Orifice flow meter measurement error solutionIn order to improve the accuracy of measuring natural gas, it is an important task to analyze and master the cause of errors in the use of measuring devices.
The difference between HART protocol and RS485 protocol is as follows:1. ConceptThe HART protocol uses the FSK frequency shift keying signal based on the Bell202 standard, and superimposes an audio digital signal with an amplitude of 0.5mA on the low-…
Kaifeng Instrument Co., Ltd. Gas Flowmeter Measurement Methods Commonly Used in Industrial Measurement
Reported by Li Xuchen, recently, customer in Jilin carried out the acceptence inspection for the DN300 truck-mounted pipe prover produced by Oil Metering Division. As per the inspection result, all the parameters and datas have met the tecnical requ…
The standard metal measuring instrument produced by our factory is a standard measuring instrument for measuring liquid volume. It can be used as a measuring instrument for knowing the value of liquid volume because of the certain volume it has. Being…
