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Emerson PR9268/200-000 Electrodynamic Velocity Sensor – 4–1000 Hz
Emerson PR9268/200-000 Electrodynamic Velocity Sensor – 4–1000 Hz
Electrodynamic Velocity Sensor
Absolute Vibration Transducer
4–1000 Hz Frequency Range
Place of Origin:
Germany
Brand Name:
EMERSON
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Product Details
Place Of Shipment:
Xiamen,China
Shipping:
TNT, DHL, FedEx, EMS, UPS
MOQ:
1 Piece
Highlight:
Electrodynamic Velocity Sensor
,Absolute Vibration Transducer
,4–1000 Hz Frequency Range
Payment & Shipping Terms
Minimum Order Quantity
1
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
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Product Description
Emerson EPRO · PR9268 Series
Emerson PR9268/200-000 Electrodynamic Velocity Sensor
An electrodynamic absolute-vibration transducer for critical rotating machinery, configured for vertical measurement with a 3 m armored cable and Harting connection.
Measurement Vertical
Frequency 4–1000 Hz
Cable 3 m armored
Cable End Harting
01 · TECHNICAL DATA
Technical Specifications
Manufacturer data
| Product type | Electrodynamic velocity sensor / absolute vibration transducer |
|---|---|
| Measuring principle | Low-tuned seismic measuring principle with electrodynamic mechanical/electrical conversion |
| Sensitivity | 28.5 mV/(mm/s) ±5% at 20°C, 80 Hz and 100 kΩ load |
| Natural frequency | 4.5 Hz ±0.75 Hz at 20°C and 100 kΩ load |
| Transverse sensitivity | 0.13 at 110 Hz for PR 9268/20x-x00 |
| Vibration amplitude | 3000 µm peak-to-peak; limit stops at 4000 µm peak-to-peak |
| Amplitude linearity | <2% |
| Maximum acceleration | 10 g peak-to-peak continuous; 20 g peak-to-peak short-time |
| Maximum transverse acceleration | 2 g peak-to-peak |
| Damping factor | 0.56 at 20°C; 0.42 at 100°C |
Show additional electrical & environmental specifications
| Resistance measuring circuit | 1875 Ω ±10% |
|---|---|
| Resistance — measuring coil | 375 Ω ±10% |
| Active inductance | <90 mH |
| Active capacity including cable | <1.2 nF |
| Insulation resistance | >1000 MΩ at a test voltage below 100 V DC |
| Operating temperature | −20 to +100°C for transducer without connector; −40 to +125°C for connector |
| Short-time temperature | Up to 120°C for less than 4 hours |
| Protection class | IP55 |
| Housing material | Al Mg Si Pb F28 |
| Cable construction | 3 × 0.5 mm², shielded, PTFE coating |
| Cable protection | Stainless-steel metal protection hose for the armored configuration |
| Minimum cable/protection-hose bending radius | 35 mm |
| Connector | 6-pole Harting plug; 6-pole socket supplied |
| Net weight | Approximately 930 g including cable, connector and plug |
Source: Emerson, Machinery Health Sensor PR 9268/xxx-xxx, Absolute Vibration Transducers, Installation Guide MHM-97479 Rev. 3.9, February 2025. The ordering matrix identifies PR 9268/20x-x00 as vertical, with armored-cable and Harting-end options.
02 · SYSTEM MATCH
Compatibility & Replacement
System application: PR9268 is documented within Emerson EPRO machinery-health measurement and protection applications, including systems using the A6120 Bearing Vibration Monitor and A6500-xR System Rack documentation.
03 · APPLICATION
Application & Fault Scenarios
Critical rotating machinery
PR9268 electrodynamic transducers are intended for absolute vibration measurement on critical turbomachinery such as steam, gas and hydro turbines, compressors, pumps and fans.
Typical fault concerns: Sensor failure, damaged cable, abnormal resistance, missing vibration signal, or a failed monitoring channel. Shutdown concern: Loss of a vibration measurement channel can affect machinery monitoring or protection and should be resolved before returning the protection function to service.
04 · INSTALLATION
Mounting, Connection & Diagnostics
Mounting surface
Use a flat, clean surface and firmly tighten the mounting screws.
Mounting angle
Vertical measurement: ±30° without sinking current; up to ±60° with sinking current, with reduced accuracy without compensation.
Harting connection
For PR9268/20x-x00, resistance and signal checks use Harting pins 2 and 3.
Resistance check
1875 Ω indicates the transducer circuit condition specified by Emerson; 0 Ω indicates a short circuit and ∞ Ω a cable break.
Signal check
With the sensor disconnected from the system, gentle movement in measuring direction can generate approximately 1–2 V AC.
Repair / calibration
Emerson states that repair or calibration is only possible at Emerson.
05 · SUPPLY
Delivery, Warranty & RFQ
AMIKON supply
Delivery 3–5 Days 12-Month Warranty Brand New Packaging Pre-shipment Testing
Items are checked and securely packed before shipment. DOA cases should be reported promptly with order details and supporting evidence.
RFQ — five details
Part Number · Quantity · Destination · Required Date · Machine/System Model
Talk to AMIKON
AMIKON Industrial Automation
Contact: Miya Zheng
Have a machine waiting on one small part? Send us the complete part number and, if possible, a photo of the nameplate. We will start with the exact configuration rather than making you sort through similar models.
06 · BUYER FAQ
PR9268/200-000 FAQ
Does PR9268/200-000 use an armored cable and Harting connector?
Yes. The Emerson ordering matrix identifies the PR9268/20x-x00 vertical configuration with armored-cable options, and code /200-000 corresponds to the 3 m armored cable and Harting cable-end combination.
What sensitivity should be configured for PR9268/200-000?
Emerson specifies 28.5 mV/(mm/s) ±5% for the PR9268/20x-x00 configuration at 20°C, 80 Hz and 100 kΩ load.
What mounting angle is allowed for PR9268/200-000?
The nominal direction is vertical. Emerson specifies a maximum deviation of ±30° without sinking current and up to ±60° with sinking current; measurement accuracy can be reduced without the required compensation.
How do I check a PR9268/200-000 when the vibration signal is missing?
Emerson recommends resistance, insulation-resistance and signal-generation checks. For the PR9268/20x-x00 configuration, the resistance measurement is made between Harting pins 2 and 3, and gentle movement can produce approximately 1–2 V AC.
Can the PR9268/200-000 be repaired or calibrated locally?
Emerson's installation guide states that repair or calibration of the transducer is only possible at Emerson.
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