Examples of PEMS in a sentence
These records may include, but are not limited to, production capacity and throughput, hours of operation, safety data sheets (SDS), chemical composition of raw materials, speciation of air contaminant data, engineering calculations, maintenance records, fugitive data, performance tests, capture/control device efficiencies, direct pollutant monitoring (CEMS, COMS, or PEMS), or control device parametric monitoring.
Any warning signals, suggesting malfunctioning of the PEMS, shall be documented and verified.
Interruptions may be recorded directly by the PEMS but it is not permissible to introduce interruptions in the recorded parameter via the pre-processing, exchange or post-processing of data.
Local speed limits remain in force during a PEMS test, notwithstanding other legal consequences.
It is strongly recommended to initiate PEMS system maintenance during periods of zero vehicle speed.
Violations of local speed limits per se do not invalidate the results of a PEMS test.
Measurement and data recording may be interrupted for less than 1 % of the total trip duration but for no more than a consecutive period of 30 s solely in the case of unintended signal loss or for the purpose of PEMS system maintenance.
Where such software tool is incorporated in the PEMS instrument, proof of the validation shall be provided along with the instrument.
The post-test drift check shall be completed as soon as possible after the test and before the PEMS, or individual analysers or sensors, are turned off or have switched into a non-operating mode.
The installation and operation of PEMS shall not change the nature of the exhaust gas nor unduly increase the length of the tailpipe.