The product conforms to jjg640-1994 verification regulation of differential pressure flowmeter, jjg577-2012 verification regulation of membrane gas meter, jjg586-2006 verification regulation of soap film flowmeter, and implements enterprise standard: Q / wth09-2015: th-bqx series portable gas, dust and dust sampler calibration device.
This instrument is suitable for the flow calibration of air sampler, medium flow air particulate matter sampler, smoke and dust sampler and automatic monitoring system used in environmental monitoring. The instrument is calibrated by the measurement department, which can ensure the accuracy and consistency of measurement value transmission. The test certificate is attached.
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