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Monitors Daily AC Standing Voltage and Current Flow to Coupon. Isolated DC and AC Monitoring.
Description
The MERLIN CP Hemi Monitor is a compact unit designed to fit invisibly within a CP riser post. It collects Cathodic Protection (CP) data and communicates using the cellular GSM network. MERLIN CP Hemi records pipe-to-soil potentials and current levels, checks that they are within specification and reports immediately if an alarm threshold is exceeded. Alternatively it may simply be that certain measurement points on the pipeline create risks to CP technicians, such as at busy road or rail crossings, or are difficult to access, such as on private land. At these points remote monitoring is very cost-efficient and can improve safety.
Two key features of the Abriox system are:
Cellular telephone control, which is all that is required to set up and configure MERLIN CP Hemi monitors. This makes installation really quick and easy (typically just 20 minutes at a test post) without the need for any special equipment.
AC monitoring on all channels to identify a possible corrosion threat - and protect the workforce from dangerous voltages or currents.
All data is automatically transmitted in a management report to the system HQ where it is available on-line using Abriox’s MERLIN iCPSM software. ICPSM provides access from any internet-enabled PC to a passwordprotected CP database, unique to each customer.
Users can configure and control MERLIN monitors, view CP data in graphical and numerical formats or export data for further analysis and archiving.
Benefits
DC and AC monitoring for full corrosion prevention
Fully automatic system - data sent in automatically, wirelessly
Email or text message alarm when pipeline CP levels are inadequate
Reduced cost of measurement, especially at remote locations
Engineering time freed up for data interpretation and follow-up
Reduced risk to workforce at dangerous or remote sites
Compact size for easy installation inside the riser post
Zero carbon footprint for CP monitoring - no vehicle surveys required
Features
Designed for easy installation in the riser post—typically 20 minutes on site. Color-coded connections to pipe/electrode/ coupon.
Daily CP level check (hourly option for problem solving).
Alarms reported immediately (user preset thresholds for all channels).
Weekly report gives min, max and average of all channels for the week.
5-year life, batteries replaceable.
Sealed, weatherproof unit with robust lightning protection and wide operational temperature for all extremes.
Test and set-up from cellular telephone using text messaging.
Web-based user interface with graphical/tabular displays and data export.
GSM (SMS) Communications
Batteyry Backup
Test and set up from cell phone using text messaging
5 year life, replaceable battery module.
User Alerts
Synchronized Interruption
Alarms reported immediately (user preset thresholds for all channels).
Pair of relay contacts, normally closed. Contacts open whilst channel 2 is read.
Electrical Supply Monitoring
Custom Reports
Alarm sent when protection levels inadequate – so that protection can quickly be restored to the pipeline.
Data automatically archived and presented in custom report formats or exported to other standard applications.
Daily or Weekly Reports
Weight
Weekly report gives min, max and average of all channels for the week
520g (1.1lb)
Operational Remperatures
Lightning Protection
-40°C to +85°C (-40°F to +185°F). 100% condensing humidity.
Surge protection on all external inputs and outputs. 2,500A at 3,000V (8/20us). Additional protection using recommended surge arrestors.
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.
Technical 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
Physical Dimensions
Physical Dimensions (H x W x D)
10.8” x 3.15” fits invisibly within standard 3.5” riser post
Weight
1.1lb
IP Rating
IP67
Operating Temperature
-40°F to +185°F 100% condensing humidity
Lightning Protection
Surge protection on all external inputs and outputs
2,500A at 3,000V (8/20us)
Backup Battery
5-year life, replaceable battery module
Communications
Cellular (GSM/SMS)
Software Management
iCPSM (web based) or CPSM (PC based)
Inputs
Two pipe-to-soil inputs
10 MOhm input impedance
± 4V DC with AC rejection
1mV resolution
0-70V AC RMS, 10mV resolution
Current shunt input
0-100mV
0.01mV resolution
AC and DC current measured
All monitoring channels are fully independent
Outputs
Pair of relay contacts, normally closed
Contacts open while pipe to soil input 2 is read
Contacts rated at 1A at 30V DC
MERLIN CP Hemi can be deployed at any test point on the pipeline network, such as: mid-points between rectifiers or pipeline terminations (low CP levels), pipeline crossings or corridors (sources of interference from foreign systems), pipelines close to, or parallel with, power lines (sources of AC interference) and rectifier drain points (to check rectifier output levels).
Measurements
Pipe-to-Soil 1
Pipe-to-Soil 2 or Instant OFF
Coupon Current or Bond Current
DC
AC
DC
AC
DC
AC
1 Channel
2 Channel
3 Channel
Communications
MERLIN CP monitors use GSM SMS messaging to report data from the field to a central HQ. This method has several advantages:
Massive investment in infrastructure by GSM network providers
Excellent coverage in virtually all urban and semi-urban locations
Expanding coverage worldwide into remote/rural areas
Proven reliability
Low cost.
SMS communication enables MERLIN monitors to be set up in the field using a cellphone.
MERLIN monitors incorporate an internal GSM antenna which, in most locations, will be quite adequate. In weak signal areas, units can be equipped with an external antenna.
The MERLIN system is independent of network provider and Abriox will work with users to secure the most advantageous communication package in their country. We can usually supply our monitors with a GSM airtime package – but we can also factory fit free-issued SIMs or supply monitors for users to fit their own SIMs.
Description
The MERLIN CP Hemi Monitor is a compact unit designed to fit invisibly within a CP riser post. It collects Cathodic Protection (CP) data and communicates using the cellular GSM network. MERLIN CP Hemi records pipe-to-soil potentials and current levels, checks that they are within specification and reports immediately if an alarm threshold is exceeded. Alternatively it may simply be that certain measurement points on the pipeline create risks to CP technicians, such as at busy road or rail crossings, or are difficult to access, such as on private land. At these points remote monitoring is very cost-efficient and can improve safety.
Two key features of the Abriox system are:
Cellular telephone control, which is all that is required to set up and configure MERLIN CP Hemi monitors. This makes installation really quick and easy (typically just 20 minutes at a test post) without the need for any special equipment.
AC monitoring on all channels to identify a possible corrosion threat - and protect the workforce from dangerous voltages or currents.
All data is automatically transmitted in a management report to the system HQ where it is available on-line using Abriox’s MERLIN iCPSM software. ICPSM provides access from any internet-enabled PC to a passwordprotected CP database, unique to each customer.
Users can configure and control MERLIN monitors, view CP data in graphical and numerical formats or export data for further analysis and archiving.
Benefits
DC and AC monitoring for full corrosion prevention
Fully automatic system - data sent in automatically, wirelessly
Email or text message alarm when pipeline CP levels are inadequate
Reduced cost of measurement, especially at remote locations
Engineering time freed up for data interpretation and follow-up
Reduced risk to workforce at dangerous or remote sites
Compact size for easy installation inside the riser post
Zero carbon footprint for CP monitoring - no vehicle surveys required
Features
Designed for easy installation in the riser post—typically 20 minutes on site. Color-coded connections to pipe/electrode/ coupon.
Daily CP level check (hourly option for problem solving).
Alarms reported immediately (user preset thresholds for all channels).
Weekly report gives min, max and average of all channels for the week.
5-year life, batteries replaceable.
Sealed, weatherproof unit with robust lightning protection and wide operational temperature for all extremes.
Test and set-up from cellular telephone using text messaging.
Web-based user interface with graphical/tabular displays and data export.
GSM (SMS) Communications
Batteyry Backup
Test and set up from cell phone using text messaging
5 year life, replaceable battery module.
User Alerts
Synchronized Interruption
Alarms reported immediately (user preset thresholds for all channels).
Pair of relay contacts, normally closed. Contacts open whilst channel 2 is read.
Electrical Supply Monitoring
Custom Reports
Alarm sent when protection levels inadequate – so that protection can quickly be restored to the pipeline.
Data automatically archived and presented in custom report formats or exported to other standard applications.
Daily or Weekly Reports
Weight
Weekly report gives min, max and average of all channels for the week
520g (1.1lb)
Operational Remperatures
Lightning Protection
-40°C to +85°C (-40°F to +185°F). 100% condensing humidity.
Surge protection on all external inputs and outputs. 2,500A at 3,000V (8/20us). Additional protection using recommended surge arrestors.
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.
Technical 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
Physical Dimensions
Physical Dimensions (H x W x D)
10.8” x 3.15” fits invisibly within standard 3.5” riser post
Weight
1.1lb
IP Rating
IP67
Operating Temperature
-40°F to +185°F 100% condensing humidity
Lightning Protection
Surge protection on all external inputs and outputs
2,500A at 3,000V (8/20us)
Backup Battery
5-year life, replaceable battery module
Communications
Cellular (GSM/SMS)
Software Management
iCPSM (web based) or CPSM (PC based)
Inputs
Two pipe-to-soil inputs
10 MOhm input impedance
± 4V DC with AC rejection
1mV resolution
0-70V AC RMS, 10mV resolution
Current shunt input
0-100mV
0.01mV resolution
AC and DC current measured
All monitoring channels are fully independent
Outputs
Pair of relay contacts, normally closed
Contacts open while pipe to soil input 2 is read
Contacts rated at 1A at 30V DC
MERLIN CP Hemi can be deployed at any test point on the pipeline network, such as: mid-points between rectifiers or pipeline terminations (low CP levels), pipeline crossings or corridors (sources of interference from foreign systems), pipelines close to, or parallel with, power lines (sources of AC interference) and rectifier drain points (to check rectifier output levels).
Measurements
Pipe-to-Soil 1
Pipe-to-Soil 2 or Instant OFF
Coupon Current or Bond Current
DC
AC
DC
AC
DC
AC
1 Channel
2 Channel
3 Channel
Communications
MERLIN CP monitors use GSM SMS messaging to report data from the field to a central HQ. This method has several advantages:
Massive investment in infrastructure by GSM network providers
Excellent coverage in virtually all urban and semi-urban locations
Expanding coverage worldwide into remote/rural areas
Proven reliability
Low cost.
SMS communication enables MERLIN monitors to be set up in the field using a cellphone.
MERLIN monitors incorporate an internal GSM antenna which, in most locations, will be quite adequate. In weak signal areas, units can be equipped with an external antenna.
The MERLIN system is independent of network provider and Abriox will work with users to secure the most advantageous communication package in their country. We can usually supply our monitors with a GSM airtime package – but we can also factory fit free-issued SIMs or supply monitors for users to fit their own SIMs.
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