Vibro-Meter TQ902-011 Proximity Sensor 111-902-000-011 A1-B1-C40-D2-E5000-F0-G0-H05
Standard-Mount Eddy-Current Proximity Sensor
Non-Contact Displacement Measurement
TQ902-011 111-902-000-011 pdf
Place of Origin:
USA
Brand Name:
VIBRO METER
Standard-Mount Eddy-Current Proximity Sensor
,Non-Contact Displacement Measurement
,TQ902-011 111-902-000-011 pdf
Non-Contact Proximity Measurement
The Vibro-Meter TQ902-011 is a standard-mount eddy-current proximity sensor designed to detect the relative displacement of a conductive target. It forms part of a proximity measurement chain used in rotating machinery monitoring.
Application & Failure Scenarios
Used in compatible shaft-monitoring installations on rotating equipment, including turbines, compressors and pumps.
Common reasons to search for this sensor include an unstable proximity signal, loss of shaft displacement readings, suspected cable or connector damage, or a required replacement during maintenance.
An unreliable measurement channel can affect machinery condition assessment and protection decisions. The operational impact depends on the monitoring and protection architecture of the installed machine.
Technical Specifications
Additional Technical Data & Mechanical Characteristics
| Integral cable | 70 Ω coaxial, FEP-covered, Ø3.6 mm |
| Signal conditioning | Compatible IQS9xx family |
| Sensor construction | Ø8 mm wire coil, PPS thermoplastic tip and AISI 316L stainless-steel body |
| Connector type | Self-locking miniature coaxial connector |
| Connector tightening | Hand-tighten until locked |
| Maximum pressure between sensor tip and body | 6 bar |
| Minimum cable bend radius | 20 mm |
| Vibration resistance | 5 g peak, 10–500 Hz |
| Shock acceleration | 15 g peak, half-sine impulse, 11 ms |
| Measurement range options | 2 mm or 4 mm, depending on measurement-chain configuration |
| Sensor and cable drift | Less than 5% for 1 m, 5 m or 10 m total chain, over −30 to +150 °C |
| Ex application temperature | −40 to +200 °C, subject to the applicable certified chain configuration |
Installation & Replacement Notes
The sensor uses a threaded standard-mount installation. Confirm the mounting interface, installation depth and shaft clearance before replacement.
Check the installation clearances specified for the selected measurement range and sensor arrangement.
For an existing installation, verify the sensor, extension cable where applicable, and IQS9xx signal conditioner as one measurement chain.
Measurement Chain Matching
When replacing an installed TQ902-011, compare the complete ordering code and the existing measurement-chain components rather than relying on the model name alone.
Supply, Warranty & RFQ
Functional testing is arranged according to the quoted order scope. Returns require authorization; DOA cases should be reported promptly with order details and supporting evidence. Warranty covers eligible product defects subject to quotation terms, excluding misuse, improper installation and external damage.
TQ902-011 Frequently Asked Questions
It is a non-contact eddy-current proximity sensor for displacement and vibration measurement on rotating machinery.
It identifies a 5,000 mm integral cable with a ±500 mm tolerance.
No. The F0-G0 configuration does not specify optional protection or a flexible hose.
Yes. It operates as part of a compatible proximity measurement chain with an IQS9xx signal conditioner.
Check the complete ordering code, mounting dimensions, cable configuration and compatibility with the installed measurement-chain components.
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