Yesterday, the reporter learned from the Ningxia Metrology Institute: the new standard "open channel weir flow meter verification device" through the AQSIQ expert group assessment acceptance, so far, Ningxia flowmeter test standard farewell blank.
Open channel flowmeter is a kind of sewage flow meter, which is mainly used in industrial wastewater discharge monitoring. Prior to this, our district enterprises need to check the flow meter inspection abroad, the high cost of testing, low accuracy. "Flow meters can not be arbitrarily disassembled and installed, but to go outside the province must be removed and tested, and then loaded back, affecting the accuracy of the flow meter."." Ningxia Institute of Metrology staff Zhou Lihua said, "the general requirements of flowmeter 2 years examined, many enterprises will be in a year from a school, also is the enterprise own than to detection, so the accuracy will be greatly reduced, convincing."
Recently, Ningxia Institute of Metrology introduced portable open channel flowmeter verification device, and passed the examination by the State Administration of quality supervision and supervision, and formally established this standard. The calibration device can be used in the field for quick, simple and intelligent detection of sewage flow meters and the accuracy of enterprises and environmental monitoring instruments. "Later, enterprises do not have to disassemble and send the flow meter to other provinces and regions for inspection.". For detection, we can accurately detect the site at any time, which can ensure the channel flow up to the standard, but also can provide technical support for sewage enterprises, the region and the surrounding areas and the environmental protection departments to monitor the accuracy of processing factory." Zhou Lihua says.
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