Appendix C: Quick Reference
Airmetrics
81
Integrated Gas Sam pling Rou tine At Site
Note:
Perform as m uch work a s possible inside a ve hicle (disassemb ling sampler,
replacing canisters,
etc
.), particularly if the weather is rainy, windy, or snowy.
1.
Lower sampler from its cradle mount, keeping the hoisting pole as vertical as
possible to avoid dropping the sampler or damaging the preseparator/filter
assembly with hook.
2.
Inside the vehicle remove the bale bar assembly. Detach canister tubing at the
mini quick-connect fittings and remove canisters.
3.
Remove the pump and timer assembly, taking care not to pull the connecting
wire loose. Hold the top cap. Do NOT grasp the circuit board. Mount the
assembly on the sampler casing using the triangular mount stand.
4.
Verify correct time and day of week on time LCD.
5.
Record elapsed tim e as show n on the E lapsed T ime To talizer, wh ich shou ld
match the programmed time.
6.
Check and record the fullness of the bag(s), adjusting the pulse interval or
duration if necessary.
7.
Program the timer for new s ampling perio d (see page 9).
8.
Set to "Auto" mode.
9.
Change b attery pack (see pa ge 28).
IMPORTANT NOTE:
The V alve Driv er Board automa tically resets
when the sa mpler's ma in power is interrup ted. This is why the battery
must be changed
before
setting the s equenc ing circuit.
10. Check the Active Solenoid Output Indicators. Use the Manual Sequence
Advance Button to select the required channel if necessary.
11. Lower the pump and timer assembly into the sampler body.
Airmetrics MiniVol Users Guide
82
Airmetrics
12. Replace the bale bar assembly, attach new canisters, and connect tubing.
13. Return the sampler to the mounting cradle, raising it as vertically as possible.
14. If also doing particulate matter sampling, see the preceding Particulate Matter
Sampling Routine.