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EMERSON PR6424-010-140 Emerson EPRO 16 mm Eddy Current Sensor

EMERSON PR6424-010-140
EMERSON PR6424-010-140
EMERSON PR6424-010-140

EMERSON PR6424-010-140 Emerson EPRO 16 mm Eddy Current Sensor

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EMERSON EPRO / EDDY CURRENT
PR6424-010-140
 
Non-contact eddy-current sensing for critical rotating machinery measurement.
01 / TIP
16 mm
Sensor diameter
02 / RANGE
±2.0 mm
Static position
03 / SENSITIVITY
4 V/mm
±1.5%
 
We have a wide range of brands and products for various industries.
We provide services to tens of thousands of customers around the world.
✉ Email
sales@amikon.cn		 ☎ WhatsApp
86-18020776792
 
 
 
 
 
 
MACHINERY HEALTH • EDDY CURRENT MEASUREMENT
PR6424-010-140
Emerson EPRO 16 mm Eddy Current Sensor
A non-contact displacement sensor for critical rotating machinery, designed for radial and axial shaft dynamic displacement, position, eccentricity and speed/key measurement.
CONFIGURATION
 
16 mm tip
M18 × 1.5
Armored cable
10 m / LEMO
PRECISION • NON-CONTACT • MACHINERY PROTECTION
01 / PRODUCT DETAIL
Designed Around the Motion of Large Shafts

The Emerson EPRO PR6424 is a 16 mm eddy current sensor intended for critical turbomachinery applications. Its non-contact operating principle allows shaft displacement and vibration-related motion to be measured without physical contact between the sensing head and the rotating target.

The PR6424 family provides a ±2.0 mm static measurement range and a recommended dynamic range of 100 to 1,000 μm peak-to-peak. Its nominal sensitivity is 4 V/mm (101.6 mV/mil), with a typical center air gap of approximately 2.7 mm when used within the standard measuring range.

The PR6424-010-140 configuration is particularly defined by its physical connection arrangement: M18 × 1.5 sleeve thread, armored cable, 40 mm Cx sensor length, no adaptor plug, 10 m total cable length and LEMO cable termination.
KEY CONFIGURATION
Sensor: PR6424
Tip diameter: 16 mm
Sleeve thread: M18 × 1.5
Armored cable: Yes
Cx length: 40 mm
Total cable: 10 m
Cable end: LEMO
◈
NON-CONTACT
No physical contact with the rotating shaft
◎
4 V/mm
Nominal sensitivity for 42 Cr Mo4
◇
±2.0 mm
Static measurement range
◌
100–1000 μm
Recommended dynamic range
02 / TECHNICAL PROFILE
PR6424-010-140 Specifications
Parameter PR6424-010-140 Specification
Sensor type 16 mm eddy current sensor
Measurement principle Non-contact eddy current measurement
Tip diameter 16 mm
Sleeve thread M18 × 1.5
Armored cable Yes
Cx sensor length 40 mm; overall C dimension is Cx + 12.5 mm
Adaptor plug Without adaptor plug
Total cable length 10 m
Cable end LEMO
Sensitivity / linearity 4 V/mm (101.6 mV/mil), ≤ ±1.5%
Nominal center air gap Approximately 2.7 mm
Static range ±2.0 mm
Dynamic range 0–1,000 μm recommended dynamic range
Target material Ferromagnetic steel; 42 Cr Mo4 is the standard target material
Maximum surface speed 2,500 m/s
Typical shaft diameter ≥80 mm for the standard PR6424 application range
Operating temperature -35 to 150°C (-31 to 302°F)
Temperature error <4% / 100 K, API 670 compliant
Pressure resistance at sensor head 10,000 hPa (145 psi)
Shock and vibration 5 g @ 60 Hz @ 25°C
Sleeve material Stainless steel
Cable material PTFE
What makes the configuration practical?

The armored 10 m cable configuration is suited to installations where the sensor cable needs additional mechanical protection along the route from the machine casing toward the monitoring equipment.

The LEMO termination supports connection within the PR 642x measuring chain. The complete sensor and converter combination is adjusted together for accurate measurement.
Installation points that affect replacement
Holder Stiff and vibration-free
Free space 45° around sensor head
Axial tilt Less than 2°
Tangential offset Maximum 0.5 mm
Cable bending radius Minimum 35 mm for protected/armored cable
03 / PR 642x FAMILY
Choosing the Right Sensor Range
Series Static Range Sensitivity Typical Selection Logic
PR6422 ±0.5 mm 16 V/mm Smaller measurement range
PR6423 ±1.0 mm 8 V/mm Intermediate range and smaller sensor head
PR6424 ±2.0 mm 4 V/mm Large-shaft machinery and wider displacement range
PR6425 ±2.0 mm 4 V/mm High-temperature variant within the same family
PR6426 ±4.0 mm 2 V/mm Wider displacement range and larger sensor head
Series selection note: PR6424 is the family position for a ±2.0 mm static range and 4 V/mm sensitivity. When replacing an existing sensor, the physical configuration, measuring range, converter pairing, target material and installation geometry should be checked together rather than selecting by sensor family alone.
04 / MACHINE APPLICATION
Where PR6424-010-140 fits

PR6424 sensors are intended for critical rotating equipment including steam turbines, gas turbines, hydro turbines, compressors, pumps and fans.

Typical measurement tasks include radial shaft motion, axial shaft displacement, position, eccentricity and speed/key measurements within a suitable eddy current measuring chain.
Machine condition Unexpected shaft vibration, displacement change or eccentricity trend
Replacement case A failed PR6424 sensor requires the same physical and electrical configuration
Long cable route The 10 m armored cable arrangement can suit installations requiring protected cable routing
Protection loop Use with a suitable PR 642x converter and correctly adjusted measuring chain
✦
05 / DIRECT RFQ
Confirm the Exact Configuration Before Ordering
For a replacement request, send the complete part number together with your machine details.
Sales contact
✉   Sales manager: Miya zheng   |   sales@amikon.cn EMAIL SALES WHATSAPP / +86 18020776792
Commercial terms
Delivery 3–5 days
Warranty 12 months
Packaging Brand New
Delivery way E-packing / FedEx / EMS / TNT / DHL / UPS
Payment term T/T
RFQ CHECKPOINT
Please provide Part Number + Quantity + Destination + Required Date + Machine/System when requesting a quotation.
Return & Replacement Terms
Please contact us within 7 days if you have any question after receiving the items.
Returned items must remain in their original condition and be accompanied by the specific reason for return. After the returned items are received, we will arrange a return or replacement for the order where applicable.
The buyer is responsible for shipping costs incurred for the return.
06 / BUYER QUESTIONS
PR6424-010-140 FAQ
Q1. Is PR6424-010-140 the right configuration when the existing installation uses a 10 m armored LEMO sensor?
Yes, the ordering combination PR6424/010-140 corresponds to an M18 × 1.5 sensor with armored cable, 40 mm Cx length, no adaptor plug, 10 m total cable length and LEMO cable end. These physical details should be matched against the installed sensor before placing a replacement order.
Q2. Can PR6424-010-140 be connected to a different PR642x converter already installed in the cabinet?
PR6424 sensors are used with the CON 011, CON 021 and CON 041 converter families, as well as specified integrated transmitter arrangements. For accurate measurement, the sensor and converter form an adjusted measuring chain, so the existing converter type and its adjustment must be checked rather than assuming that every PR642x converter can be exchanged without verification.
Q3. What should be checked before using PR6424-010-140 as a replacement for another PR6424?
Check the sleeve thread, armored-cable requirement, Cx length, adaptor-plug arrangement, total cable length, cable termination, target material and converter pairing. The mounting geometry also matters: PR6424 uses a 16 mm sensor head, requires appropriate free space around the head and has a maximum recommended axial tilting angle below 2°.
Q4. Why would a buyer select PR6424-010-140 instead of moving to PR6423 or PR6425?
PR6424 occupies the ±2.0 mm static-range position in the PR 642x family and provides 4 V/mm nominal sensitivity with a 16 mm sensor head. PR6423 has a smaller ±1.0 mm static range, while PR6425 also provides a ±2.0 mm range but is intended for higher-temperature applications. The choice should therefore follow the required measuring range, temperature conditions, shaft geometry and existing measuring chain.
Q5. What installation conditions should be confirmed before ordering PR6424-010-140 for a critical rotating machine?
Confirm that the mounting holder is stiff and vibration-free, the sensor head has the required 45° free space, the target provides a suitable measuring track, and the cable can be routed without mechanical stress. For PR6424, the maximum tangential offset is 0.5 mm and the maximum axial tilting angle is below 2°. The armored cable requires a minimum bending radius of 35 mm.
07 / AMIKON INDUSTRIAL SUPPORT
Parts, Speed & Practical Support for Manufacturing
AMIKON industrial automation team
◆
AMIKON helps manufacturing facilities locate essential and hard-to-find automation components when maintenance teams need a practical route back to stable operation.
 
Worldwide automation parts distribution
Award-winning spare-parts service
Components from 100+ automation manufacturers
More than ten million parts sold worldwide
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AMIKON automation parts service
Locate the part you need — regardless of age, availability or location.
Our team focuses on helping maintenance and purchasing teams shorten sourcing time, control maintenance cost and restore industrial automation systems efficiently.
08 / RELATED AUTOMATION PARTS
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AMIKON Limited • Industrial Automation Parts • Global Delivery Support
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