EPRO CON021 PR6426/010-130 Safety Proximity Sensor
Manufacturer: Emerson
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Part Number: CON021+PR6426/010-130
Condition：New with Original Package
Product Type: Proximity Sensors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
EPRO CON021+PR6426/010-130 Eddy Current Transducer System
The EPRO CON031+PR6426/010-130, also cataloged as the CON021+PR6426 Eddy Current Transducer System, operates as a dedicated hardware component for non-contact shaft displacement measurement within rotating machinery networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CON021+PR6426/010-130 |
| Brand | EPRO (Emerson) |
| Origin | USA |
| Weight | 1.12 kg (Combined converter and armored sensor assembly) |
| Dimensions | 4.1 cm x 12.5 cm x 10.5 cm (Converter), 8 mm probe tip diameter |
| Operating Temp | -35 to +180 deg C (Sensor), -30 to +100 deg C (Converter) |
| Power Consumption | 0.85 W (Nominal draw at -24 VDC supply voltage) |
| Sensor Type | Long-range eddy current probe |
| Measuring Range | ±4.0 mm static displacement |
| Sensitivity | 2 V/mm (50.8 mV/mil) |
| Nominal Gap | ~5.5 mm |
| Shaft Diameter | Higher than or equal to 200 mm |
| Target Material | Ferromagnetic steel (42CrMo4 / AISI 4140) |
| Frequency Range | 0 to 20,000 Hz (-3 dB converter band) |
| Rise Time | Less than 15 us |
| Linearity Error | Less than or equal to 1-3.5% depending on configuration range |
| Supply Voltage | -23 VDC to -32 VDC (For -4 to -20 V output) / -21 VDC to -32 VDC (For -2 to -18 V output) |
| Storage Temperature | -40 to +70 deg C |
| Shock/Vibration | 5 g @ 60 Hz @ 25 deg C |
| Pressure Resistance | 6500 hPa |
| Max Cable Temperature | +200 deg C |
| Protection Class | IP20 (Converter), IP66 (Sensor head assembly) |
| Housing Material | LMgSi alloy (Converter), Stainless steel case with PEEK/PPS tip (Sensor) |
| Certifications | CE, ATEX, IECEx, CSA (Intrinsic Safety Ex ia IIC T4/T6 Gb) |
Mechanical Monitoring & TSI Features
The transducer driver executes high-precision eddy-current probe scaling protocols, converting the inductive proximity field variations into linear analog signaling outputs. Plant engineers perform gap voltage validation (-10 VDC targets) during baseline static alignment setups to confirm that the larger-diameter turbomachinery shaft rests exactly within the center of the ±4.0 mm operational envelope. The broad input frequency response captures multi-directional rotor dynamics, recording transient phenomena such as structural unbalance, axial thermal expansion, and sub-synchronous oil whip limits. The internal driver layers inside the CON021 enclosure maintain strict cross-talk suppression balancing to counteract electromagnetic field overlays when radial sensors share immediate mounting brackets on the turbine housing.
Frequently Asked Questions
Q: How does target shaft diameter affect the calibrated instrumentation loops?
A: The long-range eddy current sensor loop requires a minimum shaft diameter configuration of 200 mm. Installing the sensor against smaller curved profiles distorts the target boundary parameters, which alters the factory 2 V/mm sensitivity footprint.
Q: Is hot-swap replacement permitted for the CON021 signal converter block?
A: No. Disconnecting electronic driver lines under live -24 VDC voltage poses ignition risks in areas requiring intrinsic safety execution. Technicians must completely isolate the negative DC power source before swapping the converter module hardware.
Q: What are the primary limits for cable protection in high thermal zones?
A: The armored PTFE sensor lead assembly permits continuous exposure limits up to 180 deg C, with short-duration thermal excursions expanding up to 200 deg C for windows under 4 hours before baseline calibration characteristics change.
Field Installation Guidelines
- Sensor Gap Calibration: Thread the stainless steel probe body into the bracket housing, adjusting position depth until the voltmeter indicates the target midpoint offset, establishing the true center of the ±4.0 mm measurement line.
- Shield Grounding Protocols: Route the armored cable outer braided shield straight to the machine bulkhead ground plane. Maintain complete shield isolation up to the main instrument terminal strip to mitigate high-frequency ground loop noise.
- Mechanical Path Clearing: Check that the field routing pathways maintain a minimum 200 mm shaft face arc clearance to bypass edge radiation interference. Secure the sensor sleeve to stop persistent vibration chafing against raw iron edges.
- Converter Housing Mounting: Snaps the LMgSi alloy CON021 converter chassis onto standard symmetric 35 mm DIN-rail tracking arrays inside a dedicated enclosure to safeguard the internal IP20 circuit architecture from ambient factory dust.