The products conform to jjg577-2012 verification regulation of membrane gas meter; jjg586-2006 verification regulation of soap film flowmeter; jjg640-1994 verification regulation of differential pressure flow meter; implement enterprise standard: Q / wth09-2015: th-bqx series portable gas, dust, dust sampler calibration device.
It is composed of flow calibrator with various principles, which has a wide range of flow calibration;
Novel design, compact structure, high precision, small volume, easy to carry;
Microcomputer program control, automatic data processing, large screen Chinese display;
It can store, query and print the test results.
This instrument is suitable for the flow calibration of air sampler, large and medium flow air particle 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.