TSI Instruments PORTACOUNT 8040 User Manual

82 Chapter 8
Symptom
Possible Causes
Solution
Fails Zero Check
(continued)
O-ring on alcohol
cartridge is not sealing.
Replace O-ring. Smear a
very small amount of
grease (such as
petroleum jelly) on the
O-ring.
Tube fittings on
PortaCount Fit Tester
are loose.
Tighten fittings with pliers.
Fit factor of 1 or
very low
(If the PortaCount
Fit Tester passes
the Daily Checks,
the problem is with
the respirator, not
the PortaCount
Fit Tester)
Respirator is not
equipped with HEPA,
class-99, class-100, or
P3 filters.
Install proper filter for fit
testing.
Respirator leaks, has
loose filters, or a
malfunctioning
exhalation valve.
Repair the respirator.
Twin Tube Assembly is
disconnected.
Connect the Twin Tube
Assembly to the
PortaCount Fit Tester.
Twin Tube Assembly is
not connected to
respirator sampling port.
Connect the Twin Tube
Assembly to the respirator
sampling port (clear tube).
Twin Tube Assembly
leaks.
Repair or replace the Twin
Tube Assembly.
Sample Tube too long.
Use standard five-foot
Twin Tube Assembly.
PortaCount Fit Tester is
flooded with alcohol.
Run two hours to dry
optics (remove the
Alcohol Cartridge and
install Storage Cap).
Alcohol level is low.
Add alcohol to the
PortaCount Fit Tester.
Switching valve is not
functioning.
Return to TSI for service.

TSI Instruments PORTACOUNT 8040 Specifications

General

Brand	TSI Instruments
Model	PORTACOUNT 8040
Category	Test Equipment
Language	English