newLight FS73MTP | Multipoint temperature measurements newLight FS73MTP | Multipoint temperature measurements | HBM

newLight FS73MTP Temperature Sensor

Detect and measure temperature gradients and hot spots easily with multipoint measurements.

With a stainless-steel probe, less than 1mm in diameter, FS73 is capable of measuring temperatures at several points along its length in demanding environments, such as explosive environments, magnetic or radio frequency fields and limited space vessels.

Usable especially for industrial applications; customization of the sensor is also possible – for measurements tailored to your needs.


High precision calibration and fast response to temperature changes.

Stable measurements up to 300°C


Measurements are carried out without having to power the sensors making them inert and passive elements suitable for demanding applications.

Suitable for explosive environments

Multipoint measurements

Easy thermal gradient detection with several measuring points along the probe, as close as every 5 cm or 10 cm.

Standard layout of 10 or 20 measuring points

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Probe Type

Type 1

Type 2

Type 3

Type 4

Type 5

Type 6

Length (m)




FBG Spacing (mm)


Wavelength (nm)

1505 to 15951505 to 15951502.5 to 1597.51505 to 15951505 to 15951502.5 to 1597.5

Wavelength spacing (nm)



Standard [-30ºC to 150ºC]Extended [50ºC to 300ºC]


2m of Ø3mm aramid cable
ConnectorsFC/APC or SC/APC


If you’re interested in the customization of the sensor for high quantities, please contact us.

Free White Paper Download

An Introduction to Optical Measurement Chains based on Fiber Bragg Gratings (FBG)

  • How to choose the right components for your optical monitoring solution
  • For which applications can FBG technology be used?
  • How can a typical optical Fiber Bragg Grating (FBG) based measurement chain be designed easily?

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Technical Documentation

Title / DescriptionLanguage
Data Sheets
FS73MTP newLight - Caractéristiques techniques French
FS73MTP newLight - Data Sheet English
FS73MTP newLight - Datenblatt German
FS73MTP newLight - データシート Japanese
FBG Sensors - Flyer English
FBG Sensors - Flyer German
FBG Sensors - Flyer Chinese
FBG Sensors - Flyer Korean
FBG Sensors - Flyer Italian
FBG Sensors - Flyer Portuguese
HBM FiberSensing: Lösungen für optische Messungen - Broschüre German
HBM FiberSensing: Optical Measurement Solutions - Brochure English
HBM FiberSensing: Optical Measurement Solutions - パンフレット Japanese
Mounting Instructions
FS63DTP/FS73DTP - 設置手順書 Japanese
FS63DTP/FS73DTP - Montageanleitung German
FS63DTP/FS73DTP - Mounting Instructions English
FS63DTP/FS73DTP - Notice de montage French
FS73MTP newLight - Montageanleitung German
FS73MTP newLight - Mounting Instructions English
FS73MTP newLight - Notice de montage French
FS73MTP newLight - 設置マニュアル Japanese
FS Accessoires de liaison - Caractéristiques techniques French
FS Linking Accessories - Data Sheet English
FS Tools - Data sheet English
FS Verbindungszubehör - Datenblatt German
FS-Splitter newLight - Caractéristiques techniques French
FS-Splitter newLight - Data Sheet English
FS-Splitter newLight - Datenblatt German
FS-Splitter newLight - データシート Japanese
Tech Notes
Temperature compensation in catman Multilanguage
Temperature compensation with FBG sensors Multilanguage