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EMERSON • EPRO • PR9268 SERIES
PR9268/203-100
Electrodynamic Velocity Sensor
The PR9268 family is designed for absolute vibration measurement on critical rotating machinery. The sensor converts mechanical vibration velocity into an electrical signal proportional to vibration velocity, making the series suitable for continuous machinery condition monitoring on turbines, compressors, pumps and fans.
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ABSOLUTE VIBRATION
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| PRODUCT PROFILE | |||||||||||
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Absolute Case-Vibration Measurement
PR9268 sensors are mechanical velocity sensors intended for absolute vibration measurement. Their operating principle produces an electrical signal proportional to vibration velocity. This makes the sensor family particularly relevant where the vibration of a machine casing or housing needs to be monitored as part of a machinery protection or condition-monitoring arrangement.
Typical rotating-machine applications include steam turbines, gas turbines, hydro turbines, compressors, pumps and fans. The electrodynamic sensing principle is passive in operation, with the mechanical motion itself producing the measurement signal.
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CORE CONFIGURATION
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| TECHNICAL CHARACTER | |||
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01 / RANGE
4–1000 Hz
Wide vibration-frequency coverage for rotating machinery monitoring.
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02 / OUTPUT
VELOCITY
The electrical signal follows the measured vibration velocity.
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03 / MEASUREMENT
ABSOLUTE
Designed to measure casing or housing vibration rather than relative shaft displacement.
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04 / APPLICATION
ROTATING MACHINES
Turbines, compressors, pumps and fans are representative applications.
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MACHINE SIDE
Vibration
Mechanical movement from the monitored machine casing enters the sensor's inertial sensing structure.
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SIGNAL CONVERSION
MECHANICAL → ELECTRICAL
Electrodynamic operation produces a signal proportional to vibration velocity.
V mV
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SYSTEM SIDE
Monitoring
The resulting signal can be routed into an appropriate monitoring or protection chain for machinery assessment.
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| WHERE THE PR9268 FAMILY FITS | ||
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Turbomachinery
Steam, gas and hydro turbines can use absolute casing-vibration measurement as part of rotating-equipment supervision.
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Compression Equipment
Compressors can be monitored through vibration velocity measurement where casing movement is a relevant machine-health signal.
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Pumps & Fans
The same absolute vibration concept can be applied to pumps and fans within suitable monitoring architectures.
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PR9268 FAMILY
One measurement concept, multiple configurations
The PR9268 family contains multiple order variants designed around the same electrodynamic absolute-vibration measurement concept. The available variants cover different mechanical orientations, cable arrangements and configuration requirements. This is why the complete ordering code matters when replacing an installed sensor.
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| SERIES COMPARISON LOGIC | |||
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PR9268/200 FAMILY
Baseline family variant
Useful when the installed system calls for a /200-series configuration. Exact orientation and connection details must match the installed arrangement.
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PR9268/201–202
Configuration alternatives
These variants belong to the same PR9268 measurement family but should not be substituted solely because the sensing principle is similar.
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PR9268/203-100
Specified replacement target
The complete /203-100 order code should be retained when the installation, orientation and connection arrangement require this exact variant.
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PR9268/301–303
Other mechanical configurations
Related variants extend the family into other mechanical arrangements; the suffix and mounting configuration should be checked before substitution.
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Why the exact code matters
A family-level match does not automatically confirm mechanical or connection compatibility.
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Replacement focus
Compare orientation, cable arrangement, connector arrangement and installed mechanical position.
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System focus
Confirm the receiving monitoring chain is suitable for a velocity-proportional sensor signal.
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REPLACEMENT & CONFIGURATION
What should be checked before ordering?
For an installed PR9268 sensor, the safest purchasing approach is to match the complete part number rather than selecting only by the generic phrase “electrodynamic velocity sensor.” The mechanical installation position, sensor orientation, cable arrangement and connection details can affect interchangeability.
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ORDER CHECK
Existing model → orientation → cable → connector → monitoring input → mechanical mounting
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01
Part number
Match PR9268/203-100 exactly where exact replacement is required.
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02
Orientation
Confirm the physical sensor position against the installed arrangement.
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03
Cable
Check cable length and termination requirements before replacement.
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04
Connection
Verify the connection arrangement with the receiving monitoring chain.
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05
Machine duty
Confirm the sensor is being used for absolute casing-vibration measurement.
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DIRECT CONTACT
Need the exact PR9268 configuration?
Send the complete model number, required quantity and destination. Our sales team can help verify the requested configuration before order processing.
Delivery: 3–5 days
Warranty: 12 months Payment: T/T Delivery way: E-packing / FedEx / EMS / TNT / DHL / UPS |
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Q1. Why should PR9268/203-100 be matched by the complete part number?
The PR9268 family contains multiple variants. A common sensing principle does not by itself confirm interchangeability. The complete order code should be checked against the installed orientation, cable arrangement, connector arrangement and receiving monitoring system.
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Q2. Is PR9268/203-100 intended for shaft displacement measurement?
No. The PR9268 family is intended for absolute vibration measurement and provides an electrical signal proportional to vibration velocity. Shaft-position or shaft-displacement applications belong to different sensor concepts within the wider EPRO product range.
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Q3. Can PR9268/203-100 replace another PR9268 variant automatically?
Not automatically. Related PR9268 variants share the same basic electrodynamic measurement concept, but the mechanical and connection configuration can differ. Replacement should therefore be based on the installed model and complete configuration rather than family name alone.
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Q4. Why is the 4–1000 Hz range relevant when selecting PR9268/203-100?
The range defines the vibration-frequency region covered by the PR9268 measurement concept. It is relevant when the machine's expected vibration components and the receiving monitoring channel need to be evaluated together.
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Q5. What should be checked before ordering PR9268/203-100 for an existing machine?
Check the installed sensor part number, physical orientation, cable length, connector or termination arrangement, mounting position and receiving monitoring input. For a replacement, providing the existing complete model number is the most direct way to reduce configuration uncertainty.
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We continue to innovate and strive to improve the world's automation parts supply level.
No matter where the customer is or how difficult it is to find parts, we hope to connect customers all over the world through parts. Our business scope is wide, and we can provide all kinds of parts for customers around the world.
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AFTER-SALES
Return / Replacement
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Please contact us within 7 days if you have any question after you receiving the items.
The returned items has to be in its original condition, specific reason for the return, we will issue a return or replacement for your order after we received the returns. The buyer is responsible for all the shipping cost incurred. |
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ADDITIONAL AUTOMATION PARTS
Recommended Models
A mixed selection of PLC, DCS, vibration-monitoring, instrumentation, safety and industrial automation components.
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PR9268 / EPRO • GLOBAL PARTS
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| 098918 | MTL5011B | IMDSI14 | X20DO4529 | IC695CPE302-BBAB |
| 3500/40M | F7133 | F-PWR 01 | PR6423/005-110 | IC695CPE305 |
| IC693BEM340-DE | PW484-50 | MMS6210 | IC695CPE305-BHAE | 3CP360.60-1 |
| ANB10D-425-CU2N | 140734-01 | 125680-01 | SENSION156 | 128229-01 |
| 8I0IF109.400-1 | AAP135-S50 | PR6423/002-130 | IC200BEM003-CA | IC693CPU372 |
| PW481-51 | IC693CPU374 | IC695ACC400-AA | IC695PSD140 | IC695RMX128 |
| F7131 | IMFEC12 | IC693CPU350-CG | IC695CPE330 | CDC40105 |
| 8I66T400037.0X-000 | CP360 | 1900C | ALR121-S51 | 5MP050.0653-03 |
| MTL5575 | DR2800 | X20AT2222 | 80SD100XD.C0XX-21 | IC695PSD140E |
| FS-LB-I | 2100P | IC695ACC400 | PR6423/013-000 | 163179-01 |
| SIGA-MCT2 | ST161 | VI702 | IC693CPU374-KZ | IC695ACC402 |
| IC693CPU350 | 8I0IF248.300-1 | PR6423/00R-010 | FS-LBF-11.32 | 5ACPCI.ETH3-01 |
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Embrace the Future of Innovation Unlock the Power of Seamless Automation By integrating advanced automation solutions, real-time analytics, sophisticated control systems, and lifecycle services, improves operational performance while reducing risks, costs, and downtime. WeChat: hu18030235311 | WhatsApp: +86-18030235311 Mobile: +86-18030235311 | E-mail: sales3@amikon.cn
Embrace the Future of Innovation Unlock the Power of Seamless Automation By integrating advanced automation solutions, real-time analytics, sophisticated control systems, and lifecycle services, improves operational performance while reducing risks, costs, and downtime. WeChat: hu18030235311 | WhatsApp: +86-18030235311 Mobile: +86-18030235311 | E-mail: sales3@amikon.cn
Embrace the Future of Innovation Unlock the Power of Seamless Automation By integrating advanced automation solutions, real-time analytics, sophisticated control systems, and lifecycle services, improves operational performance while reducing risks, costs, and downtime. WeChat: hu18030235311 | WhatsApp: +86-18030235311 Mobile: +86-18030235311 | E-mail: sales3@amikon.cn
Embrace the Future of Innovation Unlock the Power of Seamless Automation By integrating advanced automation solutions, real-time analytics, sophisticated control systems, and lifecycle services, improves operational performance while reducing risks, costs, and downtime. WeChat: hu18030235311 | WhatsApp: +86-18030235311 Mobile: +86-18030235311 | E-mail: sales3@amikon.cn
Embrace the Future of Innovation Unlock the Power of Seamless Automation By integrating advanced automation solutions, real-time analytics, sophisticated control systems, and lifecycle services, improves operational performance while reducing risks, costs, and downtime. WeChat: hu18030235311 | WhatsApp: +86-18030235311 Mobile: +86-18030235311 | E-mail: sales3@amikon.cn
Embrace the Future of Innovation Unlock the Power of Seamless Automation By integrating advanced automation solutions, real-time analytics, sophisticated control systems, and lifecycle services, improves operational performance while reducing risks, costs, and downtime. WeChat: hu18030235311 | WhatsApp: +86-18030235311 Mobile: +86-18030235311 | E-mail: sales3@amikon.cn
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