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PR9268-202-100

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Emerson PR9268-202-100 is a vertical electrodynamic velocity sensor with an 8 m armored cable and open cable end.
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Technical specifications for PR9268-202-100

  • Manufacturer:
    Emerson
  • Part Number:
    PR9268-202-100
  • Product Family:
    AMS 6500 Machinery Health Monitor
  • Product Type:
    Electrodynamic Velocity Sensor
  • Stock:
    1
  • Measurement Orientation:
    Vertical
  • Cable Protection:
    Armored
  • Cable Length:
    8 m
  • Cable End:
    Open cable end
  • 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
  • Mechanical Limit Stops:
    4000 µm p-p
  • 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
  • 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 Cabling Diagnostics Application
  • Electrodynamic measuring element generates a velocity-proportional signal without an external sensor supply
  • The 202 ordering code fixes the vertical orientation, armored cable length, and field-termination arrangement
  • The sensor is intended for absolute vibration monitoring on rotating machinery housings

Emerson PR9268-202-100 is the commercial hyphen form of the official PR9268/202-100 configuration.

Its integrated cable armor protects the fixed lead while the open cable end supports termination at the installed monitoring circuit.

Confirm mounting orientation, mechanical condition, wiring polarity, shield termination, cable route, electrical load, and ambient limits before commissioning.

Availability, condition, price, and shipping time for PR9268-202-100 are confirmed during quotation.

Emerson PR9268-202-100 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 specified sinking current is used
  • Install the armored cable without torsion or elongation and protect it against mechanical damage
  • Secure the metal protection hose with a clamp as close as possible to the transducer
  • At the open cable end, green is signal high, blue is signal low, red is the transducer-housing connection, and the cable shield remains separate from the housing
  • A measured circuit resistance of 0 Ω indicates a short circuit
  • A value near the nominal 1875 Ω indicates continuity, while an infinite reading indicates a cable break or interrupted connection
  • For a signal-generation check, disconnect the transducer, measure between the blue and green conductors, and gently move it in the measuring direction; approximately 1...2 V AC can be generated
  • Monitor vertical case vibration on steam, gas and hydro turbines with PR9268-202-100
  • Measure vertical bearing-housing vibration on compressors and pumps
  • Provide velocity-based protection input for fans and other critical rotating machinery
Description
PR9268-202-100 is an Emerson Epro electrodynamic velocity sensor for absolute vibration measurement in the vertical direction.

The official PR9268/202-100 configuration provides an 8 m armored cable with an open cable end and is intended for connection to a compatible high-impedance machinery monitoring circuit.

Before installing or replacing PR9268-202-100, verify vertical alignment, mounting rigidity, polarity, cable protection and bend radius, input load, temperature, shielding, and hazardous-area loop requirements.
Alternative Names
PR9268-202-100 PR9268/202-100 PR9268202100 PR9268 202 100 Emerson PR9268-202-100 Emerson Epro PR9268/202-100 Epro PR9268-202-100
Technical notes
PR9268-202-100 requires vertical mounting and correct open-end termination; verify alignment, polarity, input impedance, 8 m armored cable route, 35 mm bend radius, temperature, and approval conditions.
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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.
How accurately must Emerson PR9268-202-100 be aligned vertically?
Install the sensor vertically within ±30° when no sinking current is used. Emerson permits up to ±60° only with the specified sinking current.
How should Emerson PR9268-202-100 open cable conductors be connected?
Preserve the conductor identification, signal polarity, shield, insulation, and high-impedance monitoring input shown in the Emerson wiring diagram before energizing the channel.
What must be considered when routing Emerson PR9268-202-100 cable?
Use a fixed protected route with strain relief, a minimum 35 mm bend radius, and separation from hot surfaces, moving parts, and interference sources.
Can Emerson PR9268-202-100 replace a horizontal PR9268 sensor?
No. The 202 code is configured for vertical measurement. Match orientation, cable length, cable end, mounting, electrical load, and monitoring-channel settings.
What should be checked if Emerson PR9268-202-100 output becomes intermittent?
Check mounting security, open-end terminals, conductor continuity, shield, insulation, circuit resistance, polarity, cable armor, and the monitoring input before replacing the sensor.
Can Emerson PR9268-202-100 be used above 100 °C continuously?
No. The sensor is specified to 100 °C continuously; exposure up to 120 °C is limited to less than four hours. Verify the cable route and approval temperature class separately.
What information should accompany a quote for Emerson PR9268-202-100?
Provide the complete PR9268/202-100 designation, clear label and cable photos, open-end condition, mounting orientation, monitor type, required condition, and quantity.

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