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triOS OSCAR G2 Manual

Online hyperspectral integrating cavity absorption meter
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OSCAR G2
Online hyperspectral integrating cavity absorption meter
Manual preliminary
release: 17.10.2018
TriOS Mess- und Datentechnik GmbH
Bürgermeister-Brötje-Str. 25
D-26180 Rastede
Germany
fon: +49 (0) 4402 69670-0
fax: +49 (0) 4402 69670-20
info@trios.de
www.trios.de

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  • Page 1 OSCAR G2 Online hyperspectral integrating cavity absorption meter Manual preliminary release: 17.10.2018 TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D-26180 Rastede Germany fon: +49 (0) 4402 69670-0 fax: +49 (0) 4402 69670-20 info@trios.de www.trios.de...

  • Page 2: Table Of Contents

    2.1.7 References......................18 Basic measuring arrangement of the OSCAR ............19 Technical specifications ..................20 Installation ........................21 Electrical installation .....................21 3.1.1 Power supply ....................21 3.1.2 EIA 232 / 485 ....................22 2 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 3 Cleaning and servicing ....................55 Sensor housing cleaning ..................55 Cavity cleaning .....................56 Calibration ........................58 Factory calibration ....................58 Procedure of the factory calibration ...............58 Reference spectrum of Nigrosin ................59 3 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 4 Warranty ........................60 Support .........................61 Fast functional test ....................61 Contact information.......................62 4 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 5: General Notes

    GmbH, should only be installed and operated following the instructions of the manufacturer. Please use only original accessories and cables of TriOS Mess- und Datentechnik GmbH for a professional use of the sensor. This device is designed for use in science. The intended use of the...

  • Page 6: Health And Environment

    Observe the currently valid biological agents regulation! Waste When dealing with liquid waste, the regulations concerning water pollution, drainage and waste disposal must be observed. 6 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 7: Warning Notices

    The use of these substances may lead to fire. Exception: cleaning of the optical windows with a few drops of acetone and optical paper from TriOS Mess- und Datentechnik GmbH or a lint-free tissue and cleaning of the cavity with ethanol.

  • Page 8: Target Group And User Skills

    Make sure that smoke or fume emissions have ceased. Please contact your dealer or TriOS Mess- und Datentechnik GmbH customer service.  Never attempt to disassemble or alter any part of it to make changes that are not expressly described in this guide.

  • Page 9: Intended Use

    Other media can lead to accidents. For the use of the sensor OSCAR in media other than the specified please contact support of TriOS Mess- und Datentechnik GmbH (support@trios.de). CAUTION  Avoid every contact with the glass and plastic components in the cavity, because they can be scratched or get dirty.

  • Page 10: Proper Disposal

    The previous professional decontamination must be proven by a certificate. Please contact us before you send the device to the manufacturer. This will tell you more details. Shipping address: TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede Germany...

  • Page 11: Introduction

    It supports EIA-232 and EIA-485 as well as various protocols, such as Modbus RTU. The sensor can be configured via the web interface. This is a graphical user interface that can be opened by a web browser. Like all TriOS Mess- und Datentechnik GmbH sensors, OSCAR is shipped pre-calibrated so that OSCAR is ready for immediate use.

  • Page 12: Measurement Setup

    The central light source is a sphere made from a diffuse quartz-glass sitting on the tip of a fiber optic connected to the light source. 12 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 13: Theoretical Considerations

    N this gives               13 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 14  is not known, it can be determined by measuring the “transmission” induces by Hence, if two solutions with known absorption coefficients using Eq. (7) and (5). 14 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 15: Calibration

    The optical density of this solution is roughly determined photometrically in a 1 cm cuvette at 578 nm, to be able to calculate the necessary volume of this stock solution 15 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 16: Calibration Procedure In Short

    4) determination of “transmission” (nigrosine solution vs. purified water) in the PSICAM, 5) cleaning and bleaching of the cavity after the measurement of the nigrosine solution 6) calculation of reflectivity (after temperature correction of pure water absorption), where 16 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 17: Measurement Of The Absorption Coefficient Of A Sample

    (i.e. 20°C and 0 PSU) has to be corrected using instrument-specific   temperature and salinity correction coefficients,        17 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 18: References

    (2005), Appl. Opt. 44: 5549-5560. J. Wollschläger, M. Grunwald, R. Röttgers, and W. Petersen, Flow-through-PSICAM: A new approach for determining water constituents absorption continuously, (2013), Ocean Dynamics 63: 761-775. 18 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 19: Basic Measuring Arrangement Of The Oscar

    The cavity contains the liquid sample to be measured. The TriOS Mess- und Datentechnik GmbH absorption meter can be purchased in two different cavity diameters (50 mm and 80 mm).

  • Page 20: Technical Specifications

    OSCAR G2 D01-44en201810 Software V.1.1.6 Manual 2.3 Technical specifications 20 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 21: Installation

    (Fig. 3). Use the locking sleeve to fix the connector. Turn the sleeve clockwise onto the bulkhead connector like shown in Fig. 4. Fig. 3. Carefully aligning the pins onto the connector 21 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 22: Eia 232 / 485

    The EIA 485 system uses differential balanced lines, whereby the 'B' line transmits the inverted signal of the 'A' line. The differential value between lines A and B is the decisive factor for the transmission robustness against conducted noise signals. 22 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 23: Ethernet

    The easiest way to connect to the sensor is to use the G2 Interface Box (see Fig. 6). This serves the connection as well as the power supply for the sensor and is universal for all TriOS Mess- und Datentechnik GmbH G2 sensors. 23 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str.
  • Page 24 Box, proceed as follows: Step 1) Make sure that the Ethernet adapter of your device is configured to automatically obtain the network settings (IP address and DNS server). 24 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 25: Mechanical Installation

    It is also possible to use special clamps similar to the ones shown in Fig. 7 to install the sensor. 25 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 26: Operation On-Site

    The clamps can be purchased from TriOS Mess- und Datentechnik GmbH. The operating pressure inside the cavity should not exceed 1 bar difference compared to its surrounding medium.
  • Page 27 OSCAR G2 D01-44en201810 Software V.1.1.6 Manual OSCAR Fig. 8. Specific holder for the 27 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 28: Operation

    Damage caused by misuse is not covered by the warranty! Completed settings must be saved with the "Save" button. Otherwise, all settings are lost. 28 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 29 Fig. 9 is divided into three areas: Title (above), menu (to the left under the TriOS logo) and content (right). Under the menu, there is a login section only accessible to certified TriOS service technicians.

  • Page 30: Overview

    We recommend choosing a window of time for the download / export, because 2 GB can take a long time. 30 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 31 MSDA_XE developed by TriOS Mess- und Datentechnik GmbH. The default configuration is set to Trios Standard. In this case, numerical values are stored in CSV format and spectra in MSDA_XE format. However, you may change this setting and store everything only in CSV format.

  • Page 32: Measurement

    4.1.3 Measurement The "Measurement" page (Fig. 13) shows the results of the last performed measurement and allows configuring the settings for automatic measurements. Fig. 13. Web interface: Measurement 32 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 33 The "Spectrum" item shows the current spectrum. You can press the "Download" button to download this spectrum to the computer. Fig. 14 shows the example of an attenuation spectrum. Fig. 14. Web interface: Measurement sub-item Spectrum, spectrum type attenuation 33 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 34 With the button “more” further information is visible, like listed below. Fig. 15. Web interface: Measurement sub-item Spectrum, further information Please note: The values above are just examples, they might be different in your application! 34 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 35 OSCAR G2 D01-44en201810 Software V.1.1.6 Manual Fig. 16. Web interface: Measurement sub-item Spectrum, spectrum type transmission 35 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 36 OSCAR G2 D01-44en201810 Software V.1.1.6 Manual Fig. 17. Web interface: Measurement sub-item Spectrum, spectrum type calibrated 36 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 37 If you choose transmission, you get calibrated spectra, too, but no attenuation spectra. Only if you activate attenuation, all 3 spectra types will be saved to the internal data logger. 37 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 38 If the entered values do not make sense or the spectra cannot be calculated within the given time, an error message appears like shown in Fig. 19 when activating the automatic mode. 38 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 39: Peripherals

    The "Peripherals" page is used to configure the interface, select a protocol, and change the Modbus address (see Fig. 20). To do so, just click on the “Edit” button at the page bottom. 39 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 40 Fig. 20. Web interface: Peripherals The factory settings are: Protocol: Modbus Hardware mode: RS 485 Baud rate: 9600 Flow control: None Parity: None Data bits: Stop bits: 40 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 41: System

    The "System" page (Fig. 21) is used to configure general OSCAR sensor parameters such as date and time. Furthermore, it allows downloading the current calibration as a backup. 41 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 42 For the normal user this file is keyed and unreadable. Use the “Upload” function to restore a previously downloaded calibration file or to upload a calibration file generated by the customer support of TriOS Mess- und Datentechnik GmbH to the OSCAR sensor.

  • Page 43: Calibration

    On the page "Calibration" OSCAR can be calibrated. That means a new waterbase (zero line) can be recorded and Nigrosin for the reflectivity calculation can be measured (Fig. 22). 43 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 44 On the page "Calibration" sub-item “Waterbase” the calibrated spectrum of the water basis (= zero line in ultra pure water) is visible (see Fig. 23). With “Edit” a new zero line can be recorded. 44 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 45 OSCAR G2 D01-44en201810 Software V.1.1.6 Manual Fig. 23. Web-Interface: Calibration sub-item Waterbase 45 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 46 On the sub-item “Nigrosin” (Fig. 25) a new measurement of Nigrosin can be taken. You also can perform an average measurement and you have to set the temperature of the solution. 46 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 47 OSCAR G2 D01-44en201810 Software V.1.1.6 Manual Fig. 25. Web-Interface: Calibration sub-item Nigrosin 47 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 48: Data Calculation With Msda_Xe

    OSCAR. Additionally the water base file and the reflectivity file are required. For data calculation proceed as follows  Install the MSDA_XE software  Open the MSDA_XE software 48 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 49 (Fig. 26 and Fig. 27).  Mark OSCAR_BXXX  Press the button “Control” and the control window opens Fig. 27. Device manager of MSDA_XE 49 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 50 OSCAR control window  Press [More ...] in the appearing window to open the advanced settings (Fig. 28). Fig. 29. OSCAR control window with general settings menu 50 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 51  Open the database under main menu – Database – Data.  Import the calibrated water and Nigrosin spectra measured with the OSCAR G2 device. 51 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 52: Calculation Of Absorption Spectra With Reflectivity

     Choose calibrated input. (Note: You can choose only the calibrated input, because the calibrated spectra of the OSCAR are temperature corrected. It is not possible to 52 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...
  • Page 53 This can be calculated with the function “singleSpecCalc. For the use of this feature a special licence is 53 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 54: Operation In Practice

    OSCAR G2 D01-44en201810 Software V.1.1.6 Manual necessary. Please contact support of TriOS Mess- und Datentechnik GmbH (support@trios.de). 4.3 Operation in practice In the following the practical operation with OSCAR is described:  Connect the OSCAR G2 Interface Box with your PC or laptop (see section 3.1.3), open the sensor menu with a web browser and configure the settings (see 4.1.3).

  • Page 55: Cleaning And Servicing

    Please do not use hydrochloric acid under any circumstances. Even very low concentrations will affect stainless steel parts. Additionally TriOS Mess- und Datentechnik GmbH warns against using strong acids, even if the sensor has titanium housing.

  • Page 56: Cavity Cleaning

    D01-44en201810 Software V.1.1.6 Manual facilitate the cleaning of the optical windows TriOS Mess- und Datentechnik GmbH offers a cleaning set with acetone and special optical cleaning paper. 5.2 Cavity cleaning The PSICAM cavity wall can be cleaned by using pure HPLC-grade ethanol and a lint-free tissue.
  • Page 57 Please note that the glass rods of the light source and the detector are solely stuck and fitted by small O-rings. Fig. 34. OSCAR with open cavity 57 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 58: Calibration

    Manual 6 Calibration 6.1 Factory calibration TriOS Mess- und Datentechnik GmbH sensors are factory calibrated at time of delivery. Depending on the parameter specific calibration substances are used for this. The calibration data is delivered together with the sensor. For all...

  • Page 59: Reference Spectrum Of Nigrosin

    Perkin Elmer Lambda 850. Lambda 850: Absorption spectrum of Nigrosin c = 0.4 mg/l_100 cuvette Wavelength (nm) Fig. 35. Reference spectrum of Nigrosin recorded with Perkin Elmer Lambda 850 59 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 60: Warranty

    Opening of the main housing of the sensor by the customer will cause a total loss of warranty (this does not refer to the cavity). Opening the sensor by the customer will cause a total loss of warranty! 60 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D- 26180 Rastede/Germany...

  • Page 61: Support

    8.1 Fast functional test A quick test of the device function can be performed with a measurement of air in the cavity. Send the spectra to support@trios.de. You also can send spectra of the medium or purified water to the support department.

  • Page 62: Contact Information

    Technical support: support@trios.de General request / sales: info@trios.de www.trios.de Our website: TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str. 25 D-26180 Rastede Germany fon: +49 (0) 4402 69670-0 fax: +49 (0) 4402 69670-20 62 / 62 (C)TriOS Mess- und Datentechnik GmbH Bürgermeister-Brötje-Str.

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