9134X / 9134W 4-Channel CORRATER® Probe Interface Module

The Model 9134X or 9134W CORRATER® Probe Interface Module (PIM) is the front end interface for use with CORRATER® Probes in dedicated continuous on-line ICMS™ Corrosion Monitoring systems. An explosion proof enclosure allows the unit to be mounted in an electrical hazardous area of the plant as close to the probes as possible minimizing cabling costs and optimizing performance. Integral safety barriers permit conventional cabling connections to the probes without explosion proof conduit. For non-hazardous areas, a NEMA 4 enclosure is available. This cost-effective unit interfaces from 1 to 4 CORRATER® probes of any type to the central Corrosion Monitoring Computer via a low cost RS-485 cable. Up to 32 PIMs (128 probes) can be connected over the RS-485 communications network. Rohrback Cosasco’s patented Solution Resistance Compensation Method, permits use of the Model 9134 CORRATER® PIM in fluids with conductivities in some cases below 10 micro-mhos/cm (µ S/cm) depending on corrosion rate, with standard 2-electrode CORRATER® probes. This is a significantly better performance than the best competitive instrument operating with 3-electrode probes. In addition, the Model 9134 includes an automatic cycle time setting, and other powerful proprietary features enhancing the Solution Resistance Compensation.

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