What is the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05, and what product category does it belong to?

It is a non-contact eddy current proximity transducer (probe), categorized as critical monitoring hardware for shaft displacement, vibration, and speed of heavy-duty industrial rotating machinery like steam turbines and fans.

How do you properly install and use products like the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05?

It must be fixed to the machine casing or a probe bracket via its threaded body, maintaining a predefined gap between the probe tip and the rotating shaft surface, and connected to a Proximitor (signal conditioner) via its integrated cable.

What is the tip diameter of the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 probe?

The TQ402 belongs to the standard 8 mm specifications for eddy current probes, meaning its sensor tip diameter is 8 mm.

Can the output signal of the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 be directly connected to a standard display gauge?

No. Driven by a high-frequency electromagnetic field, the probe outputs a high-frequency impedance change signal. It must be connected via its integrated cable to a matching IQS450 Proximitor to convert it into a standard linear voltage or current signal.

What material is the probe tip of the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 made of to resist industrial high pressure?

The probe tip is molded from high-performance Polyetheretherketone (PEEK), which provides outstanding mechanical strength, chemical corrosion resistance, and high-pressure fluid tolerance.

TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05

Name: TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05
Brand: Vibro-Meter
SKU: TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05

Meggitt Vibro-Meter TQ402 Proximity Transducer

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Meggitt Vibro-Meter TQ402 Proximity Transducer
Shaft relative vibration and gap/position measurement chains
for machinery protection and/or condition monitoring
Conforms to API 670 recommendations

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Technical specifications for TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05

Manufacturer:

Vibro-Meter
Product Category:

General Automation
Spare Part Number:

TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05
Estimated shipping dimensions:

10.5x5.3x5.2cm
Weight:

0.25 kg
Tariff Code:

8537101190
Counliy of origin:

Switzerland
Environment:

Standard / Non-explosive version
Thread Type:

Metric thread
Total Threaded Length:

10 mm length
Flexible Protection Hose:

Without flexible stainless steel hose
Frequency response:

DC to 20 kHz (−3 dB)
Measurement range:

2 or 4 mm
Temperature range:

−40 to +180 °C
Current consumption:

25 mA max.
Overvoltage protection (diode):

−33 VDC typical
Humidity:

0 to 95 %, non-condensing
Protection rating:

IP68

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Information

Overview Manuals Common Applications Product Precautions

The TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 is an industrial-grade, high-precision, non-contact eddy current proximity transducer. This product serves as core hardware within shaft relative vibration, axial displacement/gap, and speed/keyphasor measurement chains, widely utilized in asset protection and condition monitoring systems for large rotating machinery such as steam turbines, gas turbines, industrial compressors, large fans, and water pumps.

Non-contact measurement system based on eddy-current principle
Ex certified versions for use in hazardous areas (potentially explosive atmospheres)
Voltage or current output with protection against short circuits

The TQ402 and IQS900 form a calibrated, interchangeable non-contact proximity measurement system, outputting a voltage/current proportional to the distance from a metallic target (e.g., a machine shaft). The transducer features a Torlon (polyamide-imide) tip with an internal coil and a stainless steel body. This specific model features a metric M10x1 thread (Option A1), a 10 mm body (Option E010), and full-body threading (Option D000). It includes a 5.0-meter integral coaxial cable (Option H05) with a self-locking connector.

The IQS900 signal conditioner provides the necessary high-frequency driving signal to the transducer to generate the electromagnetic measurement field.

This specific configuration model 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 incorporates high-standard physical wear-resistant materials and integrates a long coaxial cable. In conjunction with a back-end IQS900 or IQS450 signal conditioner (proximitor), it constitutes a non-contact proximity measurement system that is precisely calibrated at the factory with fully interchangeable components. The system outputs a linear voltage or current signal strictly proportional to the physical distance between the transducer tip and the metallic target, such as a rotating machine shaft surface, for the automation protection of critical assets including large industrial centrifugal compressors, steam turbines, and gas turbines.

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

Vibro Meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 Meggitt Vibro-Meter TQ402 Proximity Transducer Manuals, Datasheets, Drivers, Link

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

Power Generation

Measuring non-contact shaft relative radial vibration and axial thrust position to prevent critical rotor rub.

Petrochemical & Refining

Tracking oil-film thickness inside journal bearings and shaft dynamic vibration trends during high-pressure gas processing.

Oil & Gas

Monitoring long-distance oil transport pump shafts for axial drift and eccentricity to prevent seal failures.

Chemical Manufacturin

Inspecting rotor shaft runout and bearing clearances under severe chemical and continuous friction.

Iron & Steel Metallurgy

Measuring high-velocity blower shaft relative vibration to detect unbalance caused by aggressive particulate buildup.

Pulp & Paper

Monitoring high-speed roller shaft thermal expansion and dynamic vibration under continuous high-temperature steam conditions.

Pair the 0.5-meter integral cable probe strictly with a 4.5-meter extension cable and conditioner to form a standard 5-meter system; never mix with 9-meter systems. Secure the self-locking coaxial connector and wrap it with an insulating sleeve to eliminate ground interference.

Monitor the voltage output during installation with the 10 mm fully threaded case to adjust the gap, preventing physical contact with the shaft. Use protective conduits for routing since the cable is non-armored (F0), maintaining a bend radius above 25 mm.

Alternative Names

TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 111-402-000-012 TQ402 TQ402 A1-B1-D000-E010-F0-G000-H05 TQ402 III-4O2-OOO-OI2 AI-BI-DOOO-EOIO-FO-GOOO-HO5 TQ4O2 111-4O2-OOO-O12 A1-B1-DOOO-EO1O-FO-GOOO-HO5 TQ402 III-402-000-0I2 AI-BI-D000-E0I0-F0-G000-H05

Technical notes

The Meggitt vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 features a 2.0 mm linear measuring range and a frequency response from DC to 20 kHz. It utilizes a stainless-steel case with a Torlon tip rated for temperatures from −40°C to +180°C. This model includes a 0.5-meter integral cable, which must pair with a 4.5-meter EA402 extension cable and an IQS900 signal conditioner to form a standard 5-meter system. It is widely utilized for shaft vibration, displacement, and speed monitoring on rotating machinery.

FAQ View All FAQ

What is the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05, and what product category does it belong to?

It is a non-contact eddy current proximity transducer (probe), categorized as critical monitoring hardware for shaft displacement, vibration, and speed of heavy-duty industrial rotating machinery like steam turbines and fans.
How do you properly install and use products like the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05?

It must be fixed to the machine casing or a probe bracket via its threaded body, maintaining a predefined gap between the probe tip and the rotating shaft surface, and connected to a Proximitor (signal conditioner) via its integrated cable.
What is the tip diameter of the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 probe?

The TQ402 belongs to the standard 8 mm specifications for eddy current probes, meaning its sensor tip diameter is 8 mm.

Can the output signal of the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 be directly connected to a standard display gauge?

No. Driven by a high-frequency electromagnetic field, the probe outputs a high-frequency impedance change signal. It must be connected via its integrated cable to a matching IQS450 Proximitor to convert it into a standard linear voltage or current signal.
What material is the probe tip of the TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 made of to resist industrial high pressure?

The probe tip is molded from high-performance Polyetheretherketone (PEEK), which provides outstanding mechanical strength, chemical corrosion resistance, and high-pressure fluid tolerance.

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