Watchdog Scout Remote Rectifier Monitor by Elecsys
Description
The Watchdog Scout combines the installation simplicity of our VIP system with the advanced, web-based interruption capabilities of the groundbreaking Watchdog Mesh system. The Scout is designed to withstand all the challenges encountered in CP rectifier monitoring applications. The compact sized, lockable NEMA4x enclosure provides a secure, protective environment for the state of the art electronics. Advanced, self-testing circuitry automatically verifies the channel calibration to a known, stable voltage with every reading. This assures the most accurate reading available, every time!
The Scout has been rigorously tested to withstand voltage surges up to 7500V at 3500A using conducted voltage testing per IEC 61000-4-5 specifications. This test method most closely correlates with the lightning and input power surges encountered by remote monitor equipment in the field.
The powerful Pipeline Watchdog web interface provides instant visibility to the status of your field assets, and simplifies multiple rectifier GPS-synchronized interruption, group polling, and automatic compliance report generation.
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Applications
- CP rectifier monitoring applications
- Initiate/schedule group interruption cycles
- Digital, dry-contact status monitoring with alarming
- Pulse-counter/accumulator for meter-reading applications
- LCD User Interface
Features
- Surge protection tested up to 7500V at 3500A (conducted voltage test per IEC 61000-4-5 specifications)
- Alarm and return to normal notifications via e-mail and/or text message
- 4 analog measurement channels, 2 dry-contact digital input channels (one can be used as a pulse counter/accumulator), AC mains on/off detection channel (probe included)
- New, “Automatic Calibration Verification” circuitry assures precision measurement accuracy every time.
- GPS synchronized interruption with current sensing
- Reconfigure units from the Watchdog user interface
- 2-way cellular or satellite telemetry options for reliable communication anywhere in the world on demand
- Easy to use web interface
- Firmware reprogrammable over the air (cellular)
- Modbus interface for SCADA systems
- AC mains on/off detection
Specifications
| Communications | Digital cellular Satellite (Inmarsat and Thuraya satellite networks) Modbus (RS232) RTU slave connection for use w/customer supplied SCADA data radio |
| Size | NEMA4x Enclosure: 8” (20.3 cm) X 10” (25.4 cm) X 4” (10.2 cm) |
| Operating Environment |
Temperature: -40°C to +85°C (-20o C to +70o C in battery backup power mode) Humidity: 0—100% non-condensing Enclosure rating: NEMA 4X polycarbonate |
| Power Options | 8-35 Vdc or 10-25 Vac for “Always On” operation; or primary battery power (interruption only available using always on external power) |
| Input Connections | 4 analog measurement channels 2 digital dry=contact channels (1 can be used as a pulse counter) 1 AC detection probe input |
| Outputs | 2 relay control outputs |
| Interrupter Module |
GPS synchronized Syncs with all popular portable interrupters Relay options: 100 Amp mercury relay Solid state dual relay system w/mercury bypass relay Mercury-free solid state/mechanical bypass relay system |
| Measurement Accuracy |
Rectifier voltage input: Range = +/-200V, measurement accuracy better than +/-100mV Rectifier current input: Range = +/-100mV, measurement accuracy better than +/-100uV Potential input: Range = +/-10V, measurement accuracy better than +/-100uV |
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