Products include those certified to German TUV BlmSchV 13 and 17 standards, UK MCERTS Class 4 standards (ISO 10155) and calibrateable but non-certified monitors.   All stack monitors are calibrated to an iso-kinetic sample and include zero, span and system self-checks.   Both Electrodynamic and Dynamic Opacity products are available to suit different process requirements.   Also available are single and multi-channel instruments as well as hazardous zone monitors approved to Cenelec, UL, CSA and BVS standards for gas and dust zones. 

Optional extras include remote calibration, onboard datalogging, graphics display, broken bag prediction, normalisation to oxygen, full data reporting and analysis and patented insulated probes for conductive dust, humid and wet applications.

The DT990 combines advanced signal processing techniques with PCMEs unique Electrodynamic measurement principle. When the sensing probe is installed in the duct or stack, particles in the airstream interact with the sensing rod causing a charge induction effect which is analysed in the probe. Distributions in the particle stream result in a frequency charge induction response, which is directly proportional to the concentration of particulate (application dependant). The instruments output is an analysis of this frequency response and can be calibrated in mg/m3 by comparison to reference iso-kinetic sample results. This technique has achieved

ISO 10155, MCERTS & TUV approval.

Read the pdf-document below for additional information.