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TSI Instruments 3936 User Manual

TSI Instruments 3936
89 pages
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Aerosol Neutralizers
Model 3936
Scanning Mobility
Particle Sizer™ (SMPS) Spectrometer
Operation and Service Manual
P/N 1933796, Revision P
June 2010

Table of Contents

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TSI Instruments 3936 Specifications

General IconGeneral
Flow Rate1.0 L/min
Power100 to 240 VAC, 50/60 Hz
Size Range0.01 to 1.0 µm
Operating Temperature10 to 40 °C (50 to 104 °F)
Storage Temperature-20 to 60 °C (-4 to 140 °F)

Summary

Manual History

Warranty

Software License

Safety

Laser Safety

Precautions for safe operation of laser components within the SMPS system.

Electrical Safety

Guidelines for safe handling of high-voltage components in the SMPS.

Chemical Safety

Safety measures when using chemicals like n-butyl alcohol with the SMPS.

Radiation Safety

Precautions related to the Kr-85 source in the aerosol neutralizer.

Labels

Information on advisory and identification labels attached to SMPS components.

About This Manual

Purpose

Explains the objective of the SMPS installation and operations manual.

Related Product Literature

Lists other TSI manuals useful for SMPS operation and setup.

Submitting Comments

Instructions on how to provide feedback or report errors in the manual.

SMPS Spectrometer Overview

Product Description

Overview of the SMPS system, its function, and measurement range.

How the System Operates

Explains the electrical mobility detection technique and system automation.

Unpacking the SMPS Spectrometer

Packing Lists

Details the components included with the SMPS system based on model configuration.

Unpacking Instructions

Guidance on safely unpacking and handling SMPS system components.

Setting Up SMPS Hardware

Cabling Connections

Information for making power and system cabling connections.

Applying Power Sequence

Sequence for applying power to the SMPS instruments during setup.

Recommended Mode of Operation

Discussion of underpressure and overpressure modes of operation.

Plumbing Connections

Procedures for connecting various CPC models to the classifier.

Operating SMPS Hardware

Before You Begin

Pre-operation checks and settings for the SMPS spectrometer.

Selecting Flow Rates

Understanding flow rate settings for optimal SMPS performance.

Impactor as a Flowmeter

Using the impactor to measure flow rate based on pressure drop.

Setting Flow Rates

Procedures for setting CPC flow rates in different operating modes.

SMPS Spectrometer Check

Verifying system integrity and laminar airflow before operation.

Maintaining and Troubleshooting the SMPS Spectrometer

Maintenance Recommendations

Periodic cleaning and replacement schedules for SMPS components.

Troubleshooting

Solutions for common SMPS problems and leak checking procedures.

Testing for Leaks

Procedures to check the SMPS plumbing system for leaks.

Service

Technical Contacts

Information on contacting TSI for technical support and service.

Returning the SMPS Spectrometer for Service

Instructions for returning the SMPS spectrometer for repair or service.

Specifications

SMPS Specifications

Technical specifications for the SMPS Spectrometer system components.

Theory of Operation

Introduction

Explains the SMPS theory of operation and key instruments.

History

Provides historical context for SMPS and DMA development.

Impaction Theory and Operation

Describes the principle of particle removal by inertial impaction.

Electrostatic Classifier

Explains the function of the classifier in particle size fractionation.

Charging Theory

Details the models used for particle charge distribution.

Particle Mobility Theory

Explains how particle electrical mobility relates to size.

Condensation Particle Counter

Explains the mechanism of particle growth and detection in CPCs.

CPC Theory

Details the Kelvin equation and saturation ratio in CPC operation.

Particle Counting

Describes how particles are detected and counted by the CPC.

Operating at Higher Concentrations

Discusses challenges and corrections for high particle concentrations.

The Data Measurement Process

Outlines how the SMPS system collects and processes data.

References

Calculation of the Geometric Mean and Geometric Standard Deviation for Number, Surface, and Volume Distributions

Communication between Aerosol Instrument Manager Software and the Electrostatic Classifier Model 3080

Index

Reader's Comments

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