Preset alarm limits & calibration
The instrument is factory calibrated with standard calibration gas and is programmed with
default alarm limits. These settings can be changed in Programming Mode to align more
precisely with your standards.
MiniRAE Lite+
Cal Gas (Isobutylene) Cal Span Unit Low High
MiniRAE Lite+ 100 ppm 50 100
MiniRAE 3000+
Cal Gas (Isobutylene) Cal Span Unit Low High TWA STEL
MiniRAE 3000+ 100 ppm 50 100 10 25
ppbRAE 3000+
Cal Gas (Isobutylene) Cal Span Unit Low High TWA STEL
ppbRAE 3000+ 10 ppm 10 25 10 25
UltraRAE 3000+
Cal Gas Cal Span Unit Low High TWA STEL
Isobutylene 100 ppm 50 100 10 25
Benzene 5 ppm 2 5 0.5 2.5
Butadiene 10 ppm 5 10 2 5
Testing the alarm
You can test the alarm whenever the main (Reading) display is shown. Press [Y/+], and the
audible and visible alarms are tested.
Handheld PID Monitors 50 User Manual
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