Rae ppbRAE 3000 - Page 113

ppbRAE 3000 User’s Guide
111
Battery
icon
flashes
Low battery
1 flash, 1 beep per minute
plus battery icon flashes on
display
CAL
Calibration failed, or
needs calibration
1 beep/flash per second
NEG
Gas reading measures
less than number stored in
calibration
1 beep/flash per second
Preset Alarm Limits & Calibration
The instrument is factory calibrated with standard calibration gas, and
is programmed with default alarm limits.
Cal Gas
(Isobutylene)
Cal
Span
unit
Low
High
TWA
STEL
ppbRAE
3000
10
ppm
10
25
10
25
MiniRAE
3000
100
ppm
50
100
10
25
MiniRAE
Lite
100
ppm
50
100
10
25
UltraRAE
3000
100
ppm
50
100
10
25