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General| Brand | Secure |
|---|---|
| Model | Liberty EG4v12 |
| Category | Measuring Instruments |
| Language | English |
Defines the intended readers of the manual and its overall scope.
Outlines critical safety warnings, general precautions, and installation requirements for safe operation.
Explains how the Liberty EG4v12 meter measures gas and its communication interface (BLE).
Details the main features like display, keypad, and overall meter layout.
Describes the functions, components (battery, valve), and tamper detection of the EU.
Explains meter display icons, keypad functions, and financial display formats.
Lists physical, mechanical, metrology, and compliance specifications for the meter.
Covers proper handling, storage conditions, and physical dimensions of the Liberty EG4v12 meter.
Details prepayment mode, commissioning process, and meter operating states.
Explains meter data logging, registers, snapshots, and time synchronization functions.
Covers accounting features, standing charge deduction methods, and daily/periodical billing.
Explains accounting zones, emergency credit, friendly credit, and credit management in prepayment mode.
Details UTRN transactions, retain credit, meter configuration, and prepay alerts.
Describes meter valve states, disconnection conditions, and detection/logging of various events.
Outlines the available communication interfaces for data exchange, including Bluetooth.
Step-by-step instructions for authorized personnel to replace the meter's primary battery.
Details the procedure for replacing the entire Liberty EG4v12 gas meter unit.
Instructions for logging into the Sahaj mobile app and connecting it to the meter via Bluetooth.
Explains how to perform recharges online, manage purchased tokens, and apply pending ones.
Provides definitions for technical terms and acronyms used throughout the manual.
General notes or remarks section.
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