P
ORTA
C
OUNT
®
Plus Model 8020 Technical Addendum
revised 7-27-2001
TSI Incorporated, St. Paul, Minnesota, USA
2
Copyright © 2001 all rights reserved
INTRODUCTION
This document is a addendum to the
PortaCount Plus
®
Model 8020 Operation
and Service Manual
(TSI p/n 1980092). It contains detailed technical information
that is not normally needed by persons using the PortaCount Plus for respirator
fit testing. Persons who will find this document of interest include respirator
manufacturers, respiratory protection researchers, and persons conducting
general ultrafine particle studies not related to respirator fit testing.
The most recent version of this document as well as the
PortaCount Plus Model 8020
Operation and Service Manual
can be obtained from the TSI Web site
CONTENTS
Dip Switch Settings .............................................................. 3
Serial Interface Output ......................................................... 7
Data and Accessory Port Pin Assignments ........................ 10
Computer Interface Cables ................................................ 10
Remote Control via Computer............................................ 12
N95-Companion ................................................................. 23
