Ozone Process Gas Analyzer
Contents
1. T 4 Lee II 89 e eee Walid After validation of the PIN code confirmation the instrument confirms whether the new PIN code has been saved or rejected Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 17 T 41 22 884 83 06 4122 794 66 65 info dextens ch www dextens ch Dexfens USER In case you forgot your PIN code Dextens provides a small software tool working on any personal computer with windows XP which lets you restore the factory default PIN code 2 4 3 Sensor ID This function shows the sensor manufacturing and calibration information for a short time then it returns to the measurement screen The information provided on the screen are Sensor Sensor serial number Manu Manufacturing date Calib Date of the last calibration Memb Type ofthe used membrane If you have questions about a specific sensor please copy the information on this screen It will greatly ease the communication with your local distributor 2 4 4 Device ID This function shows the instrument manufacturing information for a short time then it returns to the measurement screen The information provided on the screen are Model Instrument model identification SN Instrument serial number Manu Manufacturing date Soft Software revision If you have questions about a specific instrument please copy the information on this screen It will great2. 2 5 3 1 Alarms The process instruments have 2 alarm relays They can be used to signal unexpected Ozone concentration values It is important to note that these relays are low power switches and can only be used to report an alarm Never use them to switch pumps valves or other electro mechanical devices 2 5 3 1 1 Show Settings This function displays the current alarm settings 2 5 3 1 2 Disable Alarms This function forbids the instrument to generate any kind of alarms It is the factory default 2 5 3 1 3 High Low Mode This function configures the instrument to generate an alarm when the Ozone concentration is too low or too high The user is prompted to select the lower min and the upper max bound Please look at the truth table below Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 20 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens O3 lt min and O3 lt max Closed Open gt min lt gt min and gt Where a closed relay signal alarm other words a closed relay lets the electricity go through it 2 5 3 1 4 High HighHigh Mode This function configures the instrument to generate an alarm when the Ozone concentration is above a first limit and generate another alarm when the Ozone limit is above the second limit This mode can be used to generate a warning when Ozone increases and an alarm when the
3. Windows will show you that new hardware has been detected and it will install automatically the standard driver You do not have anything to do for it 3 4 2 Program distribution and installation These tools are distributed to the end user or local distributors by e mail or on a CD shipped with the instruments They are packaged as a set of small programs especially designed to work as is They do not need to be installed on the computer thus making your life easier To use these tools on a regular basis we recommend creating a directory the computer s hard disk Then copy all the programs in there and finally create shortcuts on your desktop to access them quickly 3 4 3 Restoring PIN Code The program called returns the instrument s PIN code to the factory default setting 987654 To do that just start the program and follow the instruction given on the 5 screen 3 4 4 Reading Data Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 28 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens The program called usr_read_data exe lets you save the data saved in the instrument in you personal computer The resulting file can be imported in spreadsheet programs like Excel When you start please follow the instruction given on the computer s screen At one time in the wizard you will be prompted to enter the name for the targe
4. year return 2 MM DD YY American date format month day year 3 YY MM DD 150 date format year month day Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 19 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 2 5 2 Thermal Cutoff This menu lets you select whether the thermal cutoff is enabled or not and select the cutoff temperature TO st HE _ d return Select Thermal cutoff is an important feature because it increases time between maintenances When enabled the thermal cutoff function switches off the sensor polarization when the measured temperature rises above a fixed limit Its main purpose is to prevent the sensor from measuring during the Clean In Place CIP or Sterilize In Place SIP phases and Ozone monitoring is not useful To avoid oscillation on the polarization the thermal cutoff has a hysteresis It means that the instrument switches off the polarization when the temperature is higher than a specified value and only switches on when the temperature drops below the specified value minus 2 5 C user inet Let mal UL LO When the user decides to enable the thermal cutoff he will be prompted to enter the requested cutoff temperature The factory default is 45 C 2 5 3 Outputs Process only This sub menu is only available on the process wall mount instruments
5. 65 Stainless steel Dimension WxHxD 160 x 200 x 94mm 28kg 0 Weight 2 8 kg Logging 255 measurement points Date and time stamp Ozone and sample temperature Atmospheric pressure Logging can be manual or periodic Supported membranes 82952 and 82956 125VDC 30W 1A Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 30 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch
6. done with this instrument 2 5 7 2 Disable The sensor checking is disabled When the instrument can not read the tag it will automatically use the last calibration done without any question to the user 2 6 Calibration Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 23 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dextens This paragraph explains the content of the calibration menu and how the user should proceed to get a good calibration The Dextens sensors are sold pre calibrated and there should be no need to calibrate them between services As our sensor have an integrated memory it is also possible to calibrate a sensor on one instrument in your laboratory and then place it in line on another instrument without needing to re calibrate it When entering the calibration menu the user has to walk through all sub menus to select the application specific parameters 2 6 1 Calibration Method The instrument provides two ways for a single point calibration This sub menu lets you select the one you need 1 In air This is the preferred method It lets you calibrate the sensor accurately in water saturated air The main advantage of this method is that it does not need any calibrated reference gas 2 Direct This method can be used when removing the sensor from the monitored medium is not possible When selecting this kind of calibration The user must provide the expected concentrat
7. position Repeat that procedure until you reach the right most position Now pressing once more the right soft key will validate the input Take a look to the sequence below that shows how to change the system date and time Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 13 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 2 3 Menu Organization The following diagrams show how the functions are organized in the menus Main Menu Calibration Identification Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland T 41 22 884 8306 41 22 794 66 65 info dextens ch www dextens ch 14 Dexfens Settings Menu Ge EEN Power saving Ir ken CO2 insensitive Callb method 82952 82956 Calibration Dextens SA 18 Chemin des Aulx
8. to the bottom left screen corner Contextual key It is related to the bottom right screen corner Up key Down key ON OFF button Press it about 2seconds to switch on and off the instrument Mechanical switch This switch cuts the main power from the instrument 1 2 4 5 6 2 2 Quick start After installing the instrument and sensors as described in the previous chapter Press for more than two seconds the On button to switch on the instrument The startup sequence is described in the following lines The first operation done by the instrument is to initialize the software and proceed with some hardware test and configuration During this phase the screen displays a Dextens Logo Shortly after starting the display shows the device device information manufacturing information e Model Instrument model identification e SN Instrument serial number e Manu Manufacturing date Soft Software revision These are useful when you need information from Dextens and must be included in all your communications Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 10 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens It continues with the information about the connected sensor e Sensor Sensor serial number e Manu Manufacturing date Calib Date of the last calibration e Memb Type of the used membrane In case no sensor has bee
9. 1218 Plan les Ouates Switzerland 15 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Pry Enter PIN Modify PIN Pr Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch 16 Dexfens 2 4 Identification The identification menu groups the function related to the user sensor and instrument identification 2 4 1 Enter PIN To secure the use of the instrument some functions settings and calibration are enabled only if the user enters a secret code also called PIN code The purpose of this menu item is to let the user enter its PIN code to unlock the restricted functions of the instrument Once the PIN code is entered it will remain valid for 10 minutes After that delay the user needs to enter again the PIN code WS 1 dl em e L La La Frei Walid All instrument shipped by Dextens have the same default PIN code 000000 2 4 2 Modify PIN This is a restricted function To unlock it the user needs to enter the current PIN code cf 2 4 1 To make sure the entered value is the expected one the instrument asks the user to enter the new PIN code twice Of course the two values must be equal to save the new PIN code The picture shows you the complete input sequence Ze 8 by A inPut LT i UL
10. ONNECTION 27 3 4 USING THE PROGRAMS 28 4 TECHNICAL GbECIEICATIONSGS see KEEN ENKEN ENNEN EN ENKEN KEEN ENER EEN EN ENKEN EN ENNEN EK 30 Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 3 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens 1 Process gas analyzer Installation 1 1 Content of the Package When ordering a 63101 process gas analyzer you receive the following items 1 The process ozone analyzer 2 The wall mount support plate 3 The user manual 1 2 Accessories There are no dedicated accessories for the wall mount Ozone analyzer Please take a look at the 53101 sensor manual for the flow chambers pipe adapters and other sensor related accessories Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 4 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dextens 1 3 Installation 65 00 Instrument and wall mount plate dimensions mm The process ozone analyzer is intended to be mounted on a wall using the wall mount support plate Please have a look on the drawing below for the dimensions and the holes position The instrument has a clip on its back panel which will slide over the wall mount support plate Take in account that a minimum clearance of 230mm to the left is required to completely open the panel Also keep in mind that you will need a c
11. Ozone Process Gas Analyzer Series 63101 Operating Manual Dextens Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland T 41 22 884 83 06 4122 794 66 65 info dextens ch www dextens ch Dexfens Disclaimer Please read and understand the user manual before installing and using the products described herein It is also recommended to follow the safety recommendations from this manual The material in this manual is for informational purposes only The products it describes are subject to change without prior notice due to the manufacturer s continuous development program Dextens SA makes no representations or warranties with respect to this manual or with respect to the products described herein Dextens SA shall not be liable for any damages losses costs or expenses direct indirect or incidental consequential or special arising out of or related to the use of this material or the products described herein All rights reserved No part of this manual may be used or reproduced in any form or by any means without prior written permission of Dextens SA Symbols and conventions The danger sign indicates actions or configurations that may be dangerous for the user or that may lead to wrong measurements Read and understand these paragraphs before starting to use the described material CE conformity The Series 6X101 instruments are manufactured conforming to the requirements of the electromag
12. Ozone is too high The user is prompted to select the warning min and the alarm max levels Look at the truth table below Relay 1 Relay 2 lt min and lt gt min and lt max Open gt min and gt max 2 5 3 2 Analog Outputs The process instruments have 2 analog current outputs They are used to transmit the Ozone concentration and the temperature to a control center The Ozone output range is user configurable and the temperature output is fixed 5 C 100 C 2 5 3 2 1 Show Settings This function displays the analog output settings 2 5 3 2 2 Standard Settings This function selects the factory default settings 300ppb for the Ozone concentration output 2 5 3 2 3 User Settings This function lets the user select the range of interest for the analog output He will be prompted to enter the lowest and the greatest Ozone value 2 5 3 2 4 Configuration This function let the user select the current output boundaries to suite the plant standard It is possible to switch between the following choices 1 4 20 This is the most common choice and the factory default 2 0 20 Another choice 3 5 25mA May be useful for a few places Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 21 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens 2 5 3 3 RS 232 RS 485 The process instrument as a digital o
13. compute this value the instrument uses a measure of the atmospheric pressure Therefore this display unit is only valid if the measured medium is at atmospheric pressure 4 kPa This is used for gaseous measurements The displayed value is the partial pressure of Ozone in the measured medium This display unit is well suited for measures in gas at variables pressures 2 5 1 2 Temperature This menu lets the user change the display unit for the temperature The instrument has two choices 1 C Shows the temperature in Celsius degrees 2 F Shows the temperature in Fahrenheit degrees return This measurement is also used internally for compensating the effect of the temperature on the membrane and on the tested medium To get the best accuracy and time response the temperature sensor has been placed as near as possible from the membrane inside of the Ozone sensor Nevertheless depending on your application liquid or gas flow rate it may take a little time to the temperature to stabilize 2 5 1 3 Date Format This menu item lets the user select his preferred date format This pa ma 7 choice only modifies the date display format in the title bar and when displaying the stored measurements But it has no effect on hel mmm ele the date and time input cf 2 5 6 There are 3 choices pf dd vd reach e D pm Eu db rormat 1 DD MM YY European date format day month
14. e it is an absolute pressure and not a value reported to the sea level pressure In the latter case use the following formula to compute an approximated value P P 0 11 H Where e Paps the absolute pressure Pea the value reported to the sea level altitude in meter of your location Please note that it is not useful to calibrate the pressure sensor more than once a year Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 22 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens 2 5 6 Set Date and Time The user can set the system date and time with this menu J 4 pr m set date and Lime ILlMUTE 2 5 7 Sensor Check By default the instrument checks that the connected sensor has a valid tag This ensures that the measurement shown on the instrument screen uses the right sensor calibration value The drawback of this approach is when you want to use the instrument with sensors without tag sensors from competitors you will need to calibrate the sensor every time the instrument is restarted To resolve this problem the customer can switch off the sensor check at startup Doing so the customer has to make sure the sensor has been calibrated on the same Ozone analyzer 2 5 7 1 Enable The sensor checking is enabled In case the instrument can not read the tag he will prompt the user for calibrating the sensor or use the last calibration
15. he following requirements A working computer with Windows XP or Windows 2000 A process Ozone analyzer A standard USB cable if you are using a process analyzer A docking station if you are using a portable analyzer It is important to note that the user tools probably work well on other version of the windows operating system but they were not tested and therefore we recommend using only the two officially supported versions 3 3 Instrument Connection The process instrument is also simple to connect but it requires opening the instrument s front panel Unplug the instrument from main power switch it off using the mechanical switch on the front panel Open the front door Then unscrew and open the front panel Connect the square USB connector on the printed circuit board The image shows you where the connector is located USB Connector Connect the flat USB connector on a spare Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 27 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens plug in your personal computer Switch on the instrument using the mechanical switch and then the touch button 3 4 Using the Programs 3 4 1 Driver Installation To avoid the need to install drivers on your computer we based the communication with the instruments on a standard transport protocol This means that the first time you connect an Ozone analyzer to a computer
16. ion of the medium Note that doing direct calibration in a low concentration reference medium will reduce the accuracy of the measurement Thus we strongly discourage the calibration with concentration below 0 1PPM dissolved 2 6 2 Start Calibration When selecting this item the instrument starts its calibration procedure using the previously defined parameters 1 Screen Title 2 Sensor efficiency This value shows the percentage of generated current compared to a standard value 3 Membrane type not valid for O3 4 CO2 insensitivity flag not used for 5 Left soft key to abort the current calibration Nothing will be saved 6 Right soft key to valid the current calibration That key will be activated after 5 seconds and it is up to the user to wait enough time for stabilization of the calibration 2 7 Storage Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 24 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dextens The user has the possibility to store up to 255 measurements the instrument s memory It can be done either manually or automatically In the manual mode the main screen shows in the lower left corner the Store xxx label Pressing the left contextual key saves the current measure In the automatic mode the instrument saves the measurements periodically The left contextual key becomes inactive and the lower left corner shows Log xxx 2 7 1 Sho
17. learance of 120mm to the bottom for the electrical connections 1 4 Sensor Connection There are the wiring details They are given for information purpose only Lemo10 pin Sensor signal f Guard ring electrode Eee EEE One Wire ground 9 Cathode working electrode 1 5 Power Input connection The installation of the power input requires the intervention of qualified and authorized personnel for electric installations Before connecting the instrument to the mains make sure that the instrument has been configured for your local supply 230VAC or 115VAC Check the sticker on the back panel for the right voltage Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 5 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens The power cable must have 3 wires minimum section 0 75 each with a double insulation for the phase neutral and protective earth They must be connected to the provided internal plug as shown in the picture bellow GT 1 COL SOP JSUSTOHIS I I Live Neutral Earth Power connector wiring and location on the main board 1 5 1 Cable fixation The power input cable is fixed to the instrument using strain relief bushings It uses a M16 cable gland for diameter from 6mm to 10 5mm Follow the instructions for the cable installation 1 Strip off 60mm of the external insulation Fig 1 2 Strip off 5mm of the 3 cables insulatio
18. ly ease the communication with your local distributor 2 5 Settings The access to this menu is protected by the PIN code This means that the menu will appear only after a valid PIN code has been entered 2 5 1 Display Units This sub menu lets you customize the display units for the Ozone concentration the temperature and the date Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 18 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 2 5 1 1 Concentration This menu lets the user change the display unit for the Ozone concentration In all cases the instrument measures partial pressure of Ozone in the tested medium That partial pressure is then converted in the requested unit The instrument has four possible choices SH return 1 PPM This unit is used for dissolved measurements It displays ratio between number of Ozone molecules and the number of water molecules It is well suited to measure the Ozone concentration in beverages water in power plant and ultra pure water 2 mg l This unit is used for dissolved measurements It displays the weight of the Ozone dissolved in 1 liter of liquid It is well suited to measure the Ozone concentration in beverages water in power plant and ultra pure water 3 This is used for gaseous measurements The displayed value is the ratio between the number of Ozone molecules and the number of gas molecules To
19. metal washer position 3 1 7 The Serial Outputs For instrument to PC connections of 12 meters or less the RS 232 output can be used Dextens supplies a 3 meters cable for instrument to PC connection with a LEMO 4 plug on one end and a standard DB 9 plug on the other Connect the LEMO 4 plug from this cable to the instrument and the 9 pin plug to a serial port on your PC If your PC only has a 25 pin serial port connector you will need a 25 to 9 pin adapter beren CO aa O O Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 7 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 1 8 The Alarm Outputs The instrument provides 2 low power alarm relays each relay has a normally open NO and a normally closed NC switches and both relays have a common point look at the schematic below EWL wor common High NO High NC Alarm output connector wiring and location on the main board The connector wiring is shown in the picture below Take the same precautions as for the power connector wiring to ensure the enclosure tightness The LOW relay is either used to signal that the ozone concentration is below the lower limit in High Low mode cf 2 5 3 1 3 for configuration or that the Ozone concentration is above the lower limit in High HighHigh mode cf 2 5 3 1 4 for configuration The HIGH relay is used to signal that
20. n connected or when the connected sensor has no tag also called 1 wire EEPROM the mentioned information are not available and it requires a calibration before entering the measurement screen Finally the instrument enters the measurement mode and will show the Ozone concentration and the sensor temperature Once you finished using the instrument press for about 2 seconds the power button to switch off the instrument 2 2 1 Measurement screen The picture below shows you a typical measurement screen with explanations about the different area in the screen Date and time indication Battery gauge portable only Ozone concentration Ozone concentration unit Temperature Temperature unit Data storage or logging indication Menu soft key When the sensor is disconnected the display line 3 5 are both filled with dashes When the temperature is too high and the thermal cutoff is enabled the display line 3 contains dashes but the temperature is still displayed Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 14 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 2 2 2 Menu screen The picture below shows you the first menu screen with explanations about the different area in the screen Date and time indication Battery gauge portable only Menu title Menu items navigation slider Function attached to the left soft key Exit menu or
21. netic compatibility directive 89 336 CEE and the low voltage directive 73 23 CEE Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 2 T 41 22 884 83 06 F 4122 794 66 65 info dextens ch www dextens ch Dexfens Table of Content 1 PROCESS GAS ANALYZER INSTALLATION ann nun nun nun nun nun nun nun nun nun nun nun nun nun 4 1 1 CONTENT OF THE PACKAGE EE A 1 2 912121 19 4 1 3 INSTALLATION EE 5 1 4 SENSOR CONNECTION 5 1 5 POWER INPUT CONNECTION 5 1 6 THE CURRENT OUTPUTS wwcerindranacddunavedanscuraddeanmietancwemacdtewarevaweluenesdieenevebeudaewecdosmeaiaddummaiadanaeahnsetmcanenamocanas 7 1 7 THE SERIAL OUTPUTS 7 1 8 THE ALARM OUTBUTS 8 1 9 USB COMPUTER CONNECTION 9 2 INSTRUMENT OPERA LEHNEN Eeer 10 2 1 PROCESS FRONT PANEL ccccscececececececcccccccccacecacacaeneneceaeceaeeaeaeauaeaenenenenenenenenenenenetetecenenenenenenenenenens 10 2 2 START EEN 10 2 3 14 2 4 IDENTIFICATION cccccccccccccccecececececececececucucucucueccucucucueueecauaucuauuauaeauaeateteeauauecuauaeauaeneaenenenenenenenenenenenes 17 2 5 IN EEN 18 2 6 CALIBRATION EE 23 2 CH te EE 24 3 DATA CONNECTION BE 27 3 1 GENERAL INFORMATION ses aussah 27 3 2 27 3 3 INSTRUMENT C
22. ns 3 Unscrew the cable gland nut remove the rubber gasket position 2 and the metal washer position 3 Pass the cable through the nut the gasket and the washer Insert the cable in the bushing Push the seal inside the gland Screw the gland to tighten cable passage 3 Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 6 T 41 22 884 83 06 4122 794 66 65 info dextens ch www dextens ch Dexfens 1 6 The Current Outputs The instrument provides 2 analog current outputs The first one is representing the gas concentration in the configured units and range cf 2 5 3 2 for the software configuration and the second one gives the temperature of the sensor The temperature output has a fixed range the 0 current is obtained for 5 C 23 F or 268 15K and below At the other end the full range current is obtained for 100 C 212 F or 373 15K and above The connection and the wiring indications are represented in the picture below Out temp Out gas Out temp Analog output connector wiring and location on the main board 1 6 1 Cable fixation The current output cable is fixed to the instrument using EMC the cable shield can be connected to the instrument s box strain relief bushings It uses a M16 cable gland for diameter from 6mm to 10 5mm The installation s instructions are the same as in paragraph 1 5 1 excepted for the shield that must be bend over the
23. return to previous menu Function attached to the right soft key Enter sub menu or execute item a When you are in the measurement screen press the right contextual key to open the main menu There are four sub menus but only two of them are activated by default The other two items are activated after the PIN code has been entered Please refer to Chapter 2 3 for the detailed menu structure and in the following paragraphs which are related to a specific menu or sub menus Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 12 T 41 22 884 8306 41 22 794 66 65 info dextens ch www dextens ch Dexfens 2 2 3 User Input Before being able to get the full power of this instrument the user must understand how he can enter information in the instrument The picture here under shows you a typical input screen and explains what the different areas are Input title Input help or indication The part of the input that is being modified Function attached to the left soft key Select previous digit or cancel the input Function attached to the right soft key Select next digit or validate the input ee When you first enter an input screen the cursor highlights the left most digit or part of the input At this time pressing the left soft key cancel the input You can use the UP and DOWN arrows to modify its value Once the digit has the expected value press the right soft key to move the cursor to the next
24. t file Select carefully the destination on the hard disk to make sure you will find the file later The easiest way to do that is to press the button which will open file selector 3 4 5 Updating firmware The program called usr_update_xyy exe will update the instrument s firmware to version As this program modifies the instrument s internals it might be dangerous if not targeted to the right instrument Therefore read carefully the instruction in this manual and on the computer screen This program is available only on request and to avoid manipulation errors it should be deleted after use 3 4 5 1 Feedback During the execution the program generates a configuration file 5 where xxxx is the serial number and manufacturing el N date of the instrument as shown in the picture below It is very 265 important to us that you send back this file It proves that the 511 0082 02 04 Usr_posu exe updating program behaved well and gives us important information about the instrument version and calibration data Thanks in advance 11 0 5 sd d marrer Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 29 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 4 TECHNICAL SPECIFICATIONS Power 230 10 50Hz or 150410 VAC 60Hz Depending on the option Operating Limits to 40 32 F to 140 F IP
25. the Ozone concentration is above the upper limit in both working modes The following table lists the alarm condition signaled by the instrument Condition SC COM aa COM Se COM Power alarm Low alarm E ensor not connected Gar Eer a Relay is open hh Relay is closed 1 8 1 Cable fixation The alarm output cable is fixed to the instrument using EMC the cable shield can be connected to the instrument s box strain relief bushings It uses a M16 cable gland for diameter from 6mm to 8mm The installation s instructions are the same as in paragraph 1 5 1 excepted for the shield that must be bend over the metal washer position 3 Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 8 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 1 9 USB Computer Connection The connection to a computer through the USB is done with a standard USB A B cable To access the USB port open the instrument s door Unlock the keyboard and plug the square side ofthe USB cable Take a look on the picture to get the details USB Connector Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland T 41 22 884 8306 41 22 794 66 65 info dextens ch www dextens ch Dextfens 2 Instrument Operation 2 1 Process Front panel v Graphical LCD display Contextual key It is related
26. utput which sends every second all the measurements on its serial port The data fields are separated by tabulation and the field order is Ozone concentration Ozone unit Temperature Atmospheric pressure Alarm 0 flag a when alarm 0 is active when inactive Alarm 1 flag when alarm 1 is active when inactive No sensor flag 5 when alarm 0 is active when inactive Thermal cutoff flag t when alarm 0 is active when inactive oT Soe aS NS With this menu the user can select the output bit rate Choices are 9600 bauds 19200 bauds 38400 bauds 57600 bauds 115200 bauds tS 2 5 4 Diagnostic This menu groups in one screen all the measurements done by the instrument It is useful to diagnose some sensor problems The 4 SS available information are D pp ne w s UR L Ozone concentration and its unit e WA Sensor current in micro ampere SAS The sensor temperature measurement and its unit The atmospheric pressure in milli bar The measurement range 0 to 3 2 5 5 Calibrate Pressure This function lets the user calibrate the barometric pressure sensor that is used for the in air sensor calibration cf 82 6 1 and for the gaseous display unit in percent cf 82 5 1 1 The user is prompted to enter the absolute atmospheric pressure for its location If you get this information from a weather forecast internet site make sur
27. w Memory Current sample Total number of samples Date and time stamp Sample s Ozone concentration and measurement unit Sample s temperature measurement Leave the measurements eS The navigation from one point to another point is done with the up and down keys 2 7 2 Manual Storage This menu point selects the manual storage mode 2 7 3 Automatic Storage This menu point opens a sub menu with the choices of storage period from 15 s to 60 min 2 4 Clear Memory This menu point is only visible after a PIN code has been entered It let the user clear all measurements from the instrument memory o Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 25 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens ke e Un JI a Ve EU pa db o et Le 1 I Gr Dextens SA 18 Chemin des Aulx 1218 Plan les Ouates Switzerland 26 T 41 22 884 8306 4122 794 66 65 info dextens ch www dextens ch Dexfens 3 Data connection 3 1 General Information Dextens provides some programs that work on standard desktop or laptops computers They can be used by the end users and the agents to get access to some of the instrument s functionalities through the external USB connection In the following part of this chapter theses programs will be called the user tools 3 2 Requirements Before you can start using the user tools please check that you meet all t
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