UNI MP100 User’s Guide
10
4.6.2
Span Value
The span gas concentration can be changed from the Cal SET menu using
the same process as for setting alarm limits.
NOTE:
The
MP100 will show an error message “Err” if:
•
The Span setting is less than 5% of the measuring range or greater than the measuring
range.
•
For the Oxygen sensor, the span setting is greater than 19.0%.
4.6.3
Bump/Cal Intervals
In the Bump and Cal Interval menus, the LCD alternates between:
and
, or
and
. Press the Left Key to enter the menu and change the interval using the same
process as for setting alarm limits. Note that a value of 0 means Bump or Cal notifications are
turned off.
NOTE:
The
MP100 will show “Err” if the interval is out of the valid range: 0-180 day(s).
4.6.4
Gas Concentration Unit
The gas concentration unit menu alternates between and . Press the Left Key to
enter the gas unit sub-menu, showing the currently selected unit blinking. Unit options include
x10
-6
, ppm, mg/m
3
and µmol/mol for toxic gas sensors, and % for oxygen. Use the Right Key to
scroll through the unit list and select, and the Left Key to confirm and exit.
4.6.5
Vibrator Enable/Disable
The vibrator consumes a lot of power and can be disabled to extend the battery life. The Vibrator
menu alternates between
and
. Press the Left Key to change the vibrator
enable/disable status. The current vibrator status is displayed, alternating between
and
if enabled, or between
and
, if disabled. Use the Right Key
to change the
status, and use the Left Key to confirm and exit.
4.6.6
Power-on Zero Enable/Disable
The sensor baseline may shift due to changes in environment conditions, such as temperature or
humidity, and require a zero calibration. The MP100 can prompt the user to zero calibrate every
time the unit is powered on, and this feature can be enabled/disabled.
The Power-on Zero menu alternates between
and
. Press the Left Key to change
the power-on zero enable/disable status. The current status is displayed, alternating between
