HBM FS63 series Manuel utilisateur

Installation Guide

English

FS63

Embedded Temperature Sensor

Hottinger Baldwin Messtechnik GmbH

Im Tiefen See 45

D-64239 Darmstadt

Tel. +49 6151 803-0

Fax +49 6151 803-9100

[email protected]

www.hbm.com

HBM FiberSensing, S.A.

Optical Business

Rua Vasconcelos Costa, 277

4470-640 Maia

Portugal

Tel. +351 229 613 010

Fax +351 229 613 020

[email protected]

www.hbm.com/fs

Mat.: 7-2002.4261

DVS: A4261-3.2 HBM: public

05.2015

Sensor Design Version: v1.0

EHottinger Baldwin Messtechnik GmbH.

Subject to modifications.

All product descriptions are for general information only.

They are not to be understood as a guarantee of quality or

durability.

FS63 A4261-3.2 HBM: public 3

English

1 Technical Details 4.........................................

1.1 General Information 4........................................

1.1.1 Overview 4.................................................

1.1.2 Characteristics 4.............................................

1.1.3 Applications 5...............................................

1.1.4 Quality 6...................................................

1.1.5 Accessories 6...............................................

1.2 General Specifications 7......................................

2 Sensor Installation 8........................................

2.1 List of Materials 8............................................

2.2 Preparing the Structure 8.....................................

2.3 Placing the Sensor 12.........................................

2.4 Concreting 15................................................

3 Sensor Configuration 17.....................................

3.1 Sensor Calibration Sheet 17....................................

3.1.1 General Information 18........................................

3.1.2 Calibration Data 18...........................................

3.1.3 Temperature Computation 18..................................

Technical Details

4A4261-3.2 HBM: public FS63

1 Technical Details

1.1 General Information

This installation guide applies to the following products:

Part Number Description

K-FS63-50-11-302 FS63 – Embedded Temperature Sensor • Outdoor • FC/APC

K-FS63-50-13-302 FS63 – Embedded Temperature Sensor • Outdoor • SC/APC

K-FS63-50-10-302 FS63 – Embedded Temperature Sensor • Outdoor • NC

1.1.1 Overview

The FS63 - Embedded Temperature Sensors are Fiber

Bragg Grating (FBG) based sensors, designed to be

directly cast into concrete wet mix.

1.1.2 Characteristics

: Robustness

Long-term reliability ensured by innovative sensor

design, careful selection of materials and IP68 packag

ing.

: Completely passive

Inherent immunity to all electromagnetic effects (EMI,

RFI, sparks, etc.) and safe operation in hazardous envi

ronments.

Technical Details

FS63 A4261-3.2 HBM: public 5

: High multiplexing capability

Connection of a large number of sensors to a single opti

cal fiber, reducing network and installation complexity.

: Remote sensing

Large distance between sensors and interrogator (sev

eral kilometers).

: Compatible with most interrogators

Provided with calibration sheet, allowing easy and accu

rate configuration.

: Self-referenced

Based on the measurement of an absolute parameter -

the Bragg wavelength - independent of power fluctua

tions.

1.1.3 Applications

HBM FiberSensing temperature sensors can be used in

several temperature measuring applications. They are

particularly suited for temperature mapping in large struc

tures (SHM).

: Industry

: Civil Engineering

: Energy

: R&D

Technical Details

6A4261-3.2 HBM: public FS63

1.1.4 Quality

All HBM FiberSensing's processes are strictly controlled

from development to production. Each product is sub

jected to high standard performance and endurance

tests, individually calibrated and checked before ship

ping.

HBM FiberSensing, S.A. concentrates all optical sensing

activity of HBM and is an ISO 9001:2008 certified com

pany.

1.1.5 Accessories

The implementation of complex sensing networks in large

structures is made simpler with HBM FiberSensing

accessories. These include cables especially designed to

resist harsh environments as in civil engineering, not only

during construction, but also during the lifetime of the

structure (humidity, corrosion, etc.).

For the installation of weldable temperature sensors in

severe environments, an optional metallic protection

cover is available.

Technical Details

FS63 A4261-3.2 HBM: public 7

1.2 General Specifications

Sensor

Sensitivity1) 10 pm/ºC

Measurement range -20 to 80 ºC

Resolution2) 0.1 ºC

Maximum calib. error 0.5 ºC

Optical

Central wavelength 1500 to 1600 nm

Spectral width (FWHM) < 0.2 nm

Reflectivity > 65%

Side lobe suppression > 10 dB

Inputs / Outputs

Cable type Ø 3 mm outdoor (armor)

Cable length 2 m each side (±5 cm)

Connectors FC/APC

SC/APC

NC (No Connectors)

Environmental

Operation temperature -20 to 80 ºC

Protection class IP68

Mechanical

Materials Stainless steel

Dimensions 100 x Ø 10 mm

Weight 55 g

1) Typical values

2) For 1 pm resolution in wavelength measurement

Sensor Installation

8A4261-3.2 HBM: public FS63

2 Sensor Installation

2.1 List of Materials

Included Material

Embedded Temperature Sensor

List of Needed Material

Clumps Plastic wire clumps

Tube Flexible and resistant protection tube

Box Protection box to be embedded (optional)

Labels Colored tape/ shrinking tube/ …

Protection Silicone or foam

2.2 Preparing the Structure

The embedded temperature sensor is a sensor prepared

to be embedded in concrete. Its design includes

ruggedized cables that resist such an environment.

Nevertheless, whenever possible, further protection of

cables should be performed on the cables path.

Prepare the sensor cables path with an appropriate, flexi

ble and resistant tube.

Sensor Installation

FS63 A4261-3.2 HBM: public 9

Fig. 2.1

Fig. 2.2

Depending on the control on the construction site, HBM

FiberSensing suggests two different solutions regarding

the access to the sensor connections:

If the stripping of the concrete can be closely controlled,

the protection tube can pass directly through a hole in the

formwork (Fig. 2.3 and Fig. 2.4). Later, when the form

work is removed, a box can be placed over the exit of the

Sensor Installation

10 A4261-3.2 HBM: public FS63

cables so that connections can be conveniently pro

tected.

Fig. 2.3

Fig. 2.4

If the stripping cannot be controlled, it is advisable to use

embedded protection boxes. Fix the box to the formwork

with screws that can be later on removed before the

stripping.

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