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LSENST Fiber Optic Temperature Sensor Product
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Key Features

  • PTFE protected
  • Complete immunity to RFI, EMI, NMR and microwave    radiation
  • Outstanding repeatability with High flexibility
  • Does not require recalibration or complex input to operate
  • Liquid proof and withstands aggressive chemical solutions

Product Description

LSENST Fiber Optic Temperature Sensor Summay


The flexible and highly dielectric sensors for temperature testing monitoring in Emobility, RF/Microwave, Energy, and Industrial applications. The sensor tip is protected by PTFE (Teflon) tube and suitable for installing at places that require very low bend radius.

The LSENST sensors are very accurate over a wide temperature range and under high Electric, Magnetic, Microwave and Radio Frequency (RF) environments. The sensors do not need calibration and compensation over time.

LSENST Benefits
    • Sensors do not require any recalibration
    • Suitable for OEM-type applications.
    • Customizable according to customer specific applications
    • Robust fiber optic temperature sensor
    • Optional spiral wrap
    • No shift over time, high stability
LSENST Fiber Optic Temperature Sensor Applications
    • Magnetic, RF and Microwave environments
    • RF and microwave drying applications
    • Sterilization applications
    • Aggressive Chemical environments
    • Medical applications 
    • Nuclear and hazardous environments
    • High voltage environments

Detailed Overview

A multiuse fiber optic temperature sensor designed for a wide range of applications, especially for the use in R&D and industrial applications. The sensor offers complete immunity to RFI, EMI, NMR, Corrosive and microwave radiation making it the best choice for all demanding applications. The standard temperature sensor has a response time of 0.2 s. With a standard deviation of +/-0.2 °C it allows precise and repeatable measurements. The coating of the temperature sensor is made of PTFE, while the fiber tip has a diameter of 1.1mm and has a stainless steel ST-connector. For mechanical stability and applications e.g. in oil special protective coatings and hoses are available. The fiber optic probe consists of a PTFE protected glass fiber and a GaAs-crystal (Gallium Arsenide) at the sensor tip. It is totally free of metal and immune to external fields, therefore probes are explicitly suitable for use in high temperature ranges as well as in aggressive operating environments. The sensor cable can be from several meters to kilometers long without influencing the accuracy of the measurement result. Other sensor lengths and connector types are available upon request.

Technical Specifications

Temperature range-200 °C to +250 °C
Temperature range (Optional Range extensions) RepeatabilityDown to 4 °K / Up to +300 °C
Repeatability0.2 °C
Accuracy absolute temperature+/- 0.8 °C
Accuracy relative temperature+/- 0.2 °C
Probe sheathing materialTeflon Coated
ConnectorStainless Alloy / Optional - Dielectric
Response timeUp to 0.2 Sec
Probe sensitive area - Diameter1.4 mm

Ordering Code

LSENST Fiber Optic Temperature Sensor Ordering Code

Product Drawing

LSENST Fiber Optic Temperature Sensor Product Drawing