micro-flowmeter are introduced.
介绍了气体微流量标准装置对漏率的校准方法。
The calibration method of leakage rate with the gas low range standard apparatus is introduced.
考虑到气体温度变化，给出了对校准压力进行温度修正的方法。
It deduced the way to do the temperature corrections in calculating calibration pressure when considering the gas temperature change.
生产或供应气体、液体及电力用的计量仪表，包括它们的校准仪表。
Gas, liquid or electricity supply or production meters, including calibrating meters thereof.
在漏孔校准过程中，通过调节稳压室中的压力，很容易使标准气体流量与漏孔漏率非常接近或相等，从而避免四极质谱计的非线性影响。
In calibrating the leak, the pressure in the ballast chamber can be precisely controlled in such a way that the standard gas flow through the orifice is close or equal to the leak rate.
介绍了自校准、低功耗气体测试仪的硬件和软件设计。
This paper introduces the hardware and software design of the gas detector with self-calibrated and low power.
天然气的控制面板：气体分析，流量和压力测量传感器，校准和安全功能。
A gas control panel with: gas analyzing, flow and pressure measuring transducers, calibration and safety features.
恒压式气体微流量计(CPFM)被多个国家级实验室选作为计量学设备，用来校准真空规和真空漏孔。
The constant pressure flowmeters (CPFMs) were used to calibrate vacuum leaks and vacuum gauges in some national laboratories.
将合成校准光谱和实验测得的光谱进行非线性最小二乘拟合，得到了不同温度下标准气体CO浓度。
With the nonlinear least squares fit between measured spectra and calibration spectra, standard gas concentrations of co at different temperatures are obtained.
空气校准器被改造成一台标准的气体流量计并成功地应用于其它小量程气体流量计的校准。
The air calibrator was reformed as a standard air flowmeter, and it was used to calibrate other small range air flowmeter.
正压漏孔校准装置可采用定容法和定量气体动态比较法进行正压漏孔的校准。
The methods of the constant volume and the dynamic comparison of quantitative gas are used in the calibration apparatus of pressure leak to calibrate the pressure leak.
气体分析。动态体积法制备校准用混合气体。第10部分：渗透法。
Gas analysis. Preparation of calibration gas mixtures using dynamic volumetric methods. Part 10: Permeation method.
该便携式湿度发生器利用分流法湿度发生原理，采用微控制器和质量流量控制技术实现了自动发生不同流量、不同露点气体的功能，可为露点测试仪检定和校准提供动态标准湿度气体。
The portable humidity generator had the function of automatic generating standard gas of different flow and dewpoint by using the microprocessor and the technology of mass flow controlling.
测量多种溶剂和混合气体，无需再校准。
Measures multiple solvents and mixtures without recalibration.
测量多种溶剂和混合气体，无需再校准。
Measures multiple solvents and mixtures without recalibration.
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