Micro flow supply measuring device
A measuring device and flow rate technology, applied in mass flow measuring device, measuring device, liquid/fluid solid measurement, etc., can solve the problems of limited storage tank volume, low cost, large range, etc., achieve intuitive flow measurement, reduce errors, The effect of small external interference factors
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[0029] The content of the present invention will be described in further detail below in conjunction with the drawings and specific embodiments.
[0030] The invention provides a flow supply measuring device used for a long-term test of a low-power arc heating anhydrous hydrazine engine. The device maintains the pressure in the constant pressure balance container through the automatic pressure regulating device, so as to realize the stable supply of the small flow rate. The flow rate data is measured by the mass flow meter, and the data is easy to obtain intuitively; the device uses capillary tubes, vibration damping blocks, etc. Isolation of interference factors of flowmeter measurement accuracy ensures the accuracy of flowmeter measurement. At the same time, the flow measurement does not depend on the electronic scale, which reduces the requirements for the accuracy of the electronic scale and improves the storage capacity of the tank, thereby realizing the ability of long-term...
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