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  1. CEMB
  2. Vibration Equipment Division
  3. Condition monitoring
  4. T-NC-8 API Proximity sensor

T-NC-8 API Proximity sensor

Proximity sensor no contact

The T-NC/8-API transducer measures the distance of a ferrous material from the sensor head.

The non-contact type measurement can be both dynamic for vibration measurement and static for displacements

The Proximity sensor is composed of an ST-NC/8 proximity sensor, a CPT-NC/8 extension cable and a T-NC-8/API converter.
The generated signal allows measurements of vibration, displacement, eccentricity and speed in the specific application.

The measuring chain is composed by a proximity sensor, an extension cable and a converter. The converter is inserted in a box and contains the electronics to power the sensor and signal linearization. The operating principle is based on the generation of a high-frequency electromagnetic field irradiated by the sensor which induces an eddy current in the target. The intensity of this eddy current depends directly on the distance between the sensor and the target and is converted into an electric signal processed by the converter. The sensor is composed of a stainless steel body and a Teflon coaxial cable

It is manufactured according to API standards and it is available also with different certifications: intrinsecally safe Atex, TP TC, IEC EX.

Standard

Composition ST-NC/8 sensor in AISI 304 stainless steel
CPT-NC/8 extension cable
T-NC/8-API converter
Power supplies -24 VDC nominal (-20 to -30 VDC range)
Connections 3-way screw terminal strip
Miniature coaxial connector for sensor
Ambient operating range Sensor: -35°C to +175°C
Extension cable: -35°C to +175°C
Converter: -35°C to +75°C
Measurement type Differential
Measurement range ± 1 mm (0.5 - 2.5 mm)
Dynamic range Frequency: 0 to 10,000 Hz
Output signal Analogue
Linearity ± 1% over the entire measurement range and within the operating
Nominal sensitivity 200 mV/mil (7.87 mV/μm)
Output impedance 500 Ohm
Sensitivity to temperature According to ANSI/API 670
SENSOR
Thread type
Body length
Total sensor length (body + cable)
Unthreaded part length
Cable armature

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    CEMB

    CEMB S.p.A. Via Risorgimento n.9 - 23826 Mandello del Lario (Lc) Italy - T +39 0341 706111
    Cap Soc. 1.500.000 i.v. - Reg. Imprese Lecco 00221870132 - C.C.I.A.A. Lecco R.E.A. 75997 - Società Unipersonale - Partita IVA IT 00221870132