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MOBILTEX RELEASES THE CORTALK PI-1 — NEXT GENERATION GPS SYNCHRONIZED POCKET CP INTERRUPTER WITH LONG BATTERY LIFE

Highest Lightning, Surge and Overvoltage Immunity

MOBILTEX CorTalk RMU devices have continually proven themselves to provide the highest level of lightning resistance, surviving powerful strikes and continuing to transmit data—even when the rectifier is damaged, inoperable or destroyed.

Remote CP monitoring devices are typically installed on the outside or inside of a CP rectifier and many are powered directly from AC line power via a step-down transformer. But this arrangement leaves the remote CP monitoring device vulnerable to lightning strikes. To mitigate the impact of lightning, CorTalk RMUs are equipped to absorb transient currents and are not bonded to earth ground.

This type of design provides a high level of lightning immunity; increasing the chances that the device can survive a lightning strike and also improving the likelihood that it will remain operational without the need to reset breakers or replace overloaded components. These same principles also apply for the CorTalk RMU1 Cathodic Protection monitoring devices at test stations for bonds and coupons.

In some of these situations, the MOBILTEX RMU may also suffer damage and show heavy scoring on the measurement block and melting of the antenna housing. MOBILTEX incorporates a two-piece design in the RMU2 and RMU3 devices, comprised of a measurement block that is installed inside the rectifier, and a compact, discrete antenna that is mounted on top. But in many instances following a lightning strike, the RMU is still functioning and transmitting accurate data at the scheduled intervals—the observed damage is cosmetic. Once the devices are retrieved by a technician, they can be returned to MOBILTEX for testing and cost effective refurbishment, then returned to the field for many more years of service.

The separate measurement and transmission components of the RMU also provide a high level of future proofing. For example, technicians can easily replace the antenna to upgrade the device to new satellite or cellular communication protocols to ensure reliable, uninterrupted transmission of critical CP data. This occurred a few years ago as the industry advanced to the 4G network. Fortunately, the LTE-M protocols that are used for 4G networks are being adopted for the incoming 5G network. This means that any MOBILTEX remote monitoring device that is equipped with 4G LTE-M capability—either from the factory or through an antenna upgrade—will not require any hardware modification to transition to the 5G network. 

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CorTalk RMU1-SUB

The Industry's Toughest RMU Takes Safety to the Next Level - Subgrade Test Station Remote Monitoring of CP single or double coupons and structure bond applications. The CorTalk RMU1-SUB reliably transmits in near real-time via cellular or satellite connections. Control, analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU1-SUB
RMU1 Main Test Station

CorTalk RMU1

Test Station Remote Monitoring of CP single or double coupons and structure bond applications. The CorTalk RMU1 reliably transmits in near real-time via cellular or satellite connections. Control, analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU1

CorTalk RMU1-LITE

Test Station Remote Monitoring of pipe-to-soil potential measurements from two connected reference cells and instant-off potential during interruption. Engineered for large-scale deployments, the CorTalk RMU1-LITE reliably transmits in near real-time via cellular or satellite connections. Control, analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU1-LITE
Photo of RMU1+INT1 Remote Monitoring Units with the MP Corrosion Winner 2021 Graphic

CorTalk RMU1+INT1

Test Station Remote Monitoring of CP single or double coupons and structure bond applications with permanent GPS-synchronized interruption functionality. The CorTalk RMU1+INT1 reliably transmits in near real-time via cellular or satellite connections. Control, analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU1+INT1

CorTalk RMU1-ER

Test Station Remote Monitoring of Electrical Resistance (ER) corrosion probes as well as pipeline potential. The CorTalk RMU1-ER reliably transmits in near real-time via cellular or satellite connections. Control, analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU1-ER

CorTalk RMU3

Remote monitoring and control for rectifiers, test points and bonds with two-way communication and GPS-synchronized interruption, The CorTalk RMU3 reliably transmits in near real-time via cellular or satellite connections. Control, analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU3

CorTalk RMU2

Remote monitoring for rectifiers, test points and bonds with 7+ yrs autonomous battery power, The CorTalk RMU2 reliably transmits in near real-time via cellular or satellite connections. Analysis, alarms, reporting, and collaboration tools via CorView Platform.

CorTalk RMU2

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