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Model 106-L Ozone Monitor Manual Rev. E

Figure 3. OEM Version of the Model 106-L/M.

Optical Bench

12 V Power In

USB Connector

Power
Switch

Serial Port/
Analog Out

Relay Connector

Air Inlet

Air Pump

Ozone Scrubber
(measurement)

Clock Battery

Select Switch

LCD

Solenoid Valve

DewLine

Microprocessor

Grounding
Connector

Pressure Sensor

Temperature
Connector

Lamp
Connector

5-V Regulator/
Cell Heater
Connector

External Power
Switch Connector

Lamp Glow

Programming
Switch

Flow Meter

Status Lights

Calibration
Sticker

Scrubber Filter

Содержание Ozone Monitor 106-L

Страница 1: ...tor Manual Rev E i Ozone Monitor 2B Technologies Inc OPERATION MANUAL Models 106 L and 106 OEM L Copyright 2010 2B Technologies Inc All rights reserved 中国总代理 Nano电子商城 Tel 4006609565 E mail 19mro 19mro com http www 19mro com ...

Страница 2: ...iii PRINTING HISTORY iv WARRANTY STATEMENT v WARNINGS vi OZONE MONITOR INTRODUCTION 1 SPECIFICATIONS 4 OPERATION 5 MENU 9 MAINTENANCE TROUBLESHOOTING 21 CALIBRATION 26 LABELLED PARTS 32 PARTS LIST 34 SERVICE LOG 35 APPENDIX A USB INSTALLATION 37 APPENDIX B USING THE USB CONNECTION 40 ...

Страница 3: ...Manual Rev E iii IDENTIFICATION RECORDS Record the following information for future reference Unit serial number ______________________________________ Warranty start date _______________________________________ date of receipt ...

Страница 4: ...0 Revision E September 2010 TRADEMARKS PATENTS 2B Technologies 2B Tech 2B and Ozone Monitor are trademarks of 2B Technologies Inc CONFIDENTIALITY The information contained in this manual may be confidential and proprietary and is the property of 2B Technologies Inc Information disclosed herein shall not be used to manufacture construct or otherwise reproduce the goods disclosed herein The informat...

Страница 5: ...at 2B Tech will be alerted of your problem and be able to respond When you receive an email reply please click on the Ticket link provided to continue to communicate with us directly over the internet The web ticket approach to customer service allows us to better track your problem and be certain that you get a timely response We at 2B Tech pride ourselves on the excellent customer service we pro...

Страница 6: ...er than 2B Technologies will void this warranty Limitation of Remedies and Liability The remedies provided herein are the Customer s sole and exclusive remedies In no event shall 2B Technologies be liable for direct indirect special incidental or consequential damages including loss of profits whether based on contract tort or any other legal theory The Ozone Monitor manual is believed to be accur...

Страница 7: ...suivant les instructions de 2B Technologies Inc USA les dispositions de sécurité de l appareil ne sont plus valables DEUTSCH WARNHINWEIS Vor dem Öffnen des Gerätes Netzstecker ziehen WARNHINWEIS Dieses auf dem Gerät weist darauf hin dab der Anwender zuerst das entsprechende Kapitel in der Bedienungsanleitung lesen sollte WARNHINWEIS Wenn das Gerät nicht wie durch die Firma 2B Technologies Inc USA ...

Страница 8: ...recommended Theory of Operation Absorption of UV light has long been used for measurements of atmospheric ozone with high precision and accuracy The ozone molecule has an absorption maximum at 254 nm coincident with the principal emission wavelength of a low pressure mercury lamp Fortunately few molecules found at significant concentrations in the atmosphere absorb at this wavelength However inter...

Страница 9: ... length 14 cm and is the absorption cross section for ozone at 254 nm 1 15 x 10 17 cm2 molecule 1 or 308 atm 1 cm 1 which is known with an accuracy of approximately 1 The 2B Technologies instrument uses the same absorption cross section extinction coefficient as used in other commercial instruments Air Pump Photodiode Hg Lamp Absorption Cell Pressure Sensor Temperature Sensor Solenoid Valve Ozone ...

Страница 10: ...e the calibration parameters from the front panel if desired It is recommended that the instrument be recalibrated at least once every year and preferably more frequently The offset may drift due to temperature change or chemical contamination of the absorption cell As discussed below an accurate offset correction can be measured from time to time using the external ozone scrubber supplied with th...

Страница 11: ...minally 500 mA at 12 V 6 0 watt Dimensions with case 3 75 x 8 5 x 8 5 9 5 x 21 6 x 21 6 cm Dimensions OEM version 2 5 x 7 x 9 6 4 x 17 8 x 22 9 cm Weight with case 4 2 lb 1 9 kg Weight OEM version 2 7 lb 1 2 kg Precision greater of 2 ppb or 2 of measurement Accuracy greater of 2 ppb or 2 of measurement ...

Страница 12: ...t cable 6 USB cable 7 Relay screw connector 8 Zeroing cartridge 9 CD with Operation Manual 2B Display Software and USB Driver 10 Ozone Monitor birth certificate inside binder 11 Quality control data sheet and graph inside binder If anything is missing or obviously damaged contact 2B Technologies immediately Operation of the Ozone Monitor To operate the Ozone Monitor connect it to an external power...

Страница 13: ...mp photodiode and internal temperature of the absorption cell to stabilize Inlet tubing may be attached to the inch nylon Swagelok fitting on the back of the instrument The inlet tubing should be made of PTFE Teflon PFA FEP PVDF or some other inert material that does not destroy ozone and that does not desorb plasticizers and other organics that can contaminate the flow path The length of tubing s...

Страница 14: ...minal emulation software such as HyperTerminal a program provided with Windows or Tera Term Pro may be used as well The ozone mixing ratio internal cell temperature cell pressure time and date are sent as comma delimited ASCII text to the serial and USB ports 2400 4800 or 19200 baud as selected in menu 8 bits no parity 1 stop bit every ten seconds 1 minute 5 minutes or 1 hour depending on the aver...

Страница 15: ...ion to data lines messages are written to the serial port when logging is begun or ended when transmission of data from the logger is begun and ended when data collection is interrupted e g due to a power failure and when the averaging time is changed ...

Страница 16: ...al Rev E 9 Menu The following diagram summarizes the complete instrument Menu Main Menu Dat Avg Cfg Lmp 1h 10s 5m Log End Xmt D T Cal I O Unt D T 10 32 21 14 10 2009 Fm O3 Bdr Ext Hrs T P Cfg REL V_OUT 1m O3 Figure 2 Instrument Menu ...

Страница 17: ...nt panel of the instrument To reach the menu hold in the Select button until Menu is displayed then release the Select button After a few seconds the menu will appear Menu Dat Avg Cfg Lmp where Dat Avg Cfg and Lmp are submenus that may be selected A blinking cursor will show across the D of the Dat submenu The Select button may be rotated clockwise or counterclockwise to move the cursor under the ...

Страница 18: ...7 mbar If 10 second averaging no averaging has been selected five seconds later this display might be followed by O3 2 2 ppb 19 55 05 02 2010 showing that the time of the measurement is 7 55 pm and the date is 2 May 2010 If averaging has been selected the above display will be replaced by Avg O3 24 1 ppb 19 55 05 02 2010 for example where the most recent average value of ozone computed is 24 1 ppb...

Страница 19: ...d data will reside in memory even when new measurements are being made and can be transmitted using the Xmt function as often as you like However all stored data are lost once logging is started again using the Log function Thus you should always transmit your data to a computer before restarting logging If you fail to End logging prior to transmitting the data using the Xmt function the instrumen...

Страница 20: ...are chosen baud rate 2400 4800 or 19200 8 bits no parity 1 stop bit Click the Select button to obtain the Main Menu Go to the Dat submenu by clicking on Dat Next click on Xmt The message Logged Data will be written to the serial port followed by a carriage return and all of the lines of logged data After all data are transmitted the message End of Logged Data and a carriage return are written Afte...

Страница 21: ...zone Calibration Source or with the readout from another instrument whose calibration is considered to be accurate To change the calibration parameters choose the Cfg submenu from the main Menu and click on Cal to obtain the display Cal Menu Fm O3 Click on the Fm submenu to display the calibration factor for the internal flow meter Fm Cal Menu Fm 0 92 This is a multiplicative factor that will incr...

Страница 22: ... set to 3 during the measurements change Z to 1 For more details about calibrating the ozone monitor against another instrument or calibrated ozone source see the Calibration section starting on page 26 of this manual or refer to Tech Note No 15 at http www twobtech com tech_notes TN015 pdf To Set the Time and Date From the Main Menu select the Cfg submenu Next select the D T submenu The display w...

Страница 23: ...a command menu will be displayed in the terminal emulator window When the serial menu is accessed the instrument is no longer making measurements it is waiting for the next command to be entered The following is the list of menu items accessible from this point l Start logging and write over existing logged data t Transmit logged data e End logging h Output serial data line header a Displays list ...

Страница 24: ...ng of zero ozone concentration will be output as 0 V and as 4 mA You can use the select switch to change the scaling factor to the value of your choice by selecting and changing the individual digits in the scaling factor of either the voltage or current Thus the instrument is not limited to a fixed number of ranges common to most ozone monitors Instead any range can be defined To Set the Relay Li...

Страница 25: ...is is the connection you would ordinarily use The screw connector on the left is normally closed i e it behaves in the opposite manner as the right screw terminal To Change the Baud Rate The baud rate for transmission of data to a computer over the USB or serial port may be changed by going to Menu Cfg I O Bdr to obtain Baud Menu 2400 4800 19200 Choosing a baud rate will automatically return you t...

Страница 26: ...rming the lamp test allow the instrument to warm up for at least twenty minutes Choose Lmp from the main Menu The display will momentarily read Lamp Test The photodiode voltage will then be displayed and after a few lamp measurements have been made the electronic offset and standard deviation also will be displayed as for example PDV 0 89801 V 1 2 1 85 The photodiode voltage PDV is a measure of th...

Страница 27: ...er running the lamp test for a few minutes values above 2 50 for the standard deviation usually indicate an excessively noisy lamp Lamps seldom burn out but may become noisy with time and need to be replaced Some lamps become noisy after only a short period while others will be extremely stable for years If your lamp fails the lamp test during the first year of operation contact us for a new lamp ...

Страница 28: ... place Other components with a limited lifetime are the air pump 15 000 hours lamp 20 000 hours and solenoid valve rarely fails It is recommended that the instrument we returned to 2B Technologies if any of these components fail Alternatively the user may install these components at their own risk In that case please contact 2B Technologies for instructions The following are indications of various...

Страница 29: ...and shorting Replace air pump Display is blank or nonsense Bad connection of display to circuit board Remove top cover and reconnect display to circuit board Check solder connections to display A new LCD may be required Cell temperature reads low by several 10 s of degrees Absent or loose connection of temperature probe cable to circuit board Remove top cover and reattach connector to circuit boar...

Страница 30: ...ction to select switch It may be necessary to replace the select switch Serial port does not work Wrong serial cable used Wrong baud rate selected A straight through serial cable is provided Some data collection devices require a cross over cable in which pins 1 and 3 are exchanged between the two ends of the cable Use a cross over cable or additional connector that switches pins 1 and 3 Make sure...

Страница 31: ... closed states Replace solenoid valve if not working properly This requires soldering As a first check hold your finger over the air inlet to determine whether air is being drawn in If there is flow measure the flow rate by attaching a high conductance flow meter to the air inlet Air flow should be greater than 0 6 L min If flow is lower check for leaks If there are no leaks replace air pump 2B Te...

Страница 32: ... by email within a few hours Or call us at 1 303 273 0559 There is a great deal of technical information about our instruments posted as technical notes at www twobtech com tech_notes htm Manuals brochures software cleaning procedures and scientific papers may be downloaded at www twobtech com downloads htm ...

Страница 33: ...loss of ozone over time When ozone concentration standards are required the ozone must be generated and certified on site The following are based on EPA requirements for calibrations of ozone monitors for monitoring in compliance with the Clean Air Act Similar procedures are recommended for other applications as well Ozone standards can be classified into two basic types 1 A Primary Ozone Standard...

Страница 34: ...inert material such as PTFE or FEP only 4 Sampling lines inert material such as PTFE or FEP only Zero air can be generated either from compressed cylinders or from scrubbed ambient air If ambient air is used contaminants such as ozone and nitric oxide must be removed Detailed procedures for generating zero air are in the EPA s Technical Assistance Document for the Calibration of Ambient Ozone Moni...

Страница 35: ...ampling lines Any significant loss of ozone must be measured and be subsequently applied to correct the calibration measurements For more information refer to the manufacturer s User Manual for the primary ozone standard or ozone transfer standard Linearity Check Since the Model 106 is inherently linear over several orders of magnitude a linearity check provides a test that the instrument is opera...

Страница 36: ...roduced by the flow measurements Intercomparison Test Comparison of the calibration setup with other ozone standards is a good check of the overall accuracy of the setup If measurements from another ozone standard are found to deviate from the calibration setup greater than the instrument specifications one of the calibration setups is not accurate CALIBRATION PROCEDURE A multipoint calibration sh...

Страница 37: ...zone generator to warm up for at least 5 minutes The same zero air supply used for making zero air measurements must be used in the ozone generator 2 Allow the Model 106 Ozone Monitor to sample the ozone concentration standard until a stable response is measured 3 Record the average response of the ozone monitor as well as either the average response of the UV photometer the transfer standard 4 Ge...

Страница 38: ... in the instrument software and set the calibration parameters PERIODIC ZERO AND SPAN CHECKS To ensure the quality of the ozone monitor data periodic zero and span checks can be performed by following the steps below 1 A zero check is performed by sampling zero air with the Model 106 following the Measurement of Zero Air section above 2 A span check is performed by sampling an ozone concentration ...

Страница 39: ... Relay Connector Air Inlet Air Pump Ozone Scrubber measurement Clock Battery Select Switch LCD Solenoid Valve DewLine Microprocessor Grounding Connector Pressure Sensor Temperature Connector Lamp Connector 5 V Regulator Cell Heater Connector External Power Switch Connector Lamp Glow Programming Switch Flow Meter Status Lights Calibration Sticker Scrubber Filter ...

Страница 40: ...E 33 Figure 4 Front Cover of the Model 106 L M Figure 5 Back Panel of the Model 106 L M LCD Select Switch Inlet Power Switch Serial Number USB Connector Relay Connector Programming Jumper Serial Port Analog Out 12 V Power In Status Lights ...

Страница 41: ... scrubber internal ZEREXT Ozone zeroing scrubber external OZLAMP106 Lamp and inverter OZVLV3 Solenoid valve OZDSP106 LCD display and cable OZPUMP106 Air pump PDASSY106 Photodiode assembly and cable OZCEL106 Absorption cell RELCON Relay connector SERCABL Serial port cable to computer USBCABL USB Cable PWRWIR Bare wire power cable 12VADP 12 V DC cigarette lighter adapter TEFTYG Teflon lined Tygon tu...

Страница 42: ...Model 106 L Ozone Monitor Manual Rev E 35 6 SERVICE LOG Date Hours Calibrated Cleaned New O3 Scrubber New Pump main backup New Lamp Other ...

Страница 43: ...Model 106 L Ozone Monitor Manual Rev E 36 Date Hours Calibrated Cleaned New O3 Scrubber New Pump main backup New Lamp Other ...

Страница 44: ...o UART Driver Disk in the computer s CD ROM drive 2 The installation files are located in a zip folder on the CD Navigate to the folder labeled cdc_NTXP and double click on it 3 Unzip the contents to a folder on the desktop or any area you wish 4 With the Model 106 off attach USB cable from the 106 to a USB port on the computer 5 Turn on Model 106 The install wizard should pop up as follows Select...

Страница 45: ...Model 106 L Ozone Monitor Manual Rev E 38 7 Navigate to folder where you unzipped the cdc_NTXP 8 Select Continue Anyway when this window appears ...

Страница 46: ...Model 106 L Ozone Monitor Manual Rev E 39 9 After a few seconds the driver will be finished installing ...

Страница 47: ...ction port After installation is complete determine which COM port the connection is using This can be done by the following procedure 1 If using Windows XP Vista 7 go to the control panel and select System 2 Click on the Hardware tab 3 Click the Device Manager button 4 Press the sign next to Ports ...

Страница 48: ...the Model 106 Using the Connection Plug the USB cable in after the powering the Model 106 to ensure correct functionality When setting up your software or terminal emulator choose the correct com port listed in the Device manager Use these baud rate settings 2400 8 bits no parity 1 stop bit Use 2B Technologies Display and Graphing Software free download from http twobtech com software htm to read ...

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