ItemiserItemiser22 Maintenance CourseMaintenance Course

IntroductionIntroduction

Trace Detection ITEMISER2 Overview Log-on and Calibration Shift Maintenance Weekly Maintenance Monthly Maintenance Questions and Comments

ObjectivesObjectives

Trace DetectionTrace Detection

Traces are microscopic amounts of particles and vapor

Traces are transferred to objects and people

The Itemiser2 can detect traces to a billionth of a gram, or, a grain of salt cut into 1000 pieces

Trace DetectionTrace Detection

Itemiser2 Sampling Sampling Demonstration

Trace DetectionTrace Detection

What are explosive traces?

How are explosive traces transferred?

How can you describe a billionth of a gram?

How do you know when the Itemiser2 detects explosive traces?

Review

ItemiserItemiser22 Overview Overview

Sample Trap Holder

Display Screen

Desorber

Printer

ItemiserItemiser22 Overview Overview

Select Scan Display Screen

Status Indicator Software Version

List of Substances

Function Buttons

ItemiserItemiser22 Overview Overview

Plasmagram Display Screen

Plasmagram

Substance List

ItemiserItemiser2 2 OverviewOverview

Which Itemiser2 component heats the sampling trap?

Which display screen highlights a detected substance in red?

What do the colors of the status indicator mean?

Which display screen shows a snapshot of the last sample?

How can you tell which version of software you are running?

Review

Log-on and Log-on and CalibrationCalibration

Log-on Demonstration

Log-on and Log-on and CalibrationCalibration Calibration introduces a

known substance into the system.

After the Itemiser2 identifies the substance, the software adjusts the positions for all the other programmed substances.

Calibration can be affected by changes in temperature, atmospheric pressure, and humidity.

What is Calibration?

Log-on and Log-on and CalibrationCalibration

Calibration Demonstration

Log-on and Log-on and CalibrationCalibration

What are the different log-on numbers and their levels?

Why do you calibrate the Itemiser2?

Which traps do you use to calibrate the Itemiser2?

The calibration peak is normally found between which two numbers?

How often should you calibrate the Itemiser2?

Review

Shift MaintenanceShift Maintenance Calibrate

Clean Fan Filter

Check Printer Paper

Check Supplies

Decontaminate Work Area

Record keeping

Shift MaintenanceShift Maintenance

Shift Maintenance Demonstration

Weekly MaintenanceWeekly Maintenance

Perform Shift Maintenance

Power Down Unit

Clean Desorber

Inspect Filter

Clean Sample Air Line

Clean Membrane

Calibrate

Record keeping

Weekly MaintenanceWeekly Maintenance

Weekly Maintenance Demonstration

Monthly Monthly MaintenanceMaintenance Power Down Unit

Perform Weekly Maintenance

Change Dryer

Inspect Dopant

Change Membrane

Calibrate

Record keeping

Monthly Monthly MaintenanceMaintenance

Monthly Maintenance Demonstration

Trace Detection ITEMISER2 Overview Log-on and Calibration Shift Maintenance Weekly Maintenance Monthly Maintenance Questions and Comments

Course ReviewCourse Review

Detector SchematicDetector Schematic