Product Specifications

Part Number	TQ402 111-402-000-012
Current at min. / max. gap	−15.5 mA / −20.5 mA
Current measurement range	5 mA
Current output range (without diagnostics)	−15.5 to −20.5 mA
Voltage measurement range	16 V
Voltage output range (without diagnostics)	−1.6 to −17.6 V
Nominal output voltage range	−0.8 to −8.8 V
Input impedance	500 kΩ
Maximum current consumption	25 mA
Overvoltage protection (diode)	−33 VDC typical
Operating & storage temperature	−40 to 85°C (−40 to 185°F)

The system is based around a TQ402 or TQ412 non-contact sensor and an IQS900 signal conditioner. Together, these form a calibrated proximity measurement system in which each component is interchangeable. The system outputs a voltage or a current proportional to the distance between the transducer tip and the target, such as a machine shaft.
The active part of the transducer is a coil of wire that is moulded inside the tip of the device, made of Torlon® (polyamide-imide). The transducer body is made of stainless steel. The target material must, in all cases, be metallic.
The transducer body is available with metric or imperial thread. The TQ412 version is intended for reverse-mount applications. Both the TQ402 and TQ412 have an integral coaxial cable, terminated with a self-locking miniature coaxial connector. Various cable lengths (integral and extension) can be ordered.

Frequently asked questions：

Q1: What is the Vibro-meter TQ402 111-402-000-012 Proximity Sensor used for?
A1: The TQ402 Proximity Sensor is used for non-contact measurement of shaft displacement, shaft position, vibration, eccentricity, and runout in rotating machinery monitoring and protection systems.

Q2: What is the current output at the TQ402 minimum and maximum gap?
A2: The TQ402 ensor provides a current output of −15.5 mA at the minimum gap and −20.5 mA at the maximum gap.

Q3: What is the current measurement range of the TQ402 sensor?
A3: The TQ402 has a current measurement range of 5 mA, corresponding to the sensor's displacement measurement span.

Q4: What is the TQ402 current output range without diagnostics?
A4: Without diagnostics enabled, the output current range is −15.5 mA to −20.5 mA.

Product Applications

Power plants
Oil and gas, petrochemical plants
Heavy chemical plants and pharmaceutical plants
Iron and steel metallurgical plants and mining sites

Grab an Extra Discount - Contact Sales Manager Lisa Lin Today :
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We provide a 12-month warranty and worldwide stock availability to guarantee smooth integration and prompt delivery for your daily operations.

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Our Brands Series

① ABB: AC800M, AC800F, AC31, 800xA, Bailey INFI 90, DSQC robot, Advant OCS, H&B Freelance
② Bently Nevada: 3500 Monitoring, 3300 Monitoring, 3300 XL 8mm Proximity Transducer, 330180 Proximity
③ Honeywell: Alcont, Experion LS, Experion PKS, Experion HS, Plant Scape, TDC2000, TDC3000, TPS
④ GE: IS200/DS200 series Excitation system card, IC693/IC695/IC697/IC698/IC200/IC660/IC670 CPU module
⑤ Triconex: 3805E , 3504E , 3706A , 4210 , 4351B , 8110 , 3501E , 3664
⑥ Siemens: MICROMASTER, Simadyn, Simatic S5, Simatic S7, SIMODRIVE, SIMOVERT, SINAMICS, Texas Instruments
⑦ Emerson: DeltaV, Ovation, EPRO
⑧ Schneider: Quantum 140 series, Modicon Premium
⑨ HIMA: F8650X, F7105A , F6217 , F3237 , F3330 , F8628X ,F6205
⑩ Invensys Foxboro: FCP270, FCP280, CP30B, FBMSSW, FBMSVH, P0903CV, FCM10E

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