Overview
NTG’s next generation WatchdogCP™ Mesh Remote Monitoring System once again raises the technology and reliability standard that was set in 2007 with NTGs wireless sensors and powerful website. NTGs “Wireless Mesh Technology” has virtually eliminated lightning damage to the system. It allows unparalleled configuration flexibility so users can economically scale installations to any site requirement. The powerful web interface simplifies multiple rectifier GPS-synchronized interruption, group polling, and automatic report and file generation for compliance reporting.
The WatchdogCP™ Mesh Remote Monitoring System is an expandable system for CP rectifier and test point monitoring and data acquisition. The starting point is the WatchdogCP Mesh Base Station, which monitors up to 16 wireless analog channels and 5 digital inputs. It communicates via GSM cellular or Inmarsat satellite to the Pipeline Watchdog Web Monitor.
Start with simple volts / amps rectifier monitoring and add GPS synchronized interruption at any point. Or add wireless channels to monitor multiple negative current shunts. You can even use a single base station to monitor and interrupt two, three, or even four rectifiers closely spaced in a terminal or tank farm.
WatchdogCP Mesh System Benefits
Accomplish compliance reporting from your desk.
Eliminate costly travel to remote sites.
Improve pipeline integrity with timely outage alarms & reliable data.
Save time and money while improving your pipeline integrity program.
GSM cellular coverage in over 120 countries!
Know your pipeline is protected!
WatchdogCP Mesh System Features
Automatic rectifier and test point readings with alarm notification (e-mail or text message).
Powerful group interruption WITH REAL-TIME FEEDBACK lowers survey costs.
Configurable from the website – no laptop necessary in the field.
Low-cost worldwide communication via GSM/GPRS cellular or Inmarsat satellite.
Easy-to-use web interface - simple data export to all popular CPDM programs.
Easy to install - power via AC mains, low voltage AC or DC, or solar panel.
Inputs for intrusion alarm, generator/pump/compressor alarms, electric meter reading, pressure, temperature, tank level, etc.
Controllable output.
Firmware reprogrammable over the air (GSM/GPRS) or via USB port.
Regulatory CP reports are easily generated and exported to all CPDM software packages.
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System Operating Environment |
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Temperature |
-30° to + 70°C |
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Humidity |
0 to 100%, non-condensing |
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Base Station |
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Input Power |
115V / 230V AC, 50-60 Hz or 10 - 30 volts DC or AC for ‘Always ON’ Operation, Optional 5” X 12” solar panel for simple ‘Monitor and Sleep’ Operation. |
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Inputs |
4 dry-contact digital inputs, 1 digital pulse counter input, 1 analog (4-20 mA or 0-5V) |
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Output |
1 digital output for relay control |
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Communications Options |
GSM/GPRS digital cellular using TCP/IP or SMS Inmarsat (geo-stationary satellite network) |
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“Smart Node” Analog Measurement Module |
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Type |
3-channel “Smart Node” wireless mesh analog input module with independently assignable input ranges for each channel |
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Voltage range |
± 100V DC |
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Current range |
± 100 mV DC |
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Structure potential range |
± 10V DC |
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Module size |
5.5” x 2.5” x 1.2” (14 x 6 x 3 cm). Includes ABS-94 flame retardant enclosure, wireless mesh network total isolation system, and additional relay isolation providing channel surge protection to 10 kV. Multiple nodes can be deployed to meet any application requirement up to 16 channels per base unit. |
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Interrupter Module |
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Description |
“WatchdogCP Mesh Interrupter” GPS synchronized rectifier interruption system.
Multiple range input power (115V/230V AC, 13V-25V AC, 11V-35V DC).
Programmable, timed, true “instant off” potential readings. |
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Relay Options |
60 Amp mercury relay.
100 Amp mercury relay.
60 Amp AC “Fail-Safe” solid-state relay system with 60 Amp mercury bypass relay.
100 Amp DC “Fail-Safe” solid-state relay system with 100 Amp mercury bypass relay. |
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Packaging / Enclosure Options |
Standard Option - Base Station housing: 6” X 8” X 4” IP-67, NEMA 4X enclosure, remaining components designed for installation inside the rectifier enclosure.
Integrated Enclosure Option – All system components installed in a 16”X14”X6” IP-67, NEMA 4X enclosure, pre-linked and prewired for simplified installation (strongly recommended for systems including the interrupter option). |
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