Bullhorn Model RM4150 / RM4151 Remote Monitor by American Innovations
Mounts In or Outside of Rectifier. Monitors Rectifiers, Well Casings, Tanks, and Other C.P. Assets
Description
3G/4G cellular-based, reliable, two-way wireless remote monitoring unit (RMU) for cathodic protection applications that is Built Bullhorn Tough. They monitor pipelines, well casings, tanks and other assets by reading rectifier AC and DC volts and amps, pipe-to-soil potential, shunts, and more. The RM4150/RM4151 is extremely accurate, measuring AC and DC voltage with 1 percent of reading accuracy all of the way through the range.
The RM4150 and RM4151 remotely collect cathodic protection (CP) measurements used to demonstrate corrosion mitigation effectiveness. They monitor pipelines, well casings, tanks and other assets by reading rectifier AC and DC volts and amps, pipe-to-soil potential, shunts, Instant Off, line power presence and more. The digital channels provide an accumulator for metering applications and, with an optional accessory, intrusion detection. Via 3G/4G cellular networks, measurements are automatically uploaded to Bullhorn Web, a web-based asset manager that works with PCS™ to form a full end-to-end regulatory compliance solution from field measurement to reporting. The RM4150 received a Materials Performance magazine 2014 Corrosion Innovation of the Year Award.
Key Benefits
- Rugged – The unit can survive the harshest of conditions, with built in surge protection and optional high energy surge arrester.
- Accurate – AC and DC voltage with 1 percent of reading accuracy all of the way through the range. For example, a 1mV measurement will be accurate within +/- 10 microvolts. Every measurement is automatically calibrated and zeroed. Find and fix small problems before they can become big ones.
- Remotely Operated via the Web and Mobile – Never have to leave the office to operate a unit, as the mobile and web apps can be used to change configuration, take a measurement, control interruption, and initiate instant off readings.
- Integrated Compliance Solution – Complete end-to-end system to prove regulatory compliance, with filtered measurements easily imported into PCS where they can be made into compliance reports.
| Feature | Benefit |
| Analog channels measure both AC and DC Potentials | Single unit to measure rectifier volts and amps, pipe-to-soil potential, shunts, Instant Off and more |
| One percent of reading accuracy | Extremely accurate current and voltage measurements |
| Digital channels provide discrete/close contact inputs and accumulator functionality | The unit can also be used for intrusion detection, threshold detection and other state changes as well as pulse counting for metering |
| 10 MΩ impedance | Improved pipe-to-soil accuracy where just a few mA can be the difference between being in compliance and not |
| Pipeline Compliance System (PCS) integration | Import RMU data directly or file transfer using Bullhorn Web |
| Compatible with global cellular networks | Quickly communicate anywhere in the world where digital cellular network coverage is available. |
| Two-way communication | Within seconds poll, reconfigure, modify reporting schedules, set alarm thresholds and update firmware over-the-air |
| Sends alarms based on specific events (e.g. reading out of range, power loss, intrusion detection, etc.) | Receive unlimited notifications via text message, email, and voice |
| Configurable over-the-air via Bullhorn Web or locally via USB |
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| Built-in GPS synchronized interruption |
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| Unique Interference Mode interruption for influence studies is compatible with the RM4010, RM4011, RM4151, MicroMax GPS300, and GPS350 interrupter |
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| Bullhorn Web system communicates unit status by email, text, or web notifications |
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| Internal backup battery | Receive alarms when power fails |
| More than 6.6 kV built-in surge protection per IEC 61000-4-5 specification | Increase product reliability with immunity to lightning and other surges |
Specifications
| Inputs |
| 5 Analog Channels |
| DC voltage range: +/-150 V |
| AC voltage range: 150 V |
| Input impedance: 10MΩ |
| Accuracy of 1% of reading |
| Scan rate: once every 30 seconds |
| Channel-to-channel isolation: ≥ 250 V DC |
| 2 Digital Channels |
| Functions: digital input, accumulator, accumulator reset, or contact closure (0 - 24 V DC) |
| Logic levels: minimum Logic 1 = 2 V; maximum Logic 0 = 1 V |
| Scan rate: 20 scans per second |
| Accumulator maximum cycle rate = 1 cycle/2 s; minimum state change period = 1 s |
| Minimum pulse width: 250 ms |
| Interruption Option |
| Maximum current: 500 mA DC |
| Output voltage: 10 – 14 V DC |
| Minimum switching cycle: 1 s |
| On/off cycle increments: 100 ms |
| Interruption modes: daily, interference, start/stop, continuous, and Instant Off |
| Interference mode: set up to 99 rectifiers or groups for influence studies |
| Relay types: NO or NC, solid state or mechanical |
| Instant Off |
| Analog channel 3: ± 10 V DC, sampled 60 times per second |
| IR drop edge delay: 0 to 60 seconds in increments of 1 ms |
| Configuration: GPS-synchronized measurement using configurable On, Off, and delay settings |
| Communications |
| Worldwide compatibility on 2G/3G/HSPA/4G GSM networks |
| Carrier independent. Automatically selects the best signal |
| Poll, reconfigure, and set alarm thresholds over-the-air |
| Software Interface |
| Bullhorn Web |
| Bullhorn Tools for PC |
| Power Supply |
| AC: 100 - 240 V AC with included AC/DC converter |
| DC: 10 - 14 V DC with interruption; 5-25 V DC without interruption |
| Backup: internal sealed rechargeable battery |
| Dimensions |
| Internal mount: polycarbonate enclosure (7.9” x 5.0” x 2.2”) |
| External mount: NEMA 4X compliant enclosure (4.0” x 7.3” x 12.4”) |
| Data Integrity |
| Data stored in non-volatile (EEPROM) memory. |
| Environment |
| Temperature: -30° C to +70° C |
| Humidity: 0 - 100% non-condensing |
| Compliance |
| FCC part 15 |
| NEMA 4X compliant enclosure |
| ESD: 8kV Air / 4 kV Contact |
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