User Interface - Honeywell E3Point User Manual

Operation
Sensor W arm Up
W hen the unit is first powered up, sensors must go through a 5 minute
warm-up (15 minutes for the O
displays W arm-Up. The 4-20 mA is maintained at 4 mA for all sensors;
however, the O sensor is maintained at (approximately) 17.4 mA (equal
2
to 20.9%).
Allow the sensor to operate for 12 hours with the enclosure closed prior
to testing the sensors. Optimal sensor performance is achieved 3 to 4
hours after initial power up.

User Interface

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The E Point gas detector is equipped with a 2 line, 8 character LCD
screen that displays reading information and serves as an interface for
programming functions and calibration.
LCD Screen
The LCD screen displays the readings in real time, including the type
of gas detected, the concentration, and measurement value (% or ppm)
and for which sensor (built-in or remote).
E C H A P
Cancels a modification or exits a menu.
E S C
Provides access to the programming menus and confirms a selection.
Navigates through the menu options and increments/decrements
values.
14
sensor), during which time the unit
2
LED Indicators
Navigation/Programming Buttons
Figure 8. E 3 Point LCD
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E Point Standalone Gas Monitor User Manual