L60iF Issue 9 November 2018 8
3.3 Taking a sample
3.3.1 At the sampling site, connect the Sampler to power and switch on. Check that the display is
illuminated and showing the opening screen (date, time, and two options).
3.3.2 If sampling or a delayed program is to start immediately, fit the chosen filter to the Sampler
and then press Run test. Check that details of the chosen test mode are now displayed, and
if they are correct, press confirm. Depending on the selected mode, sampling may start, or a
countdown to the delayed start time will begin.
3.3.3 If a test finishes while the sampler is unattended or if an alarm condition occurs, sampling will
be stopped and the results of the test (litres sampled) will be stored with the appropriate error code.
If the ALARM message is displayed, the reason for the stoppage should be investigated before
another test is attempted.
3.3.4 If the filter is undamaged at the end of sampling, it should be removed carefully and returned
to the container from which it was taken at the start of testing. Record any information required by
local rules (weather conditions, date, volume of air sampled etc.).
3.3.5 The filter holder should be cleaned before re-use.
3.3.6 To stop a Volume or Timed test (overriding the auto resume function), turn power off then on
again with p
and
keys pressed. Sample will not resume.
Alarm Codes
Results will be appended by one of the following codes.
OK – Sample completed in a single run without interruption
FI – Summary result showing programmed start time. Sample ended normally
PF – Sample ended by power failure (one or more parts of test)
If a single run is ended by a power failure that exceeds the interrupt time limit then no FI data is
shown, just a single PF data entry.
LF – Sample ended by low flow alarm (will not resume)
HF – Sample ended by high flow alarm (will not resume)
TL – sample time reached 10,000 hours. Sample ended.
OV – sample volume reached 10,000 m³. Sample ended
To Next Page
Loading...