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Teledyne API Ultrafine Particle Monitor - Model 651 Primer on Electro-Static Discharge
07506C DCN6727 97
Basic Anti-ESD Procedures for Instrument
Repair and Maintenance
Working at the Instrument Rack
When working on the instrument while it is in the instrument rack
and plugged into a properly grounded power supply.
1. Attach your anti-ESD wrist strap to ground before doing
anything else.
• Use a wrist strap terminated with an alligator clip and attach it
to a bare metal portion of the instrument chassis. This will
safely connect you to the same ground level to which the
instrument and all of its components are connected.
2. Pause for a second or two to allow any static charges to bleed
away.
3. Open the casing of the analyzer and begin work. Up to this
point, the closed metal casing of your analyzer has isolated the
components and assemblies inside from any conducted or
induced static charges.
4. If you must remove a component from the instrument, do not
lay it down on a non-ESD preventative surface where static
charges may lie in wait.
5. Only disconnect your wrist strap after you have finished work
and closed the case of the analyzer.
Working at an Anti-ESD Work Bench
When working on an instrument of an electronic assembly while it
is resting on an anti-ESD work bench:
1. Plug your anti-ESD wrist strap into the grounded receptacle of
the work station before touching any items on the work station
and while standing at least a foot or so away. This will allow
any charges you are carrying to bleed away through the ground
connection of the workstation and prevent discharges due to
field effects and induction from occurring.
2. Pause for a second or two to allow any static charges to bleed
away.
3. Only open any anti-ESD storage bins or bags containing
sensitive devices or assemblies after you have plugged your
wrist strap into the workstation.
• Lay the bag or bin on the workbench surface.
• Before opening the container, wait several seconds for any
static charges on the outside surface of the container to be
bled away by the workstation’s grounded protective mat.
4. Do not pick up tools that may be carrying static charges while
also touching or holding an ESD Sensitive Device.
• Only lay tools or ESD-sensitive devices and assemblies on
the conductive surface of your workstation. Never lay them
down on any non-ESD preventative surface.