Ecotech Serinus 40 User Manual
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Ecotech Serinus 40 User Manual

Oxides of nitrogen analyser
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Serinus 40
Oxides of Nitrogen
Analyser
User Manual
Version: 2.2
www.ecotech.com
Introduction
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Summary of Contents for Ecotech Serinus 40

  • Page 1 Serinus 40 Oxides of Nitrogen Analyser User Manual Version: 2.2 www.ecotech.com Introduction Page 1...
  • Page 2 Serinus 40 User Manual 2.2 This page is intentionally blank Page 2...

  • Page 3: Table Of Contents

    Service and Repairs ................................12 CE Mark Declaration of Conformity ..........................13 Claims for Damaged Shipments and Shipping Discrepancies ..................14 Internationally Recognised Symbols on Ecotech Equipment ................... 15 Manual Revision History ..............................16 Introduction ............................ 19 Description ................................19 Specifications ..............................
  • Page 4 Serinus 40 User Manual 2.2 2.3.3 Communications Connections......................34 2.3.4 Analyser Set-up ........................... 35 U.S. EPA Reference Set-up ..........................36 EN Type Approval Set-up ............................ 37 Transporting/Storage ............................37 Operation ............................39 Warm-up ................................39 Measurement ..............................39 General Operational Information ........................40 Main Display ...............................
  • Page 5 4.5.1 Installation ............................67 4.5.2 Connecting the Serinus to your PC ...................... 67 4.5.3 Installing Airodis ..........................70 4.5.4 Configuring Airodis ..........................71 Serinus Remote App/Bluetooth .......................... 76 4.6.1 Installation ............................76 4.6.2 Connecting to the Analyser ......................... 77 4.6.3 Control Serinus Analyser ........................
  • Page 6 Serinus 40 User Manual 2.2 Noisy/Unstable Readings ..........................119 Converter Temperature Failure ........................120 Flow Block Temperature Failure ........................121 Reaction Cell Temperature Failure ........................122 Optional Extras..........................123 Dual Sample Filter PN E020100 ........................123 Rack Mount Kit PN E020116 ..........................123 High Pressure Zero/Span Valves ........................
  • Page 7 Figure 26 – Downloading data ....................... 74 Figure 27 – Download data status......................74 Figure 28 – Data visibility ........................75 Figure 29 – Exporting data ........................75 Figure 30 – Data download complete ....................76 Figure 31 – Downloading the app from Google Play Store ..............77 Figure 32 –...
  • Page 8 Figure 79 – Attach rear rack mount adaptors to slide................. 126 Figure 80 – Rack mount ears fitted to analyser ................... 126 Figure 81 – Rack installation ........................ 127 Figure 82 – Serinus 40 high level pneumatic diagram ................. 128 Page 8...
  • Page 9 List of Tables Table 1 – Manual revision history ......................16 Table 2 – Sample cycle, 5 times per cycle ....................39 Table 3 – Background cycle, once per cycle ................... 40 Table 4 – Digital pots ..........................53 Table 5 – Analog outputs ........................64 Table 6 –...

  • Page 10: Manufacturer's Statement

    Thank you for selecting the Ecotech Serinus 40 Oxides of Nitrogen Analyser. The Serinus series is the next generation of Ecotech designed and manufactured gas analysers. The Serinus 40 will perform oxides of nitrogen measurements over a range of 0-20ppm with a lower detectable limit of 0.4 ppb.

  • Page 11: Safety Requirements

    To reduce the risk of personal injury caused by electrical shock, follow all safety notices and warnings in this documentation. If the equipment is used for purposes not specified by Ecotech, the protection provided by this equipment may be impaired.

  • Page 12: Service And Repairs

    If you are within Australia or New Zealand please contact our service response centre via email on service@ecotech.com.au or call +61 (0)3 9730 7800. If outside of Australia and New Zealand please email our international support department at intsupport@ecotech.com or call +61 3 9730 7800.

  • Page 13: Ce Mark Declaration Of Conformity

    CE Mark Declaration of Conformity This declaration applies to the Serinus 40 Oxides of Nitrogen Analyser as manufactured by Ecotech Pty. Ltd. of 1492 Ferntree Gully Rd, Knoxfield, VIC, 3180, Australia. The instrument to which this declaration relates is in conformity with the following European Union Directives:...

  • Page 14: Claims For Damaged Shipments And Shipping Discrepancies

    Check all packages against the packing list immediately on receipt. If a shortage or other discrepancy is found, notify the carrier and Ecotech immediately. We will not be responsible for shortages against the packing list unless they are reported promptly (within 7 days).

  • Page 15: Internationally Recognised Symbols On Ecotech Equipment

    Internationally Recognised Symbols on Ecotech Equipment Electrical fuse IEC 60417-5016 Earth (ground) terminal IEC 60417-5017 Protective conductor terminal IEC 60417-5017 Equipotentiality IEC 60417-5021 Alternating current IEC 60417-5032 Caution, hot surface IEC 60417-5041 Caution, risk of danger. Refer to accompanying ISO 7000-0434...

  • Page 16: Manual Revision History

    Description: User Manual for the Serinus 40 Oxides of Nitrogen Analyser This manual is the full user manual for the Serinus 40 Oxides of Nitrogen Analyser. This manual contains all relevant information on theory, specifications, installation, operation, maintenance and calibration. Any information that cannot be found within this manual can be obtained by contacting Ecotech.
  • Page 17 Edition Date Summary Pages September 2011 Analog inputs Various Network adapter menu General overhaul of manual drawings, pictures and content July 2012 New chassis Various Update menu system Add Bluetooth menu Serinus remote Android app Rack mount procedure update Analog output calibration March 2013 General overhaul of manual drawings, pictures and Various...
  • Page 18 Serinus 40 User Manual 2.2 This page is intentionally blank. Page 18...

  • Page 19: Introduction

    (NO), total oxides of nitrogen (NOx) and nitrogen dioxide (NO The Serinus 40 analyser measures to a sensitivity of 0.4 ppb with a range of 0-20 ppm. The measurement of these three gases is performed with the following main sub-components: ...

  • Page 20: Calibration

    Serinus 40 User Manual 2.2 Response Time 15 seconds to 90%. Sample Flow Rate 0.3 SLPM (0.6 SLPM total flow for two channels). 1.2.3 Calibration Zero Drift Temperature dependant: 0.1 ppb per °C. 24 hours: < 0.4 ppb 7 days: <...

  • Page 21: Communications

    1.2.6 Communications  USB port connection on rear panel  Bluetooth (digital communication via Android App)  TCP/IP Ethernet network connection (optional)  RS232 port #1: Normal digital communication  RS232 port #2: Multi-drop port used for multiple analyser connections on a single RS232 cable ...

  • Page 22: Nomenclature

    Serinus 40 User Manual 2.2 1.3 Nomenclature Nitrogen oxide, or nitric oxide. Nitrogen dioxide. A generic term for mono-nitrogen oxides NO and NO Span: A gas sample of known composition and concentration used to calibrate/check the upper range of the instrument (GPT using NO gas).

  • Page 23: Background/Theory

    Bootloader: A program that checks whether the current firmware is valid, then executes the instrument start-up. The bootloader can be entered by pressing the ‘+’ key on the front keypad during the first ½ second after power on, and following the prompts. The bootloader then enables various low level recovery tools, including updating the main firmware from a USB key.

  • Page 24: Kalman Filter Theory

    Serinus 40 User Manual 2.2  The concentration of NO is then calculated by subtracting the NO measurement from the NO measurement Figure 1 – Simple pneumatic diagram  This reaction releases energy in the form of chemiluminescent radiation, which is filtered by the optical bandpass filter and detected by the photomultiplier tube (PMT) ...

  • Page 25: Instrument Description

    1.5 Instrument Description The major components of the Serinus 40 are described below: Figure 2 – Internal components diagram 1.5.1 Calibration Valve Manifold The calibration valve manifold switches between sample, calibration and background gas. 1.5.2 Auxiliary Valve Manifold The auxiliary valve manifold switches sample gas between NO and NO channels along with background and bypass flow.

  • Page 26: Dryer

    Serinus 40 User Manual 2.2 1.5.5 Dryer The dryer is constructed of Nafion tubing, and is designed to remove water vapour from ambient air that is used by the ozone generator. The water is absorbed and moves through the walls of the tubing, evaporating into the surrounding air.

  • Page 27: Main Controller Pcb

    PMT Cooler The PMT cooler ensures that the PMT is operated at a constant 13 deg C. This reduces the measurement noise of the PMT. PMT High Voltage Supply and Preamplifier Module This is a single component within the PMT housing. Its function is to supply high voltage to the PMT and to amplify the photocurrent signal from the PMT.
  • Page 28 Serinus 40 User Manual 2.2 This port can be used for instrument communication and is also good for quickly downloading data, onsite diagnostics, maintenance and firmware upgrades. TCP/IP (optional) This port is best used for remote access and real-time access to instruments when a network is available to connect with.
  • Page 29 Bluetooth This allows for remote access of the analyser to any Android device with the Serinus remote application installed on it. Uses Bluetooth to control the analyser, view parameters, download data and construct real-time graphs. Introduction Page 29...
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  • Page 31: Installation

    2.1 Initial Check Packaging The Serinus 40 is transported in packaging which is specifically designed to minimise the effects of shock and vibration during transportation. Ecotech recommends that the packaging be kept if there is a likelihood that the instrument is going to be relocated.

  • Page 32: Mounting/Installing

    Serinus 40 User Manual 2.2 Items Received With the delivery of the Serinus 40, you should have received the following:  Ecotech Serinus 40 instrument PN: E020040  Software CD PN: S040001  Manual PN: M010028 (hardcopy optional)  USB Stick PN: H030021 ...

  • Page 33: Instrument Set-Up

    2.3.1 Pneumatic Connections The Serinus 40 has 4 pneumatic ports on the back panel of the analyser; the sample port, the calibration port, the exhaust port and the background air port. All tubing and fittings used should follow the instructions below: ...

  • Page 34: Power Connections

    Serinus 40 User Manual 2.2 Calibration Port The calibration port should be connected to the span/zero source. It is recommended that a gas calibrator be used with a nitrogen oxide GPT source to deliver precise concentrations of NO and NO Note: All connections to this port should not exceed ambient pressure.

  • Page 35: Analyser Set-Up

    Connect a USB cable to computer and run either the Serinus downloader program or an Ecotech WinAQMS data logger. TCP/IP (optional) Plug in a network cable (this cable should be attached to a network) and use the supplied Airodis software to access the instrument and download data. The Airodis software is supplied on the green USB resources key provided with this instrument.

  • Page 36: Epa Reference Set-Up

    Serinus 40 User Manual 2.2 2.4 U.S. EPA Reference Set-up The Serinus 40 is designated as reference method RFNA–0809–186 by the U.S. EPA (40 CFR Part 53). The Serinus 40 must be used under the following conditions to satisfy this approval: Range 0-0.050 ppm and 0-1.0 ppm...

  • Page 37: Type Approval Set-Up

    2.5 EN Type Approval Set-up The Serinus 40 has been certified to MCERTS performance standards for Continuous Ambient Air Quality Monitoring Systems. The certificate number is Sira MC 100167/02. The Serinus 40 must be used under the following conditions to meet EN requirements:...

  • Page 38: Figure 5 - Switching The Battery On/Off

    Serinus 40 User Manual 2.2 7. Place the instrument back into the original foam and box it was delivered in. If this is no longer available find some equivalent packaging which provides protection from damage. 8. The instrument is now ready for long term storage or transportation.

  • Page 39: Operation

    After this warm-up has completed the instrument will immediately begin taking measurements (refer to Section 3.2). 3.2 Measurement The Serinus 40 NO Analyser is a dual channel monitoring instrument which means that it measures sample air through two different paths. These two paths are used to measure NO (Sample) and NO...

  • Page 40: General Operational Information

    Serinus 40 User Manual 2.2 Table 3 – Background cycle, once per cycle Instrument State Duration Description Background Fill 8 sec Cell fills with background air Background Measure 3 sec Background air is measured Background Purge 4 sec Background air is removed from the cell and filled with NO sample Total cycle time is 75 sec.
  • Page 41 Keypad (3) The keypad contains numbers 0-9, decimal point/minus key ( ̅) and a space/plus key ( ). The number keys are used to input numbers; in those cases where letters can be entered, the number keys act like a telephone keypad. ) and key ( ̅) button functions depend on context.

  • Page 42: Main Display

    Serinus 40 User Manual 2.2 3.4 Main Display The main display is composed of seven parts: the readings (1), the error/status line (2), the instrument activity line (3), selection buttons (4), the time/date (5), the concentration units (6) and USB status (7).

  • Page 43: Menus & Screens

    USB Detection (7) A USB symbol will be displayed in the bottom right corner when the USB memory stick is plugged in (behind front panel). If the USB symbol is not shown the USB memory stick should be inserted. Underneath the USB symbol arrows may be displayed which indicates data transfer. The USB memory stick must not be removed whilst the arrows are visible.

  • Page 44: Main Menu

    Serinus 40 User Manual 2.2 Gain This is a multiplication factor which is used to adjust the concentration measurement to the appropriate level (set by performing a Span Calibrate). This should be recorded after each calibration in the station log book.

  • Page 45: Analyser State

    3.5.3 Analyser State This displays the status of various parameters that affect instruments. Status Refer to Section 3.5.4 Temperatures Refer to Section 3.5.5 Pressures & Flow Refer to Section 3.5.6 Voltages Refer to Section 3.5.7 Event Log This field enters a screen with a log of all the events that the instrument has performed.

  • Page 46: Temperatures

    Serinus 40 User Manual 2.2 USB Memory Stick Detects whether a USB memory stick is plugged into the front USB port. Bkgnd V Saturated Indicates if the voltage of the concentration during background is within the limits of the analog to digital converter (-0.26 to 3.29 V).

  • Page 47: Voltages

    3.5.8 Voltages Conc Voltage (RAW) Voltage from the PMT proportional to the detected signal from the reaction cell. This voltage represents the actual measurement of gas. High Voltage The voltage applied to the PMT (normally set to 700 volts ±15 V for ambient applications).

  • Page 48: Measurement Settings

    Serinus 40 User Manual 2.2 3.5.10 Measurement Settings Average Period Set the time period over which the average will be calculated: minutes (1, 3, 5, 10, 15, or 30) or hours (1, 4, 8, 12, or 24). Filter Type Sets the type of digital filter used (None, Kalman, 10 sec, 30 sec, 60 sec, 90 sec, 300 sec or Rolling).

  • Page 49: Calibration Menu

    3.5.11 Calibration Menu Calibrating the instrument should be done with care. Refer to Section 5 before using these menus. Calibration Type Depending on the selection in this field, a number of extra menu items will be displayed. These are separately documented in Sections 3.5.11 and 3.5.12).

  • Page 50: Manual Mode

    Serinus 40 User Manual 2.2 Zero Calibrate NO This field is used to correct the zero calibration setting on the NO This option should be used only when zero gas is running through the measurement cell. When this is stable activate the...

  • Page 51: Timed Mode

    3.5.13 Timed Mode These items appear in the Calibration Menu when Calibration Type is set to Timed. Date Enter the date for the next calibration to start. Time Enter the time that calibration will be performed. The time is set using a 24 hour clock.

  • Page 52: Diagnostics

    Serinus 40 User Manual 2.2 Load Configuration Loads a configuration file from the USB memory stick. Thus, you can save a configuration and restore it later. Auto-Backup Selects whether the parameter and configuration files are automatically saved once a day (at midnight).

  • Page 53: Digital Pots

    Control Loop When Enabled the instrument will control all processes within the instrument. Selecting Disabled pauses the instrument control over certain processes and parameters (e.g. digital pots). The user can now manually alter and adjust digital pots without the microprocessor overwriting the changes.

  • Page 54: Valve Menu

    Serinus 40 User Manual 2.2 3.5.17 Valve Menu Valve Menu allows the user to observe the opening and closing of valves as well as providing the ability to open and close them manually. Valve Sequencing When Enabled the instruments valves will open and close under microprocessor control.

  • Page 55: Tests

    3.5.19 Tests Screen Test Performs a screen test by drawing lines and images on the screen so that the operator can determine if there are any faults in the screen. Press a keypad key to step through the test. The up and down arrow keys will adjust the contrast. Digital Inputs Displays the status of the 0-7 digital input pins.

  • Page 56: Data Logging Menu

    Serinus 40 User Manual 2.2 3.5.22 Data Logging Menu Data Log Setup – Numeric This allows up to 12 parameters to be logged. After each parameter (labelled Logging Param. 1 – Logging Param. 12), place the number of the parameter that is to be logged. A 255 indicates the end of the list of parameters to be logged (refer to Appendix A for a list of parameters).

  • Page 57: Analog Input Menu

    Sets the protocol used for this serial port (EC9800, Bavarian, Advanced, or Modbus). This must be set to Advanced Ecotech supplied software. Baud (RS232 #2) Sets the baud rate for this serial port (1200, 2400, 4800, 9600, 14400, 19200, or 38400).

  • Page 58: Analog Output Menu

    Serinus 40 User Manual 2.2 3.5.25 Analog Output Menu Output Type current The analog outputs can be set to be either voltage . Only some of the fields below will be displayed depending on which analog output type is selected. All three outputs must be the same output type.

  • Page 59: Digital Inputs Menu

    3.5.26 Digital Inputs Menu This menu is used to remotely trigger zero and span calibrations. This is done by assigning the 8 digital inputs with one of the following commands. Disabled No action taken Do Span Perform a span check Do Zero Perform a zero check The input is triggered with an active low.

  • Page 60: Network Adaptor Menu

    Serinus 40 User Manual 2.2  Background  Span  Zero  System Assign the digital outputs 0-7 (refer to Figure 11 for pinouts). 3.5.28 Network Adaptor Menu Network Adaptor Menu allows the user to view or set the I.P. address, Netmask and Gateway if the optional network port is installed.
  • Page 61 Netmask This is the subnet mask of the network the analyser is connected to e.g. 255.255.255.0. Gateway This is the IP address of the router to access addresses not on the same subnet e.g. 192.168.1.1. Adaptor is in DHCP mode In this mode the analyser will ask for its network parameters from a DHCP server on your network.
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  • Page 63: Communications

    (Appendix D) 4.2 USB Communication This is ideal for irregular connection to a laptop running Ecotech’s Airodis software to download logged data and remotely control the instrument. Due to the nature of USB, this is a less reliable permanent connection as external electrical noise can cause “USB disconnection” errors on a data logger.

  • Page 64: Tcp/Ip Network Communication (Optional)

    Serinus 40 User Manual 2.2 4.3 TCP/IP Network Communication (optional) This port is best used for remote and real-time access to instruments when network connectivity is available. It supports any one the following protocols:  Advanced protocol (Appendix A) ...

  • Page 65: Analog Output Calibration Procedure

    4.4.2 Analog Output Calibration Procedure Voltage Calibration 1. Navigate to the Communications→Analogue Output Menu. 2. Ensure that Output Type is set to Voltage. 3. Connect a volt meter (using an appropriate adaptor or probes on the volt meter) to the ground (pin 24) and the relevant output pin (pin 10).

  • Page 66: Figure 10 - Serinus 25 Pin Microprocessor Board (With Default Jumpers Highlighted)

    Serinus 40 User Manual 2.2 Figure 10 – Serinus 25 pin microprocessor board (with default jumpers highlighted) Figure 11 – External 25 pin I/O individual pin descriptions CAUTION The analog and digital inputs and outputs are rated to CAT I.

  • Page 67: Using Airodis Software To Download Data From A Serinus Gas Analyser

    4.5 Using Airodis Software to Download Data from a Serinus Gas Analyser 4.5.1 Installation Configure the Serinus Logging Interval In order to download logged data from the Serinus, you will need to define the data logging interval. Navigate to Main Menu Communications Menu  Data Logging Menu Figure 12 –...

  • Page 68: Figure 14 - Installing Driver Software

    When prompted where to search for the driver, select “Browse my computer”. Figure 14 – Installing driver software The Serinus USB driver is located on the green Ecotech Resources USB stick under “\Drivers\Ecotech Analyser”. Select this directory and click “Next”.

  • Page 69: Figure 16 - Installing Driver

    Figure 16 – Installing driver If everything went smoothly, Windows will inform you that the driver was successfully installed. Figure 17 – Successful driver installation 4.5.2.2 Connecting over Serial (RS-232) From the Serinus menu, navigate to Main Menu Communications Menu  Serial Communications.

  • Page 70: Installing Airodis

    You can download data from the Serinus using either a full retail (paid) version of Airodis or with the demo version which is included on the green Ecotech Resources USB stick. The demo version has limited functionality, but will allow you to download and export data from a Serinus (up to 3 instruments).

  • Page 71: Configuring Airodis

    2. Start the Client, Server and Download Server by single-clicking the toggle button for each. The client may prompt to register with Ecotech or install an update. Follow the prompts if it does. 3. Once the Client application has loaded, click Home→Add Station→New Physical Station.

  • Page 72: Figure 23 - New Station Connection

    The name of the station. If you have other loggers, the name is used to distinguish them. Logger Set this to “Ecotech Serinus” when downloading from any Serinus series instrument. This will communicate with the Serinus on the Advanced protocol. If using a network or serial connection, ensure that the Advanced protocol has also been selected on the Serinus itself (Refer to Appendix A).

  • Page 73: Figure 24 - Station Configuration

    Figure 23 – Station configuration Note: If there was an error connecting to the Serinus, a red dot will appear next to its name in the station list. Hovering over the red dot will present you with an error message. Figure 24 –...
  • Page 74 Serinus 40 User Manual 2.2 Figure 25 – Downloading data The status of the download will appear in the bottom-left corner of the window. You can also monitor the status of the download from the Home tab. Figure 26 – Download data status 8.
  • Page 75 Figure 27 – Data visibility 9. Data can be exported by clicking the export function. This will allow you to save your data in CSV format, which can then be loaded into another program such as Microsoft Excel. It is also possible to copy/paste (ctrl+C / ctrl+V) data directly from the Airodis data manager.

  • Page 76: Serinus Remote App/Bluetooth

    Construct graphs from logged data or real time measurements 4.6.1 Installation The Serinus Remote Application can be found in the Google Play Store by searching for “Ecotech” or “Serinus”. Once found, choose to Install the application and then Open to start the application. Page 76...

  • Page 77: Connecting To The Analyser

    Figure 30 – Downloading the app from Google Play Store Note: A menu containing additional features and functions can be accessed by entering the Options Menu (or similar) on your device. The location and format of this menu may vary. 4.6.2 Connecting to the Analyser Refer to the...

  • Page 78: Control Serinus Analyser

    Serinus 40 User Manual 2.2 A screen shot of the analyser’s current screen should appear on your Smartphone or Tablet. To disconnect press the Back key/button on the device. Note: Once the analyser has been paired with the device it will appear under “Paired Devices” and the PIN will not need to be entered again.
  • Page 79 Figure 33 – Switching analysers in the Serinus Application The Back Button This button will return to the selection screen, allowing you to connect to a different analyser. Options Menu Options Menu is accessed by the grey button in the top right corner of the screen or pressing the menu button, depending on your Android device.

  • Page 80: Real-Time Plot

    Serinus 40 User Manual 2.2 4.6.4 Real-time Plot Allows user to view real-time plotting of up to four parameters at the same time. The user can also scroll from left to right, top to bottom, or zoom in and out on the plot by swiping/pinching.

  • Page 81: Download

    4.6.5 Download Downloads logged data from the USB stick inside the analyser. All data logged by the analyser to the USB stick over the period of time specified will be collected. Due to the slow connection speed of Bluetooth, this should only be used for relatively short sections of data. Downloading 1 days’ worth of 1 minute data is likely to take a couple of minutes.

  • Page 82: Preferences

    Serinus 40 User Manual 2.2 Options Menu Refreshes the parameter list display. Parameters Save Generates a filename from the current date and time, saves the parameter data in the location specified in preferences, and then asks to send the saved text file as an attachment to an email.
  • Page 83 Colour Theme Settings Allows the operator to choose a colour scheme for the remote screen (“Matrix”, “Classic”, “Emacs” or “Custom”). Figure 38 – Colour theme settings Communications Page 83...
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  • Page 85: Calibration

    Zero calibrations are used to set the zero point of the analyser. Note: This calibration is unnecessary and Ecotech recommends that the zero calibration only be used when specifically required as it tends to mask issues that should be addressed during maintenance/service.

  • Page 86: Span Calibration

    Serinus 40 User Manual 2.2 5.2 Span Calibration Span calibrations calibrate the instrument to the upper limits of normal monitoring. Ecotech recommends that 80% of the required measurement range should be sufficient for calibrations in ambient monitoring situations (~400 ppb). A span calibration can be performed through either the Calibration Port or Sample Port.

  • Page 87: Multipoint Precision Check

    The instrument gain should not be adjusted to each individual point. 1. Ensure a suitable span source is connected to the instrument from a gas calibrator (Ecotech recommends the GasCal-1100 with GPT) through the Calibration Port.
  • Page 88 Serinus 40 User Manual 2.2 Microsoft Excel Alternatively all the data can be placed into an Excel spread sheet in columns next to the supplied concentration. 1. Create an X/Y scatter plot of expected calibration against instrument response. Right click on either point and select Add Trendline.

  • Page 89: Precision Check

    5.4 Precision Check A precision check is a Level 2 calibration. This means that the instrument has a known concentration of span gas (or zero air) running through it and an observation of the instrument’s concentration is made with no adjustment. A precision check can be performed either manually or automatically. If an instrument fails a precision check (based on your local applicable standards), perform a span calibration (refer to Section 5.2) or zero calibration (refer to Section 5.1) where appropriate.

  • Page 90: Pressure Calibration

    Serinus 40 User Manual 2.2 5.6 Pressure Calibration The pressure calibration involves a two point calibration. One point is under vacuum and another point is at ambient pressure. To perform a pressure calibration the following steps must be completed. Note: The vacuum calibration must be performed first when performing a full pressure calibration.
  • Page 91 Figure 42 – Blocking exhaust T-piece 5. Disconnect the tubing connecting the valve manifold to the ozone generator and connect the barometer on the valve manifold ozone inlet port (see Figure 43). Figure 43 – Position of barometer placement (valve manifold) 6.
  • Page 92 Serinus 40 User Manual 2.2 Blocked Sample Port Leads to Vacuum Pump Figure 44 – Rear analyser ports 7. Ensure that the pressure reading on the external meter is stable. Now edit the Vacuum Set pt. value to equal the pressure measured by the external meter. The screen will display three voltages.
  • Page 93 Figure 46 – Vacuum calibration, on-screen instructions 10. Disconnect the external vacuum, sample port blocker and the exhaust line tee blocker. Ambient Point Calibration Note: It is important to wait 3 to 5 minutes to allow the analyser to stabilise before performing the ambient calibration.

  • Page 94: High Pressure Zero/Span Valve

    Serinus 40 User Manual 2.2 Figure 48 – Return to normal mode notice 8. Reconnect external tubing to the rear of the analyser. 5.7 High Pressure Zero/Span Valve If the analyser was ordered with this option, the internal pressurised calibration valves will already be installed within the analyser as either a zero or span calibration source, thus no other internal connections need to be made.

  • Page 95: Dual Pressurised Calibration Option

    Return to Normal Operation 1. Set Cal. Mode → Measure. 2. Remove the flow meter on the Calibration Port and connect the vent line to the port. 3. Reconnect the instrument fittings and return to the original set-up. 4. The instrument is now in normal operation mode. Figure 49 –...
  • Page 96 Serinus 40 User Manual 2.2 7. Open the shut off valve on the zero-air cylinder; adjust the regulator pressure until the flow on the vent line (Auxiliary Out Port) is between 0.5 and 1 lpm. 8. Change Set Cal Port External (Main Menu →...

  • Page 97: Service

    6. Service 6.1 Pneumatic Diagram Figure 51 - Pneumatic diagram 6.2 Maintenance Tools To perform general maintenance on the Serinus 40 the user may require the following equipment:  Digital multimeter (DMM)  Computer or remote data terminal and connection cable for RS232 or USB communication ...

  • Page 98: Maintenance Schedule

    * Suggested intervals for maintenance procedure are a guide only and may vary with sampling intensity and/or environmental conditions. 6.4 Maintenance Procedures Note: The Serinus 40’s internal ozone destroyer removes near 100% of ozone in exhaust air (<20ppb remains). An additional optional charcoal scrubber can be attached to the exhaust to capture NO and low levels of ozone.

  • Page 99: Clean Fan Filter

    Figure 52 – Removing plunger 5. Remove old filter, wipe down plunger with damp cloth and insert new filter. 6. Replace plunger, screw cap on and reconnect the pump. 7. Close instrument and perform leak check (refer to Section 6.4.5). 6.4.2 Clean Fan Filter The fan filter is located on the rear of the analyser.

  • Page 100: Dfu Replacement

    Serinus 40 User Manual 2.2 6.4.3 DFU Replacement 1. Turn the analyser off and unplug from the power. 2. Remove the Kynar nut from the end of the DFU by turning it anti-clockwise (looking from the DFU side). 3. Replace the DFU and ensure that the flow is in the correct direction (arrow should point towards the Kynar nut).

  • Page 101: Full Leak Check

    Figure 55 – Plugged Sample, Background, and Calibration Ports    3. Enter the Main Menu Analyser State Status Menu Pressures & Flow Menu compare the cell and the manifold pressures. 4. Allow 5 minutes for the pressures to stabilise. 5.
  • Page 102 Serinus 40 User Manual 2.2 Figure 56 – Pressure gauge on exhaust Leak Check Procedure 1. Connect a shut off valve to the exhaust port of the analyser. 2. Connect a pump to the shut off valve ensuring the shut off valve is in the open position, turn on the pump.

  • Page 103: Replacing The Pmt Desiccant Pack

    11. If the instrument did not leak then skip to step number 15. 12. Inspect the instrument’s plumbing looking for obvious damage. Check the condition of fittings, sample filter housing plus the O rings both in the filter assembly and in the cell assembly. 13.

  • Page 104: Cleaning The Reaction Cell

    Serinus 40 User Manual 2.2 3. Remove the old desiccant packs and replace with new ones. Do not attempt to dry and reuse the old packs. 4. Inspect the inside of the PMT housing (by touch or with an inspection mirror) to check for moisture inside the housing.

  • Page 105: Clean Pneumatics

    Figure 58 – Optical filter removal and cleaning 3. Turn the reaction cell upside down and remove the four screws fastening the optical filter from the cell. 4. Clean the filter and the inside of the cell with high purity isopropyl alcohol. 5.
  • Page 106 Serinus 40 User Manual 2.2 3. If the calibration fails then the instrument may have a hardware fault. The cell pressure PCA and the manifold pressure PCA have test points. To determine if the pressure sensor is faulty simply measure the voltage on the test points shown in the photos. The voltage measured across the...

  • Page 107: Battery Replacement

    6.4.11 Ozone Generator Maintenance Ozone production in the Serinus 40 is achieved via a corona discharge method. Ambient air is drawn through a DFU (disposable filter unit), a Nafion dryer and then into the ozone generator and high levels (≈6,000ppm) of ozone are produced. This reactive gas can deteriorate the Viton O-rings over...
  • Page 108 Serinus 40 User Manual 2.2 2. Disconnect the electrical plug and the two tube connections from the assembly. Remove the four screws on the side (remove the coil and ozone generator cell assembly after ensuring the pneumatic and electrical connections are disconnected).
  • Page 109 Figure 65 – Disassembled ozone generator cell assembly 6. Fit the new Viton O-rings (refer to Figure 66) O010019 and O010020. Figure 66 – Replacing Viton O-rings 7. Reassemble the ozone generator assembly. A complete assembly leak check should be performed before re-installing the unit in the analyser.

  • Page 110: Parts List

    Serinus 40 User Manual 2.2 6.5 Parts List Below is a list of the replaceable parts of the Serinus 40. Some of these parts will not need replacing and others are consumables for preventative maintenance. See below for information on yearly consumable kits available from Ecotech.

  • Page 111: Table 9 - Serinus Maintenance Kit

    Tubing, tygon, ¼ x 1/8 clear 3 feet T010011 *The above maintenance kit is suitable only for instruments with serial number 11-0001 and beyond. Analysers with serial numbers lower than 11-0000, require kit E020203. Contact Ecotech for more details. Service Page 111...

  • Page 112: Bootloader

    Serinus 40 User Manual 2.2 Table 10 – Other consumables (not listed in maintenance kit) Part Description Part Number Filter paper Teflon 47MM pack of 50 F010006-01 Filter paper Teflon 47MM pack of 100 F010006 to NO converter assembly, H011105-40...

  • Page 113: Updating Firmware

    6.6.3 Updating Firmware It is important for optimal performance of the Serinus analyser that the latest firmware is loaded onto the analyser. The latest firmware can be obtained by visiting Ecotech’s website: http://www.ecotech.com/downloads/firmware Or by emailing Ecotech at service@ecotech.com.au intsupport@ecotech.com...
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  • Page 115: Troubleshooting

    7. Troubleshooting Table 11 - Troubleshoot list Error Message/Problem Cause Solution Flow fault Multiple possibilities Refer to Section 7.1 Noisy/unstable readings Multiple possibilities Refer to Section 7.2 Calibration system error Ensure calibration system is functioning correctly and is leak free. Ensure sufficient gas is available for instrument and an adequate vent is available for excess gas.
  • Page 116 Serinus 40 User Manual 2.2 Error Message/Problem Cause Solution Flow block temp failure Faulty heater or Refer to Section 7.4 temperature sensor Reaction cell temp failure Faulty heater or Refer to Section 7.5 temperature sensor Analyser resetting Multiple possibilities 1. Check that the instrument is not overheating.
  • Page 117 Error Message/Problem Cause Solution No response to span gas Leaks/blockages Leaks or blockages in tubes or valves. Perform leak check and flow check and repair any leaks/blockages. Faulty calibration source Ensure calibration gas is plumbed correctly, is not contaminated, has no leaks and is a NATA/NIST reference gas.

  • Page 118: Flow Fault

    Serinus 40 User Manual 2.2 7.1 Flow Fault Figure 67 – Zero flow fault troubleshooting flow chart Page 118...

  • Page 119: Noisy/Unstable Readings

    7.2 Noisy/Unstable Readings Figure 68 – Noisy or unstable readings troubleshooting flow chart Troubleshooting Page 119...

  • Page 120: Converter Temperature Failure

    Serinus 40 User Manual 2.2 7.3 Converter Temperature Failure Figure 69 – Converter alarm troubleshooting flow chart Page 120...

  • Page 121: Flow Block Temperature Failure

    7.4 Flow Block Temperature Failure Figure 70 – Valve manifold temperature alarm troubleshooting flowchart Troubleshooting Page 121...

  • Page 122: Reaction Cell Temperature Failure

    Serinus 40 User Manual 2.2 7.5 Reaction Cell Temperature Failure Figure 71 – Reaction cell temperature failure troubleshooting flow chart Page 122...

  • Page 123: Optional Extras

    8. Optional Extras 8.1 Dual Sample Filter PN E020100 The dual filter is designed with two sample filters plumbed in parallel with a split line. This formation allows sample flow not to be affected, yet reduces the loading on each filter, and therefore the frequency with which they will need to be changed.
  • Page 124 Serinus 40 User Manual 2.2 Installing the Instrument 1. Remove the rubber feet from the analyser (if attached). 2. Separate the slide rail assembly by pressing the black plastic clips on the slide rails to remove the inner section of the rail (refer to Figure 73).
  • Page 125 Figure 75 – Attach rack mount adaptors to outer slides 5. Install the two assembled outer slide rails onto the left and right side of the rack securely with M6 bolts; washer and locknuts (refer to Figure 76). Figure 76 – Attach slides to front of rack Figure 77 –...
  • Page 126 Serinus 40 User Manual 2.2 Figure 78 – Attach rear rack mount adaptors to slide 7. Install rack mount ears on the front of the instrument using two M4 x 10 screws on each side (refer to Section 2.2). Figure 79 – Rack mount ears fitted to analyser 8.

  • Page 127: High Pressure Zero/Span Valves

    9. Push the analyser fully in. At this point, make sure that the analyser slides reach and locate in to the plastic catches at the rear end of the outer slides. Adjust the outer slides as required until this is achieved. Remove analyser and now tighten the M4 screws and nuts that secure the front and rear claws on both sides of the rack.

  • Page 128: High Level Option

    Serinus 40 User Manual 2.2 8.4 High Level Option The Serinus 40 high level option (E020113) allows measurement at higher ranges (0-1000ppm) with an LDL of 4ppb. Changes to the instrument include:  Delay coil removed (shown in Figure 81) ...

  • Page 129: Appendix A. Advanced Protocol Parameter List

    Appendix A. Advanced Protocol Parameter List Note: Parameters are for all Serinus series analysers and may not be applicable to an individual analyser. Table 12 - Advanced protocol parameter list Description Notes Sample / Cal Valve 0=sample, 1=cal/zero Cal / Zero Valve 0=zero, 1=cal Internal Span Valve 0=closed, 1=open...
  • Page 130 Serinus 40 User Manual 2.2 Description Notes Analogue Input 4 Flow block pressure Analogue Input 5 Cell pressure Analogue Input 6 Ambient pressure Analogue Input 7 Raw ADC calibration input Analogue Input 8 MFC1 not used Analogue Input 9 Concentration data...
  • Page 131 Description Notes Flow Temperature Lamp Current Digital Supply Voltage Digital supply voltage (should always read close to 5 volts) Concentration Voltage PMT High Voltage High voltage reading for PMT Ozonator Status 0=off, 1=on Control Loop Diagnostic Mode Gas Flow Gas Pressure Ambient Pressure 12V Supply Voltage The 12 volt power supply voltage...
  • Page 132 Serinus 40 User Manual 2.2 Description Notes Output Type Gas 1 1=voltage 0=current Output Type Gas 2 1=voltage 0=current Output Type Gas 3 1=voltage 0=current Voltage Offset /Current Range Gas 1 0=0% or 0-20mA 1=5% or 2-20mA 2=10% or 4-20mA...
  • Page 133 Description Notes Sample Fill Time In seconds Sample Measure Time In seconds Aux Measure Time In seconds Aux Sample Fill Time In seconds Background Fill Time In seconds Zero Fill Time In seconds Zero Measure Time In seconds Span Fill Time In seconds Span Measure Time In seconds...
  • Page 134 Serinus 40 User Manual 2.2 Description Notes PTF Gain 1 Pressure temperature flow compensation factor for second gas in dual gas analysers Inst. Cell Pressure Instantaneous cell pressure Manifold Pressure Valve manifold pressure Cell Gas 1 Pressure Cell pressure for Gas 1...
  • Page 135 Description Notes Background Interval 0="24 hrs" 1="12 hrs" 2="8 hrs" 3="6 hrs" 4="4 hrs" 5="2 hrs" 6="disable" Service Baud 0="1200 bps" 1="2400 bps" 2="4800 bps" 3="9600 bps" 4="14400 bps" 5="19200 bps" 6="38400 bps" Multi-Drop Baud 0="1200 bps" 1="2400 bps" 2="4800 bps” 3="9600 bps"...
  • Page 136 Serinus 40 User Manual 2.2 Description Notes PMT HV Ctrl Pot PMT high voltage controller pot PMT Test Led Pot PMT test LED intensity controller pot Last Power Failure Time Time stamp of the Last power fail (4 byte time stamp) Bit 31:26 ---- Year (0 –...
  • Page 137 Description Notes Traffic Light 0=illegal value 1=Green 2=Amber 3=Flashing Red Network Protocol Gas 4 Offset IZS Pot IZS Pot Setting IZS Lamp Current Advanced Protocol Parameter List Page 137...
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  • Page 139: Appendix B. Ec9800 Protocol

    Appendix B. EC9800 Protocol The following commands are supported: DCONC Function: Sends the current instantaneous concentration data to the serial port Format: DCONC {<DEVICE I.D.>} {TERMINATOR} Device response: {GAS}<SPACE>{STATUS WORD}<CR><LF> All numbers are in floating point format. The STATUS WORD indicates the instrument status in hex using the following format: Bit 15 = SYSFAIL (MSB)
  • Page 140 Serinus 40 User Manual 2.2 ABORT Function: Commands the addressed device to abort the current mode and return to the measure mode Format: ABORT {<DEVICE I.D.>} {TERMINATOR} Device response: <ACK> if the unit under test is able to perform the command, <NAK> if...

  • Page 141: Appendix C. Bavarian Protocol

    Appendix C. Bavarian Protocol All Bavarian Network commands follow the command format as specified in this section. Bavarian Network Command Format <STX><text><ETX>< bcc1><bcc2> Where: <STX> = ASCII start of transmission = 0x02 hex <text> = ASCII text maximum length of 120 characters <ETX>...

  • Page 142: Table 14 - Block Check Operation

    Serinus 40 User Manual 2.2 The binary value 0011 1010 corresponds to the hex value 3A. This value in ASCII forms the last two characters of the data request message. Please note that the I.D. of 97 is sent as the sequence 097.

  • Page 143: Table 15 - Bavarian Protocol Commands

    Supported Commands The command set supported by the Bavarian protocol is: Table 15 – Bavarian protocol commands Command Effect DA<id> Returns gas concentration Returns gas concentration w/o ID ST<id> M Enter Measure mode ST<id> N Enter Zero mode ST<id> K Enter Span mode ST<id>...

  • Page 144: Table 16 - Bit Map

    Serinus 40 User Manual 2.2 <SP><ETC><bcc1><bcc2> Where: <SP> = space (0x20 hex) kkk = device’s multi-drop ID. If the DA command is issued without an ID, then the response omits this field. Exception: the S40 family always includes both ID fields, even when a DA command without an ID is issued.
  • Page 145 mmm = no instrument ID +pppp+ee = NOx gas concentration (unless the NO option was selected in the Serial Communications Menu, in which case it is NO bcc1 = first byte of the block check calculation bcc2 = second byte of the block check calculation Set the instrument mode.
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  • Page 147: Appendix D. Modbus Protocol

    Appendix D. Modbus Protocol The Serinus supports a limited Modbus implementation. The only function codes supported are 3 (Read holding register) and 16 (Write multiple registers). Read Holding Register You must specify a slave address for Serial requests (but not for TCP requests). This value is the Serinus’...
  • Page 148 Serinus 40 User Manual 2.2 1492 Ferntree Gully Road, Knoxfield VIC Australia 3180 Phone: +61 (0)3 9730 7800 Fax: +61 (0)3 9730 7899 General email: info@ecotech.com International support: intsupport@ecotech.com www.ecotech.com Page 148...

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