Introduction Itemiser 2 Maintenance Course Objectives Trace Detection

Introduction Itemiser 2 Maintenance Course

Objectives Ø Ø Ø Ø Trace Detection ITEMISER 2 Overview Log-on and Calibration Shift Maintenance Weekly Maintenance Monthly Maintenance Questions and Comments

Trace Detection Ø Traces are microscopic amounts of particles and vapor Ø Traces are transferred to objects and people Ø The Itemiser 2 can detect traces to a billionth of a gram, or, a grain of salt cut into 1000 pieces

Trace Detection Itemiser 2 Sampling Demonstration

Trace Detection Review Ø What are explosive traces? Ø How are explosive traces transferred? Ø How can you describe a billionth of a gram? Ø How do you know when the Itemiser 2 detects explosive traces?

Itemiser 2 Overview Sample Trap Holder Display Screen Desorber Printer

Itemiser 2 Overview Status Indicator Function Buttons List of Substances Select Scan Display Screen Software Version

Itemiser 2 Overview Plasmagram Substance List Plasmagram Display Screen

Itemiser 2 Overview Review Ø Which Itemiser 2 component heats the sampling trap? Ø Which display screen highlights a detected substance in red? Ø What do the colors of the status indicator mean? Ø Which display screen shows a snapshot of the last sample? Ø How can you tell which version of software you are running?

Log-on and Calibration Log-on Demonstration

Log-on and Calibration What is Calibration? Ø Calibration introduces a known substance into the system. Ø After the Itemiser 2 identifies the substance, the software adjusts the positions for all the other programmed substances. Ø Calibration can be affected by changes in temperature, atmospheric pressure, and humidity.

Log-on and Calibration Demonstration

Log-on and Calibration Review Ø What are the different log-on numbers and their levels? Ø Why do you calibrate the Itemiser 2? Ø Which traps do you use to calibrate the Itemiser 2? Ø The calibration peak is normally found between which two numbers? Ø How often should you calibrate the Itemiser 2?

Shift Maintenance Ø Calibrate Ø Clean Filter Ø Check Printer Paper Ø Check Supplies Ø Decontaminate Work Area Ø Record keeping

Shift Maintenance Demonstration

Weekly Maintenance Ø Perform Shift Maintenance Ø Power Down Unit Ø Clean Desorber Ø Inspect Filter Ø Clean Sample Air Line Ø Clean Membrane Ø Calibrate Ø Record keeping

Weekly Maintenance Demonstration

Monthly Maintenance Ø Power Down Unit Ø Perform Weekly Maintenance Ø Change Dryer Ø Inspect Dopant Ø Change Membrane Ø Calibrate Ø Record keeping

Monthly Maintenance Demonstration

Course Review Ø Ø Ø Ø Trace Detection ITEMISER 2 Overview Log-on and Calibration Shift Maintenance Weekly Maintenance Monthly Maintenance Questions and Comments

Detector Schematic