

MERLIN XT is a compact, durable field unit that monitors the operation of a Transformer Rectifier. It is designed for remote areas where GSM coverage is inadequate and it can be integrated with GSM-based MERLIN units for a total network monitoring solution. Its key features are:
• Alarms and periodic reports sent to a central PC using satellite communications
• Fully independent monitoring channels (allow high-side or low-side shunt and accurate ON potential measurement)
• Automatic installation, test and set up (without laptop or cell phone)
• PC or Internet interface with graphical/tabular displays and data export.
Key specification parameters are as follows:

Global satellite coverage ensures reliable communications anywhere in the world.
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Diagnostic (hourly readings) mode for problem- solving for short periods.
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An on-board GPS module enables precise time synchronization of all MERLIN monitors on a pipeline. It also provides a link to mapping software for accurate positioning.
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Alarm generated if power supply fails – so that protection can quickly be restored to the pipeline (MERLIN backup batteries last for 2 years).
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User-settable high and low alarm thresholds for all measurement channels.
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Data automatically archived and presented in custom report formats or exported to other standard applications.
Custom reporting periods allow daily or weekly reporting.
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No risk assessments or lone worker issues at hazardous sites. Protects technicians from exposure to voltages and currents.
2 year operation in the event of a power failure.
3.9Kg (8.5lb)
-35°C to +70°C (-31°F to +158°F). 100% condensing humidity.
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The MERLIN XT is IP65 rated. Offering protection against falling dirt, rain, sleet, snow, windblown dust, splashing and hose-directed water.
Surge protection on all external inputs and outputs. 2,500A at 3,000V (8/20us). Additional protection using recommended surge arrestors.
Control output to drive (optional) external relay for OFF potential measurement, interruption or to switch off the CP output.
Note: Specifications are subject to change without prior notice.