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Help CenterEmerson PR6426/000-010 + CON021 Eddy Current Sensor System – Non-contact Shaft Vibration and Gap Measurement
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Warranty: 365 days
Delivery time: 1 week for in-stock; no more than one month at the latest
Payment: 50% advance payment; full payment prior to delivery
Express delivery: FedEx, UPS, DHL
Matched probe + driver set – PR6426 works with CON021 for stable, calibrated displacement and vibration readings.
Non-contact measurement – Eddy current technology tracks shaft motion without touching the rotor, reducing wear and drift.
Dual signal availability – The CON021 typically provides a DC gap (position) output and an AC dynamic vibration signal for condition monitoring systems.
Robust in harsh environments – Stainless-steel probe construction and oil-resistant cabling are built for turbines, compressors, and gearboxes.
Flexible mounting – Common threaded sleeves or clamp mounts; easy gap setting with feeler gauges during startup.
System compatibility – Analog outputs are straightforward to integrate with most industrial monitors, DCS inputs, and protection systems.
Service-friendly – You might notice that the driver is panel- or rail-mountable, making replacements and loop checks quicker.
| Brand / Model | Emerson PR6426/000-010 + CON021 |
| Product Type | Eddy current proximity probe with driver (proximitor) |
| HS Code (reference) | 903180 (Measuring or checking instruments, NESOI) |
| Power Requirements | CON021: 18–30 VDC (24 VDC nominal); PR6426 probe is passive, powered via driver |
| Signal I/O Types | Analog DC gap (position) and AC dynamic vibration (via CON021); non-contact eddy-current sensing of ferromagnetic targets |
| Communication Interfaces | None (analog outputs for direct connection to monitors/DCS) |
| Operating Temperature | CON021 typically -35 to +85°C; probe and cable available in high-temperature configurations depending on variant |
| Dimensions & Weight | Slim cylindrical probe with integral cable; weight depends on ordered cable length (PR6426/000-010 variant-specific) |
| Installation Method | Threaded sleeve or clamp mount; set probe-to-shaft gap with feeler gauge; shielded cable to CON021 in protected routing |
This set seems to be a solid fit for:
Steam and gas turbines – continuous radial vibration and shaft axial position
Centrifugal and reciprocating compressors – surge protection input and condition monitoring
Large process pumps and fans – imbalance/misalignment detection and trending
Generators and motors – sleeve bearing vibration and thermal growth tracking
Metals, paper, and petrochemical lines – gearbox vibration and rotor displacement
One thing I appreciate is how maintenance teams can tap both the DC gap and the AC dynamic signal for protection and diagnostics at the same time. A maintenance lead at a gas plant told us they cut unplanned outages after standardizing on this probe/driver pairing across compressors.
Reliability – Stable calibration over long runs; less drift means fewer re-gaps after shutdowns.
Compatibility – Analog signals are easy to land on most monitoring racks and DCS AI cards.
Lifecycle cost – Reusable mounting hardware and field-serviceable drivers can reduce total cost in many cases.
Lead-time flexibility – Typically faster to deploy than full rack upgrades; ideal for replacements or spares programs.
Technical support – Clear wiring and commissioning steps—technicians usually need minimal training to verify signals.
Cabinet and environment – Mount the CON021 inside an industrial panel (IP-rated enclosure). Provide ventilation and keep within the driver’s temperature limits.
Wiring – Use shielded, routed cabling away from VFDs and high-current paths. Properly ground the shield at the driver end.
Probe mounting – Install via threaded sleeve/clamp; orient toward a clean, ferromagnetic shaft surface. Set initial gap with a feeler gauge per your target range.
Commissioning – Verify DC gap voltage at standstill, then check AC dynamic signal during a slow-roll or balancing run.
Routine care – Inspect probe tips for debris or rub marks; clean as needed. Tighten fittings after thermal cycles. Confirm calibration during planned outages.
Firmware/records – No firmware on the probe/driver; keep wiring diagrams, setpoints, and calibration logs up to date for audits.
Manufacturer quality systems typically align with ISO standards
CE compliant; RoHS conformity typically available for standard configurations
Hazardous-area variants (such as ATEX/IECEx) may be available depending on the exact PR6426 and CON021 ordering code
Manufacturer’s warranty: 12 months (365 days)
Threaded sleeves and clamp mounts for PR6426
Extension cables and armored cabling options
Panel/rail mounting kits for CON021
Spare probe tips and sealing hardware for oil-filled bearing housings
If you need help confirming the exact tip size, cable length, or mounting thread for PR6426/000-010—or how the CON021 should be wired into your monitoring system—share your current rack or DCS model and we’ll match the I/O and gap targets so you can commission with fewer surprises.
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