Page 8 of 32 Liberty gas EG4v12 user cum maintenance manual BGX701-240-R01
3 Product description
3.1 Liberty EG4v12 main features
Figure 2: Liberty EG4v12 meter
The integrity of the meter seals should be checked periodically.
LCD information window (Display)
Liberty EG4v12 has a backlit, monochrome LCD for displaying metering data, alerts and other relevant
information. The meter is battery-powered, and therefore the display is enabled only on demand (key press).
The meter display will return to ‘sleep mode’ if there is no user interaction after approximately 30 seconds.
Keypad
The keypad has ten 0-9 numeric keys and two special keys marked ‘A’ (blue) and ‘B’ (red). Key ‘5’ has a raised
dot to help visually impaired users to navigate.
The EU front cover
The EU front cover has a transparent window to view the display and a flange to protect it from dust and
moisture ingress. The cover is secured to the meter base with two sealable M4 machine screws, on either
Direction of flow of gas
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