Assisted Diffusion Option - GMI PS500 Manual Del Usuario

Fig. 2.17 Pump Symbol Displayed
Note: Pump can only be switched ON / OFF when the
instrument has no alarms.

2.7.2 Assisted Diffusion Option

If assisted diffusion is configured, after instrument warm-up,
the pump remains ON at low speed. *This setting is used for
reactive gases.
A press and hold of the
normal speed. When the pump is running at normal speed,
a pump symbol
Fig.2.17. Press and hold the
pump OFF. A further press and hold of the
the pump to run at low speed.
Note*: GMI recommend that pumped instruments, measuring
reactive gases, use assisted diffusion mode in
preference to diffusion mode.
button re-sets the pump to run at
rotates in the display as illustrated in
button again to switch the
OPERATION
button re-sets
2-15