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MERLIN CP Hemi Monitor Specification
The MERLIN CP Hemi Monitor is a compact, robust, long-life unit that monitors cathodic protection levels at a cylindrical test post. Its key features are:
• Narrow diameter fits invisibly within cylindrical riser
• DC and AC monitoring for full corrosion prevention
• Alarm sent when protection levels inadequate
• Reduced cost of measurement, especially at remote locations
• Engineering time freed up for data interpretation and follow-up
• Health & Safety – reduced risk at roads/properties, eliminates lone-worker issues
• Zero carbon footprint for CP monitoring – no vehicle surveys, fully automatic system
Key specification parameters are as follows:
Physical Dimensions
GSM (SMS) Communications
Test and set up from cell phone using
text messaging.
Diagnostics
Diagnostic hourly read mode for problem
solving.
Protection Level Alarms
Alarm sent when protection levels inadequate – so that protection can quickly be restored to the pipeline.
User Alerts
Alarms reported immediately (user preset
thresholds for all channels).
Custom Reports and Complete Historical Data
Data automatically archived and presented in custom report formats or exported to other standard applications.
Daily CP Level Check and Weekly Reports
Weekly report gives min, max and average
of all channels for the week
Battery backup
5 year life, replaceable battery module.
Weight
520g (1.1lb)
Operational Temperatures
-40°C to +85°C (-40°F to +185°F). 100% condensing humidity.
IP Rating
The MERLIN CP Hemi Monitor is IP67 rated. Offering protection against falling dirt, rain, sleet, snow, windblown dust, splashing, hose-directed water and temporary immersion.
Lightning Protection
Surge protection on all external inputs and outputs. 2,500A at 3,000V
(8/20us). Additional protection using recommended surge arrestors.
Relay (for instant OFF measurement)
Pair of relay contacts, normally closed. Contacts open whilst channel 2 is read.
Note: Specifications are subject to change without prior notice.