Huberg EX-PEX PLUS, User Manual

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Form creation date: 01.04.2008 - SpKa
Document creation date: 03.10.2019- RC
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In case the instrument notices sensor malfunctioning, the word “S Er” appears on
screen, and buzzer beeps for 5 seconds, before the instrument switches off.

Device is ready to use and measure is shown.
WARNING: in order to have a correct calibration of the device, it has to be turn on in a place with no
gas.
3.2 Switching process mode
Multi-process instruments only: to switch current instrument process, device must be turned off and
on.
3.3 Turning off
To turn off the instrument, press “OK/Start” key until the end of counter 4 – 3 – 2 – 1 – OFF. If the
key is released before “OFF”, turning off process is stopped.
Device turns off automatically when batteries are discharged, after showing “C-OFF” on display.
3.4 Backlight
To turn on or off backlight, press “OK/Start” key: if the light is off, it will be turned on and vice versa.
3.5 Alarm
After turning on, the instrument measures continuously gas concentrations in medium. When the
measure exceeds alarm threshold, leds flash and buzzer sounds.
The device has two alarm thresholds: one called system alarm (not modifiable by user) and one
called user alarm, set by user. Device sets itself in alarm condition when one of the two alarm thresholds
is reached. When user alarm is exceeded, buzzer can be turned off entering menu and disabling buzzer