User Manual

Chapter 3: Getting Started
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14
Initial Certification
Prior to use, all Purifier XT Clean Benches should be certified by a qualified
certifier. Under normal operating conditions, the Purifier XT Clean Bench should
be recertified at least annually and when moved or serviced. The certifier should
perform the following tests, as recommended in Institute of Environmental
Sciences and Technology, IEST RP-CC0002.2:
• Airflow Velocity Test
• HEPA Filter Leak Test
• Introduction Leak Test/Backstreaming (when appropriate)
• Airborne Particle Count (when appropriate)
• Lighting Intensity Test (when appropriate)
• Noise Level Test (when appropriate)
• Vibration Test (when appropriate)
In addition, the following tests should also be performed at the user’s discretion:
• Electrical Leakage and Ground Circuit Resistance Test
• Measurement of Line Voltage and Current
• Smoke Test to determine airflow patterns
THE XT CLEAN BENCH USES A SELF-ADJUSTING ECM
MOTOR TO MAINTAIN AIRFLOW ACROSS THE WORK
AREA. THE SPEED CONTROL
Figure 3-4
Slot for
Lashing
Strap
Back of
clean bench
)