SKC 224-52 AirChek 52 User Manual

Page 13

When the desired fl ow is set, turn off the pump by pressing
the on/off button. Disconnect the calibrator.

Replace the sorbent tube used for setting the fl ow with a new
unexposed sorbent tube for sample collection.

Place the appropriate size tube cover over the tube (Figure 2,
#5), and screw it into place on the low fl ow holder.

Sampling - Low Flow

Before use, allow pump to equilibrate

after moving it from one temperature

extreme to another

Protect sample pump from weather

when in use outdoors.

Use of any device other than the

approved battery pack to power the

pump voids the UL Listing for intrinsic

safety and any warranty.

For personal sampling, clip the low
fl ow holder to the worker in the
breathing zone and the pump to the
worker’s belt.

Press the on/off button to clear the elapsed time display
and to start sampling. Record the start time. The LCD will
automatically track elapsed pump run time.

At the end of the sampling period, press the on/off button and
record stop time.

To return to high fl ow, remove the CPC and low fl ow holder.

For possible displays during sampling, see page 8.

Clip holder to worker

and pump to belt.

cont’d