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PR9268-201-100

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Emerson PR9268-201-100 is a vertical electrodynamic velocity sensor with a 5 m armored cable and open cable end.
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Technical specifications for PR9268-201-100

  • Manufacturer:
    Emerson
  • Part Number:
    PR9268-201-100
  • Product Family:
    AMS 6500 Machinery Health Monitor
  • Product Type:
    Vertical Electrodynamic Velocity Sensor
  • Stock:
    1
  • Measurement Orientation:
    Vertical
  • Cable Protection:
    Armored
  • Cable Length:
    5 m
  • Frequency Range:
    4...1000 Hz
  • Natural Frequency:
    4.5 Hz ±0.75 Hz at 20 °C and 100 kΩ
  • Sensitivity:
    28.5 mV/(mm/s) ±5% at 20 °C, 80 Hz, and 100 kΩ
  • Damping Factor:
    0.56 at 20 °C; 0.42 at 100 °C
  • Common Vibration Amplitude:
    3000 µm p-p
  • Limit Stops:
    4000 µm p-p
  • Permissible Acceleration:
    10 g p-p continuous; 20 g p-p short duration
  • Circuit Resistance:
    1875 Ω ±10%
  • Cable:
    3×0.5 mm² shielded, PTFE-coated
  • Minimum Bend Radius:
    35 mm
  • Sensor Temperature:
    −20...100 °C; up to 120 °C for less than 4 h
  • Protection Class:
    IP55
  • Cable End:
    Open cable end
  • Weight:
    0.93 kg
  • Tariff Code:
    9031809090
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Orientation Wiring Environment Application

Features:

  • Electrodynamic spring-mass sensing for absolute vibration velocity in the vertical direction
  • The ordering code provides a 5 m armored cable for protected fixed routing
  • An open cable end supports connection to the specified measuring and protection circuit

Emerson PR9268-201-100 converts housing vibration into an electrical signal without an external excitation supply.

The vertical configuration must be installed within the official angular limits so gravity acts on the spring-mass system as intended.

Confirm the mounting plane, signal polarity, cable route, electrical load, machine frequency range, environmental limits, and hazardous-area circuit before commissioning.

Availability, condition, price, and shipping time for PR9268-201-100 are confirmed during quotation.

Emerson PR9268-201-100 Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Code 20 identifies the vertical-measurement configuration
  • Maximum deviation is ±30° without sinking current
  • Maximum deviation can reach ±60° when the approved sinking current is used
  • Code 1 specifies a 5 m armored cable
  • Suffix 100 specifies an open cable end
  • The shielded PTFE-coated cable uses three 0.5 mm² conductors
  • The sensor operates from −20...100 °C and may reach 120 °C for less than four hours
  • The connector temperature range is −40...125 °C
  • The enclosure protection class is IP55
  • Monitor vertical case vibration on steam, gas and hydro turbines with PR9268-201-100
  • Measure vertical bearing-housing vibration on compressors and pumps
  • Provide velocity-based protection input for fans and other critical rotating machinery
Description
PR9268-201-100 is an Emerson Epro electrodynamic velocity sensor for absolute vibration measurement in the vertical direction.

The official PR9268/201-100 configuration provides a 5 m armored cable with an open cable end, 4...1000 Hz response, and 28.5 mV/(mm/s) nominal sensitivity.

Before installing or replacing PR9268-201-100, verify the vertical mounting direction, allowed angular deviation, mounting surface, cable route, 35 mm bend radius, polarity, load, temperature, vibration amplitude, and hazardous-area circuit.
Alternative Names
PR9268-201-100 PR9268/201-100 PR9268201100 PR9268 201 100 Emerson PR9268-201-100 Emerson Epro PR9268/201-100 Epro PR9268-201-100
Technical notes
PR9268-201-100 requires vertical alignment, rigid mounting, correct polarity and 100 kΩ reference loading, protected routing of its 5 m armored cable, and verification of temperature and approval limits.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can Emerson PR9268-201-100 replace a horizontal PR9268 installation?
No. This exact code is the vertical version; the permitted mounting angle and internal suspension differ from the horizontal family.
How should the open cable end of Emerson PR9268-201-100 be terminated?
Preserve the conductor identification, signal polarity, shield connection, insulation, and high-impedance measuring input shown in the Emerson wiring diagram before energizing the monitoring channel.
What does the armored cable protect on Emerson PR9268-201-100?
The metal protection hose improves mechanical protection for the fixed 5 m cable. It does not remove the need for strain relief, a 35 mm minimum bend radius, or protection from hot and moving parts.
Can Emerson PR9268-201-100 be tested with a low-resistance meter input?
Use the loading conditions in the Emerson procedure. Sensitivity is specified with a 100 kΩ load; a low input resistance can change the measured signal.
What mounting-angle limits apply to Emerson PR9268-201-100?
Install the sensor vertically. Emerson permits a maximum deviation of ±30° without sinking current and up to ±60° only when the approved sinking current is used.
How should short high-temperature exposure be handled for Emerson PR9268-201-100?
The sensor is specified to 100 °C continuously and may reach 120 °C for less than four hours. Verify the connector, cable route, mounting surface, and hazardous-area temperature class separately.
What information should accompany a quote for Emerson PR9268-201-100?
Provide the complete PR9268/201-100 designation, clear label and cable-end photos, mounting orientation, cable condition, monitoring system, required condition, and quantity.

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