GB/T 25749.7-2012
Safety of machinery.Evaluation of the emission of airborne hazardous substances.Part 7:Test bench method for the measurement of the pollutant concentration parameter (English Version)

Standard No.: GB/T 25749.7-2012
Language: Chinese, Available in English version
Release Date: 2012
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 25749.7-2012

Scope: This part of GB/T 25749 specifies a test method for using a test bench to measure a given concentration parameter of harmful substances emitted by a machine in the air under given operating conditions. This method is only applicable to emitted gases, vapors and respirable particles. Where possible, determine the emission rate in the test bench method (see GB/T 25749.3). Measuring the pollutant concentration parameters of a machine can be used: a) to evaluate the performance of the machine; b) to evaluate the improvement of the machine; c) to compare between groups of machines with the same intended use (such groups are defined according to the function and the material processed) ; d) Classify the machines in the same group according to the pollutant concentration parameters; e) Determine the technical level of the machines according to the pollutant concentration parameters.

GB/T 25749.7-2012 Referenced Document

ISO 12100 Safety of machinery - General principles for design - Risk assessment and risk reduction
ISO 2602 Statistical interpretation of test results; estimation of the mean; confidence interval

2012 GB/T 25749.7-2012 Safety of machinery.Evaluation of the emission of airborne hazardous substances.Part 7:Test bench method for the measurement of the pollutant concentration parameter