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MuST FBG Temperature Sensor

FBG TEMPERATURE SENSOR ROBUST AND EASY TO INSTALL

For surface mounting or embedding in concrete and mortars. Ideal for long-term temperature monitoring. Up to 12 sensors per chain.

Description

MuST FBG temperature sensors are suitable for a large range of applications. These sensors are fiber optic versions of the conventional electrical and vibrating wire temperature sensors but completely passive, offering inherent insensitivity to environmental induced drift.

These temperature sensors feature high accuracy and resolution, and total fiber optic design ensuring intrinsic immunity to electric sparks and EMI/RFI. Compatible with SMARTEC MuST FBG measurement units, the embedded temperature sensors combine compact size, high resistance to corrosion and harsh environments, and long-term reliability. They are also suitable for remote sensing being possible to install them several kilometers away from the measurement unit and connect a large number of sensors in a single optical fiber. These sensors are also suitable for difficult-to-reach locations and large scale sensing networks.

Specifications
   

Central Wavelengths

1510 to 1590 nm. Max. 12 sensors on same chain.

Measurement range

-20 to +80 °C (1)

Accuracy

±0.5 °C

Resolution

±0.1 °C

Sensitivity

10 pm/°C

Reflectivity

> 75%

Insertion loss

< 0.1 dB

Spectral width (FWHM)

< 0.2 nm

Relative humidity

< 90% at 80º C

Packaging

Stainless steel

IP protection

IP68 (only embedded sensor)

Dimensions (2)

General: 140 x 8 mm
Weldable: 45 x 15 x 0.3 mm
Embedded: 60 x 10 mm

Cable types

Ø 3 mm Indoor
Ø 3 mm Outdoor/Embedded armor cable (IP68)

Weight

General: 100 g
Weldable: 5 g
Embedded: 150 g

Standard Wavelengths

Type        WL          Type      WL           Type       WL
   A     1528.9 nm      F      1560.8 nm      K      1516.1 nm
   B     1535.1 nm      G     1567.2 nm       L      1522.5 nm
   C     1541.5 nm      H     1573.8 nm
   D     1547.9 nm      I      1580.2 nm
   E     1554.3 nm      J       1586.6 nm

(1) Measurement range may be customized upon request.

Ordering Info
  • Wavelength
  • General purpose, embedded or weldable packaging
  • Connector type
  • Single/double-ended
  • Cable type
  • Stainless steel protection cover option
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