HBM FS42 User Manual
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HBM FS42 User Manual

Portable braggmeter
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User Manual
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FS42
Portable BraggMETER

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  • Page 1 User Manual English FS42 Portable BraggMETER...
  • Page 2 Portugal Tel. +351 229 613 010 Fax +351 229 613 020 fibersensing@hbm.com www.hbm.com/fs Mat.: 7-2002.4250 DVS: A4250-5.0 HBM: public 07.2017 Interrogator version: v3.2 SW version: v5.5 E Hottinger Baldwin Messtechnik GmbH. Subject to modifications. All product descriptions are for general information only.

  • Page 3: Table Of Contents

    ........FS42 A4250-5.0 HBM: public...
  • Page 4 5.2.1 HBM FS Wavelengths ........

  • Page 5: General Details

    General Details General Details General Information The HBM FiberSensing Portable BraggMETER is a con­ tinuous swept laser scanning interrogator designed to interrogate Fiber Bragg Grating (FBG) sensors. The interrogator includes a NIST traceable wavelength reference that provides continuous calibration to ensure system accuracy over long term operation.

  • Page 6: Technical Data

    Optical output power -3 dBm Line width < 500 MHz Connectors Optical FC/APC or SC/APC Electrical 2.5 x 5.5 DC Socket panel mount supplied with 100-230 V power adapter and Type F plug cable Communication RJ45 Ethernet; USB FS42 A4250-5.0 HBM: public...
  • Page 7 Power Voltage 18-20 VDC Nominal consumption Charging, not running 45 W Charging, running 90 W Not charging, running 45 W Battery pack Number of batteries Battery model pcga-bp2nx Battery capacity 4400 mAh Battery voltage 14.8 V FS42 A4250-5.0 HBM: public...
  • Page 8 Bragg grating Typical values Different plug format can be added upon request Full spectrum trace with 20001 points acquired over the 100 nm range (sampled every 5 pm) Sinusoidal vibration Peak consumption may reach 90 W FS42 A4250-5.0 HBM: public...

  • Page 9: Hard Disk Image Recovery

    To apply the recovery process, follow the instructions as explained: 1. Turn off the device 2. Connect the keyboard and mouse to the device 3. Turn on the device 4. When the splash screen (Fig. 2.1) appears press F10 Fig. 2.1 FS42 A4250-5.0 HBM: public...
  • Page 10 Hard Disk Image Recovery 5. Press Next button (Fig. 2.2) Fig. 2.2 6. Select Non Destructive System Recovery (Fig. 2.3) Fig. 2.3 FS42 A4250-5.0 HBM: public...
  • Page 11 Hard Disk Image Recovery 7. Press Next (Fig. 2.4) Fig. 2.4 8. Press Yes (Fig. 2.5) Fig. 2.5 FS42 A4250-5.0 HBM: public...
  • Page 12 Hard Disk Image Recovery 9. Press Yes (Fig. 2.6) Fig. 2.6 10.Allow approximately 10 minutes for the recovery process to complete. Reboot the PC into Windows Embedded™. FS42 A4250-5.0 HBM: public...

  • Page 13: Regulatory And Certification Considerations

    For more detailed information about disposal of your old appliance, please contact your city office, waste disposal service or distributor that purchased the product. HBM FiberSensing, S.A. is a manufacturer registered in the ANREEE - "Associação Nacional para o Registo de Equipamentos Eléctricos e Electrónicos" under number PT001434.

  • Page 14: Laser Safety

    Regulatory and Certification Considerations Laser Safety The FS42 - Portable BraggMETER interrogator contains a laser in its core. A laser is a light source that can be dangerous to people exposed to it. Even low power lasers can be hazardous to a person's eyesight. The...

  • Page 15: General Precautions Considerations

    The optical connectors are subjected to maintenance and/or inspection. Do not attempt to open or repair a malfunction interroga­ tor. It must be returned to HBM FiberSensing for repair and calibration. FS42 A4250-5.0 HBM: public...

  • Page 16: Certification

    S Low Voltage Directive (LVD) 2014/35/EU - Electrical Safety S Electromagnetic Compatibility (EMC) Directive 2014/30/EU It is in compliance with the EN61326/EN55011 Emission Radiated Test Class A, under the Electromagnetic Com­ patibility Standard. The corresponding Declaration of Conformity is available upon request. FS42 A4250-5.0 HBM: public...

  • Page 17: Operation

    Operation Operation Connectors Left view Right view Fig. 4.1 The connectors and buttons in Fig. 4.1 are: VGA Connector LAN Connector USB Connector (2x) Power Connector ON/OFF button Optical Channel Connectors (FC/APC or SC/APC) FS42 A4250-5.0 HBM: public...

  • Page 18: Status Indicators

    Battery LED Steady green Charge level > 60% Steady orange 60% > Charge level > 35% Steady red 35% > Charge level > 20% Blinking red Charge level < 20% FS42 A4250-5.0 HBM: public...

  • Page 19: Protection And Carrying Bag (Optional)

    S Place back the handle fixation protection cover Power Supply The interrogator must be used with a dedicated power supply source and not shared with other equipment, when powering with a direct source and not with the power adapter. FS42 A4250-5.0 HBM: public...

  • Page 20: Battery Pack

    Connect the Portable BraggMETER directly to 100~240 V power line using the provided 20 V AC adapter. Once the interroga­ tor starts charging, the left sided fan (see Fig. 4.1) will start working. FS42 A4250-5.0 HBM: public...

  • Page 21: Removing The Battery Pack

    To change the batteries proceed as follows: 1. Shut down the interrogator and wait until the power LED is off. 2. Unplug the power supply cable if connected to the interrogator. 3. Unscrew Csk M4x8 screws, number in Fig. 4.3. FS42 A4250-5.0 HBM: public...
  • Page 22 4. Pull the battery cover rotating on the bottom edge and then remove it. To lift-up the pack, use a screwdriver as shown in Fig. 4.4. Do not insert the screw driver more than few millimeters. Fig. 4.4 Fig. 4.5 FS42 A4250-5.0 HBM: public...
  • Page 23 5. Pull the edge of the battery vertically, number in Fig. 4.6. 6. Remove the battery by sliding it horizontally, number in Fig. 4.6. 7. Repeat the process for the second battery, see Fig. 4.7. Fig. 4.6 FS42 A4250-5.0 HBM: public...
  • Page 24 Operation Fig. 4.7 FS42 A4250-5.0 HBM: public...

  • Page 25: Connecting The Battery Pack

    (blue rectangle in Fig. 4.8). 3. Lower the edge of the Battery down, number Fig. 4.8. 4. Repeat the process for the second battery and screw the cover. FS42 A4250-5.0 HBM: public...

  • Page 26: Switching On

    “shut down on exit", the interrogator will shut down directly. If not, the software is active and steps described in 2 should be performed. Refer to section 6 “iLog Software”, on page 45, for further details. FS42 A4250-5.0 HBM: public...
  • Page 27 Fig. 4.10 2. While at Windows™ environment: - Select the start button and press shutdown. - Press and release the ON/OFF button for ~250 milliseconds. A pop-up will appear to confirm the action. FS42 A4250-5.0 HBM: public...

  • Page 28: Touch Screen Calibration

    3. The screen will become white and a cross will appear on the top left corner. Use the screen pen to click on the center of this and on the following crosses (Fig. 4.12). 4. Press the Confirm button (Fig. 4.13). FS42 A4250-5.0 HBM: public...
  • Page 29 Operation Fig. 4.11 FS42 A4250-5.0 HBM: public...
  • Page 30 Operation Fig. 4.12 FS42 A4250-5.0 HBM: public...
  • Page 31 Operation Fig. 4.13 FS42 A4250-5.0 HBM: public...

  • Page 32: Measuring Examples

    Typically, a fiber Bragg grating sensing network is divided into branches of sensors connected in series. In Fig. 5.1 there is a scheme of a usual FBG sensing branch. FS62 Strain FS63 Temperature FS64 Tilt Fig. 5.1 FS42 A4250-5.0 HBM: public...
  • Page 33 Measuring Examples A branch can accommodate sensors with wavelengths corresponding to all standard HBM FS wavelengths. The number of sensors in a channel can vary if there is previ­ ous knowledge about the spectral range the sensors will cover. The major concern is the overlap of adjacent sen­...

  • Page 34: Hbm Fs Wavelengths

    Measuring Examples 5.2.1 HBM FS Wavelengths The HBM FiberSensing standard wavelengths are: FS Line OP Line Central wavelength (nm) Central wavelength (nm) N - 1503.3 1520 O - 1509.7 1525 K - 1516.1 1530 L - 1522.5 1535 A - 1528.9 1540 B - 1535.1...

  • Page 35: Definitions And Operation Methods

    The following definitions are applicable to this equipment only. 5.3.1 Wavelength The wavelength value corresponds to the wavelength at the peak of the fiber Bragg grating reflection spectrum, commonly referred as Bragg wavelength (Fig. 5.2). Fig. 5.2 FS42 A4250-5.0 HBM: public...

  • Page 36: Power

    Measuring Examples 5.3.2 Power The Power value corresponds to the optical power reflected by the fiber Bragg grating at the peak wave­ length (Fig. 5.3). It is a relative value from 0 to 4095. Fig. 5.3 FS42 A4250-5.0 HBM: public...

  • Page 37: Threshold

    In its linear representation, it is measured bottom-up from the 0 (zero) power value. Fig. 5.4 In its logarithm representation, it is a value in dB from the maximum peak power of the channel. FS42 A4250-5.0 HBM: public...
  • Page 38 Measuring Examples Fig. 5.5 Threshold is a value between: -minimum: 23dB (corresponding to 0.005 in linear scale) -maximum: 0.1 dB (corresponding to 0.95 in linear scale) FS42 A4250-5.0 HBM: public...

  • Page 39: Common Measuring Difficulties

    Fig. 5.6 The most common effect of dirt on the connections is a large amount of broad band light being reflected at the connection, in both directions, meaning that the dynamic range for measurements becomes smaller. FS42 A4250-5.0 HBM: public...
  • Page 40 (there are several cleaning swabs in the market frequently used for telecom) embedded in iso­ propyl alcohol. Insert it in the optical adapter, as in Fig. 5.8, and rotate the swab always in the same direc­ tion. FS42 A4250-5.0 HBM: public...

  • Page 41: Broken Connector

    In this case, when an optical connector is inserted it does not get proper alignment and measure­ ments are compromised. A broken ferrule will look as shown in Fig. 5.9. Fig. 5.9 To solve this problem you should contact HBM FiberSensing. FS42 A4250-5.0 HBM: public...

  • Page 42: Reflective Fiber Ending

    This will destroy the perfect geometry (Fig. 5.10 on the right) and the light that is reflected will take random directions end­ ing up outside of the core. FS42 A4250-5.0 HBM: public...

  • Page 43: Cut Fiber

    This will cause a Fabry-Pérot effect – the light will suffer multiple reflections inside the cavity creating sinusoidal background reflection. Fig. 5.11 shows a schematic representation of the reflected spec­ trum for these three presented cases. FS42 A4250-5.0 HBM: public...
  • Page 44 Measuring Examples Fig. 5.11 FS42 A4250-5.0 HBM: public...

  • Page 45: Ilog Software

    Software iLog Software General Details 6.1.1 Software Version This document refers to HBM FiberSensing interrogator software version v5.4. 6.1.2 Software Update The interrogator software can be updated. Whenever the software is updated, changes will also be performed in the internal Database.

  • Page 46: Graphical User Interface

    Charging, Battery OK or Battery Low. For interrogators plugged in, this icon will be on with a figure of a plug. Battery Charge – Displays percentage of remaining battery charge. FS42 A4250-5.0 HBM: public...

  • Page 47: Graphical View

    Exit – Shuts down the interrogator or exits the appli­ cation (see number in Fig. 6.10, on page 56). Current date and time. 6.2.2 Graphical View Within the Graphical View tab, real time measurements can be monitored. FS42 A4250-5.0 HBM: public...
  • Page 48 A popup window will appear where the new maxi­ mum or minimum value can be written (Fig. 6.3). The Zoom Fit button (number in Fig. 6.2) can be used to change the vertical scales limits in order to visualize the full data range. FS42 A4250-5.0 HBM: public...
  • Page 49 Once it is pressed again, the graphi­ cal zero function is turned off and actual values are displayed. Important The saved values on the recorded data will be the origi­ nal ones despite the graphical representation. FS42 A4250-5.0 HBM: public...
  • Page 50 Other relevant information relative to active sensors and interrogator configuration is also saved. Important Saving data is impossible when the available database space is lower than 5%. FS42 A4250-5.0 HBM: public...
  • Page 51 Info and Help button Pressing the Information button (number in Fig. 6.2) an information box on the software version will appear. On the Help button (number in Fig. 6.2), the .pdf of this document can be found. FS42 A4250-5.0 HBM: public...

  • Page 52: Data View

    To display data, select the View Data button (number Fig. 6.6). While data is being loaded into the Data Graph (number in Fig. 6.6) the View Data button is replaced by a Stop button that can be used to stop data loading. FS42 A4250-5.0 HBM: public...

  • Page 53: Configuration

    Sensors in iLog Software are organized in a tree. Its ele­ ments are Configurations, Branches and Sensors. The configuration is the parent tree node and has one branch FS42 A4250-5.0 HBM: public...
  • Page 54 Configuration or Branch, clicking on the area will prompt a Windows Explorer window in order to choose any picture or drawing to associate to that spe­ cific Configuration or Branch. If the selected element is a FS42 A4250-5.0 HBM: public...
  • Page 55 This means that there is the need to define a new branch selecting New Branch button (number in Fig. 6.10) and then creating a new sensor using the New Sensor button FS42 A4250-5.0 HBM: public...
  • Page 56 Zero configuration – Introduces an offset on all the sensors in the configuration. Set configuration Active – Sets active every element of the selected configuration. Save configuration – Saves the configuration selected on the tree menu to a .srs file. FS42 A4250-5.0 HBM: public...
  • Page 57 Shutdown on Exit (number in Fig. 6.11) – When the user selects the exit button, the interrogator checks this setting on the active configuration to determine whether to shutdown the interrogator or just the iLog application. FS42 A4250-5.0 HBM: public...
  • Page 58 The branch characteristic that can be edited for every sensor of a branch at once is the Threshold (number in Fig. 6.13) to the selected Optical Channel (number in Fig. 6.13). Information For more information on Threshold see section 5.3.3 on page 37. FS42 A4250-5.0 HBM: public...
  • Page 59 Edit sensor. Delete sensor. Rename sensor. Zero sensor. Set sensor Active. Test sensor – Pressing the Test sensor button, the sensor value will be displayed on the graph area. Sensor characteristics can be edited (Fig. 6.15). FS42 A4250-5.0 HBM: public...
  • Page 60 For zeroed mea­ surements, this should be the sensors wavelength on the zero instant. The Ranges are defined as safety bands to avoid crosstalk between sensors meaning that each sensor FS42 A4250-5.0 HBM: public...
  • Page 61 To do so, click on the formula box and a formula window will appear (Fig. 6.16). Fig. 6.16 Formulas can be inserted using Excel syntax on the for­ mula area (number in Fig. 6.16). FS42 A4250-5.0 HBM: public...
  • Page 62 Fig. 6.17) and select the unit type (number in Fig. 6.17) for that formula. On the Offset box an offset to the wavelength (in nm) can be defined. Type dropdown box can be changed according to the sensors type. FS42 A4250-5.0 HBM: public...
  • Page 63 Sen­ sors can be automatically compensated for tempera­ ture effects. Clicking on the edit button that appears when temperature compensation is checked, the for­ mula window will be displayed (Fig. 6.18). Fig. 6.18 FS42 A4250-5.0 HBM: public...
  • Page 64 Sk; 0 Sk S TCS is the sensor's Temperature Cross Sensitivity (see number in Fig. 6.18); is the user defined temperature (number Fig. 6.18) that should correspond to the temperature FS42 A4250-5.0 HBM: public...
  • Page 65 Optical Sensors. To set the Virtual Sensor formula select the sensor cate­ gory as virtual (number in Fig. 6.15) and click in the Formula button (number in Fig. 6.15, page 60). FS42 A4250-5.0 HBM: public...

  • Page 66: Spectral View

    Fig. 6.19) and the Virtual Keyboard (number Fig. 6.19). 6.2.5 Spectral View The main purpose of the Spectral View tab is to provide graphical information on some characteristics of the Fiber Bragg Grating Sensors Spectrum from each Optical Channel. FS42 A4250-5.0 HBM: public...
  • Page 67 Fig. 6.20). Information on peak wavelength values as well as on their normalized ampli­ tudes (number in Fig. 6.20) can also be found on the Spectral View tab. Information The amplitudes are normalized to the highest reflection peak. FS42 A4250-5.0 HBM: public...
  • Page 68 Scale button. With this selection the spectrum is represented in log­ arithmic scale (number in Fig. 6.22) and the normal­ ized threshold value is converted to match Optical Power units regarding maximum peak acquired value. FS42 A4250-5.0 HBM: public...
  • Page 69 OSA graph will be showed in logarithmic mode after starting acquisition. Information on peak wavelength values as well as on their amplitudes (number in Fig. 6.22) can also be found on the Spectral View tab. FS42 A4250-5.0 HBM: public...
  • Page 70 (number in Fig. 6.23). Fig. 6.23 To rename the reference file, press the button num­ in Fig. 6.23. To turn off an active OSA Reference choose “----“ on OSA references drop list, (number in Fig. 6.23). FS42 A4250-5.0 HBM: public...

  • Page 71: Alarms

    USB flash drive. Naming is automatic: OSA-DD-MM-YYY-hh-mm-ss.bmp. 6.2.6 Alarms This tab is mainly used for gathering information on the generated alarms and events. Alarms are system created events. Events correspond to every action that the user performs. Fig. 6.24 FS42 A4250-5.0 HBM: public...
  • Page 72 NaN measurement or communication error/failure at a Blinking red rate of more than 10 events per minute. NaN measurement or communication error/failure at a Blinking yellow rate of less than 10 events per minute. Steady green No alarm. FS42 A4250-5.0 HBM: public...
  • Page 73 Graphical User Interface Sensor Alarms More than 10 “sensor out of range" notification per Blinking yellow minute. No alarm or less than 10 “sensor out of range" notifi­ Steady green cation per minute FS42 A4250-5.0 HBM: public...
  • Page 74 Graphical User Interface FS42 A4250-5.0 HBM: public...
  • Page 75 Graphical User Interface FS42 A4250-5.0 HBM: public...
  • Page 76 HBM Test and Measurement Tel. +49 6151 803-0 Fax +49 6151 803-9100 info@hbm.com measure and predict with confidence...

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