Product Name:8mm Eddy Current Sensor
Brand Name: Emerson Epro
Model Number: PR6423/10R-010
Country of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Emerson Epro |
Model Number: |
PR6423/10R-010 |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Model |
PR6423/10R-010 |
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Manufacturer |
Emerson / epro |
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Product Type |
8 mm Eddy Current Sensor (non-contacting) |
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Tip Diameter |
8 mm |
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Case Thread |
3/8-24 UNF |
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Armored Cable |
No (standard cable) |
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Sleeve Length |
25 mm (010 = 25 mm) |
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Cable Length |
1 + 3 m = 4.0 m total |
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Cable End |
Lemo connector (male) |
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Mounting Type |
Reverse mount (R) |
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Linear Measurement Range |
2 mm (80 mils) |
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Initial Air Gap |
0.5 mm (20 mils) |
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Incremental Scale Factor (ISF) |
8 V/mm (203.2 mV/mil) ±5% @ 0…45°C |
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Deviation from Best Fit Straight Line (DSL) |
±0.025 mm (±1 mil) @ 0…45°C |
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Target Material (Standard) |
42CrMo4 (AISI/SAE 4140) ferromagnetic steel; other materials on request |
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Minimum Shaft Diameter |
25 mm (0.79 in) |
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Sensor Tip Material |
PEEK (Polyether Ether Ketone) |
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Case Material |
Stainless steel |
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Cable Material |
PTFE (Polytetrafluoroethylene) |
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Connector Material |
Brass, nickel-plated |
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Protection Class |
IP66 (IEC 60529) |
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Operating Temperature (Sensor incl. 1 m cable) |
–35 to +180°C (–31 to +356°F) |
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Operating Temperature (Cable & Connector) |
–35 to +150°C (–31 to +302°F) |
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Weight (approx.) |
100 g (3.53 oz) |
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Certifications |
CE, ATEX, IEC-Ex, CSA |
The PR6423/10R-010 is an 8 mm eddy current sensor from Emerson‘s PR6423 series, engineered for non‑contact dynamic displacement measurement on critical turbomachinery. The PR6423/10R-010 features a 3/8‑24 UNF thread, standard (non‑armored) PTFE cable, and a 25 mm sleeve length with reverse‑mount configuration. The PR6423/10R-010 offers a 2 mm linear range with 8 V/mm sensitivity, IP66 protection, and a wide –35 to +180°C operating range. The PR6423/10R-010 is ATEX/IEC‑Ex certified for hazardous areas and is compatible with epro‘s MMS 6000 series converters, making it suitable for radial and axial vibration, position, eccentricity, and speed monitoring on turbines, compressors, pumps, and fans.
Exceptional Temperature Stability – The PR6423/10R-010 maintains ±5% scale factor accuracy and ±0.025 mm linearity across the 0…45°C range, ensuring reliable measurements in thermally challenging environments where competitive sensors may drift significantly.
IP66 Environmental Protection – The sensor meets IP66 dust‑tight and water‑jet‑proof standards, enabling installation in harsh, wash‑down, or outdoor locations without additional protective housings.
Full Hazardous Area Certification – ATEX, IEC‑Ex, and CSA approvals (intrinsic safety and non‑sparking) simplify global deployment in Zone 0/1/2 and Division 1/2 hazardous areas, reducing project engineering complexity.
High‑Temperature Capability – Withstands –35 to +180°C at the sensor tip and –35 to +150°C at cable/connector, making it suitable for steam turbine casings and other high‑temperature machinery where standard sensors would fail.
Small Target Compatibility – Measures accurately on shafts as small as 25 mm diameter, enabling use on smaller turbines, gearboxes, and pumps that cannot accommodate larger sensors.
True Interchangeability – Factory‑calibrated to AISI 4140 steel with precise ISF and DSL specifications, allowing sensor replacement without field recalibration—reducing downtime and maintenance cost.
Reverse‑Mount Configuration – The reverse‑mount option allows installation where standard front‑mount probes cannot fit, providing flexibility for space‑constrained machinery designs.
Non‑Contact Eddy Current Principle – Measures displacement without physical contact, eliminating wear and ensuring long‑term reliability
2 mm Linear Measurement Range – Provides 80 mils of linear travel with 0.025 mm typical deviation from best‑fit straight line
High Sensitivity – 8 V/mm (203.2 mV/mil) ±5% scale factor delivers strong signal output for precise monitoring
Wide Temperature Range – Operates from –35 to +180°C (–31 to +356°F) at sensor tip, suitable for high‑temperature turbine applications
IP66 Protection – Dust‑tight and protected against powerful water jets, enabling use in harsh industrial environments
PEEK Sensor Tip – High‑performance polymer provides excellent chemical resistance and thermal stability
PTFE Insulated Cable – Fluoropolymer insulation withstands high temperatures and aggressive chemicals
Hazardous Area Approved – ATEX, IEC‑Ex, and CSA certified for intrinsic safety (ia) and non‑sparking (nA) applications
Reverse Mount Design – Enables installation where front‑mount probes are not feasible due to space constraints
True Interchangeability – Factory‑calibrated to AISI 4140 steel; no field matching or bench calibration required
Mounting Considerations
The PR6423/10R-010 uses a 3/8‑24 UNF case thread with a 25 mm sleeve length. Ensure the mounting hole is tapped accordingly.
For reverse‑mount installations, the sensor is inserted from the inside of the machine casing outward. Follow the specific reverse‑mount procedure in the installation manual.
Use a SW 7/16 in wrench for tightening the sensor case. Recommended torque: refer to the converter/installation documentation.
Maintain the initial air gap of 0.5 mm (20 mils) at the center of the linear range for optimal performance.
The minimum target shaft diameter is 25 mm (0.79 in). For smaller shafts, consult Emerson for alternative sensor options.
Cable Routing
The sensor comes with a 4.0 m PTFE‑insulated cable terminated with a Lemo male connector (or optional open cable end).
Minimum bending radius: 25 mm (0.984 in) for standard cable. Avoid sharp bends to prevent cable damage.
Route the cable away from high‑voltage lines and heat sources to maintain signal integrity.
Use the optional MPT 064 Metal Protection Tube for additional mechanical protection in abrasive environments.
For connections in hazardous areas, follow the appropriate ATEX/IEC‑Ex installation drawings (refer to converter documentation).
System Integration
The PR6423/10R-010 is compatible with epro‘s MMS 6000 series converters (e.g., MMS 6110, MMS 6120, MMS 6312) and other Emerson/GE monitoring systems.
Connect the Lemo connector to the matching converter input or use the appropriate extension cable.
The sensor‘s sensitivity is factory‑calibrated to AISI 4140 steel. For other target materials, a calibration adjustment may be required (contact Emerson).
Q1: What is the difference between PR6423/10R-010 and the standard PR6423/10 sensor?
A1: The PR6423/10R-010 features reverse‑mount (R) configuration with a 25 mm sleeve and standard cable. The “010” suffix indicates the sleeve length (25 mm). Reverse mount allows installation from inside the machine casing, whereas standard mount is installed from outside.
Q2: What target material is the PR6423/10R-010 calibrated for?
A2: The sensor is factory‑calibrated to AISI/SAE 4140 (42CrMo4) ferromagnetic steel. Calibration to other target materials is available upon request. Using a different target material without recalibration may affect the scale factor and accuracy.
Q3: Can the PR6423/10R-010 be used in ATEX Zone 0 hazardous areas?
A3: Yes, the PR6423/10R-010 has intrinsic safety (ia) certification for use in ATEX/IEC‑Ex Zone 0 hazardous areas, provided it is connected to an appropriate intrinsically safe converter and installed per the relevant installation drawings.
Q4: What is the maximum cable length for the PR6423/10R-010?
A4: The total system cable length (sensor cable + extension cable) is limited by the converter‘s specifications. Typically, up to 9 meters total is acceptable, but consult the converter manual for exact limits. Longer lengths may degrade the signal.
Q5: Can the PR6423/10R-010 be replaced without recalibration?
A5: Yes. The PR6423/10R-010 is designed for true interchangeability. Thanks to its factory calibration, a replacement sensor can be installed without performing a full system recalibration, as long as the target material and mounting geometry remain unchanged.
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