Energizer Air Quality Computer - Manual (Page 18)

17
BATTERY CHECK
By pressing “0” you will the following will be displayed.
POWER=XX%
0 to 100% is displayed to show the amount of battery life left.
THE BATTERIES
A 9-volt battery powers the PerformBJSF. A fully charged
(DURACELL or ENERGIZER) battery will operate the PerformBJSF
for approx. 12 hours.
After approx. 12 hours of use the LOW BATTERY message will be
displayed when you are sampling the air. At this time the battery must
be replaced. Rechargeable batteries can be used.
***MAKE SURE TO POWER UNIT DOWN BEFORE
DISCONNECTING BATTERY!***
Dead batteries will not cause loss of stored data, but you may lose
the Date and Time.
Removal of batteries will not cause loss of stored data, but you may
lose the Date and Time.
OPERATING LIMITATIONS
The PerformBJSF is designed to operate within the following
atmospheric conditions.
TEMPERATURE: 0 to 50 degrees Celsius (32 to 122 degrees
Fahrenheit)
HUMIDITY: 0 to 100%
BAROMETRIC PRESSURE: 23 inHg to 32 inHg.