MiniRAE 3000/ppbRAE 3000 Pocket Reference
10
Low Voltage Warning
When the battery’s charge falls below a preset
voltage, the instrument warns you by beeping
once and flashing once every minute, and the
“empty battery” icon blinks on and off once per second.
Turn off the instrument within 10 minutes and either
recharge the battery by placing the instrument in its cradle,
or replace the battery with a fresh one with a full charge.
Pump Status
During operation, make sure the probe inlet and the gas
outlet are free of obstructions. Obstructions can cause
premature wear on the pump, false readings, or pump
stalling. During normal operation, the pump icon
alternately shows inflow and outflow as shown here:
During duty cycling (PID lamp cleaning), the
display shows these icons in alternation: