Vibro-Meter TQ412 S3960 111-412-000-013 Non Contact Proximity Transducer

Parameter
Model: TQ412 S3960 111-412-000-013 Non Contact Proximity Transducer
Frequency response: DC to 20 kHz (−3 dB)
Measurement range: 2 or 4 mm
Temperature range: −40 to +180 °C
Dynamic Range: 16 V
Current Output Range:  −15.5 mA (at min) to −20.5 mA (at max)
Electrical Protection: 500 Ω

Description

The Vibro-Meter TQ412 S3960 111-412-000-013 is a non-contact proximity transducer designed for precise measurement of the relative displacement, vibration, and axial position of rotating machine shafts. Based on the eddy-current measurement principle, it is used with the EA402 extension cable and IQS900 signal conditioner to form a calibrated proximity measurement system. The transducer features a stainless-steel body, a Torlon® sensing tip, and an integral coaxial cable, providing reliable operation with a frequency response from DC to 20 kHz. It is suitable for continuous machinery monitoring applications, including steam turbines, gas turbines, hydraulic turbines, compressors, pumps, and generators.

Frequently asked questions

Q:What is the Vibro-Meter TQ412 S3960 111-412-000-013?
A:The TQ412 S3960 111-412-000-013 is a reverse-mount, non-contact eddy-current proximity transducer designed to measure shaft vibration, axial position, and displacement in rotating machinery.

Q:What does the TQ412 measure?
A:It measures shaft relative vibration, axial position, and gap/displacement without making physical contact with the rotating shaft.

Q:Is the TQ412 compliant with API 670?

A:Yes. The TQ412/EA402/IQS900 proximity measurement system conforms to the recommendations of API 670 for machinery protection applications.

Application areas

The Vibro-Meter TQ412 S3960 111-412-000-013 is primarily used in industrial condition monitoring chains for axial position (thrust displacement), shaft relative vibration, and static gap measurements.

• Petroleum & Natural Gas: Widely used in crude oil export pumping stations, natural gas pipeline compressor stations, refineries, and offshore drilling platforms.
• Power Generation & Heavy Industries: Deployed in large-scale thermal power plants, gas turbine power stations, combined-cycle power plants, and utility sections of major steel mills.
• Turbomachinery Manufacturing (OEM): Frequently acts as a core integrated component installed pre-factory by manufacturers (OEMs) of turbines, compressors, and high-power pumps.

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