Corvus V1.2 - Ion Science
Contents
1. Corvus Instrument User Manual V1 2 CORY Air Quality Monitor WW j MONS Cience coe Register your instrument online to receive your extended warranty Unrivalled Detection www lionscience com Register your instrument online for extended warranty Thank you for purchasing this Corvus indoor air quality monitor from lon science Ltd The standard warranty of the Corvus is 1 year however the warrantee can be extended To extend the Corvus warranty to 2 years you must register your instrument online within one month of purchase terms and conditions apply Visit http www ionscience com customer support instrument registration CORVUS MANUAL lon Science Ltd Declaration of conformity Manufacturer Product Product description Standards BS EN 61326 1 2006 BS EN 61326 1 2006 BS EN 50270 2006 BS EN 61010 1 2010 CFR 47 2008 BS EN ISO 9001 2008 lon Science Ltd The Way Fowlmere Cambridge UK SG8 7UJ Corvus Indoor Air Quality Monitor Indoor air quality monitor for VOC detection with wireless data download humidity and barometric pressure Electrical equipment for measurement control and laboratory use EMC requirements Group 1 Class B equipment emissions section only Electrical equipment for measurement control and laboratory use EMC requirements Industrial location immunity immunity section only Electromagnetic compatibility Electrical apparatus2. lon Science Ltd CorvusPC The CorvusPC software program is required to setup calibrate and deploy the Corvus instrument it is available for download from the lon Science website http www ionscience com customer support instrument software Main screer Status Name Group Data Datalog Wireless Calibration Firmware ae 14 07 2014 ra 14 07 2014 0 48 0 CV100014 14 07 2014 En 14 07 2014 Bay 0 48 0 Q01649A4631001700F8FE NEw 11 43 Ka E ia Live view Show Corvus instruments currently in communication with CorvusPC A Master Corvus must be connected via USB other Corvus slave in that group will also be displayed History view Show all Corvus instrument currently connected and previously connected Information Displays software version information offers access to software upgrades and access to the user manual If a new version of software is available it will appear in a dialogue box to upgrade simply press the Install Upgrade button Archive Access previously saved data and facility to analyse and export data i Button functionality Settings This button gives access to the setup screen Changes to settings are transmitted to all Corvus in the group at lie View data Allows the user to view downloaded data in graphical form En Export data Data from a single data is exported as a csv format allowing it data to be used in MS Excel Export multi d
3. should be kept to a minimal length and should be PTFE lined Connect the Gas Saturation Cup Part number 871200 to the pipe Gas saturation The Corvus cannot be calibrated while it is logging Flow regulator To Calibrate a Corvus instrument connect it to a computer with CorvusPC installed Use the USB cable supplied in the accessory pack Part number A 877206 Use the Corvus setting tool to remove the Corvus sensor cover to reveal the PID sensor Set the Corvus to log and leave in the calibration environment for 30 minutes If calibrating multiple Corvus instruments set them all to data log via the Master instrument This will help condition the instrument IMPORTANT When carrying out a calibration keep physical contact to a minimum and avoid breathing on the instruments as warmth of hands and moisture from breath can affect the temperature and humidity sensor When calibrating multiple instruments always leave the calibration of the Master to last as it is the Master that instructs the Slave instruments to remain in log mode IMPORTANT The Corvus cannot be calibrated when logging The Group name will temporarily change to CAL during the calibration routine It will revert back when the calibration is finished If calibrating multiple Corvus instruments always calibrate the Master last Unrivalled Detection Page 23 of 27 www lionscience com CORVUS MANUAL lon Science Ltd Calibration IMPORTANT Please read
4. the data Border highlight A red border may appear around the Corvus instrument symbol this indicates the level of gas detected by that Corvus Border range The range or strength of the border can be adjusted by changing the Peak level The Border changes transparency based on the VOC signal strength Sequence Play Pressing Play automatically steps through the data the amount of steps can be adjusted by changing the sample rate Sequence Stop Press the Stop button to stop the step function Map save The data set and background can also be saved by pressing the export button Unrivalled Detection Page 14 of 27 www lonscience com CORVUS MANUAL lon Science Ltd CorvusPC Using the Corvus power supply Power Corvus is supplied with a 5 Volt dc universal power supply with plug adaptors that allow it to be connected to most types most domestic mains power outlets The suitable plug adaptor must be connected to the power supply before it can be used Power interruption The Corvus has a battery backup allowing it to remember the date time and which mode of operation it is in If Corvus is logging when power is lost it will re start logging after a warm up time The Corvus warm up time will be up to 30 minutes depending on how long power is off The battery back up will maintain the time and settings for 1 month Unrivalled Detection Page 15 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Corvus Deployme
5. 1 Identify the locations requiring monitoring 2 Ensure power sockets are available in each of the chosen locations 3 Set up a reliable wireless network Room 1 ca Room 2 MN Corvus E Power outlet Within typical office or industrial environments Corvus is expected to communicate over a distance of between 10 and 15 meters but this depends on obstacles that may block wireless communication Obstacles that can hinder wireless communications include Metal studwork within walls Metal pipe work Diagonal walls Metal machinery Equipment that generates sparks Unrivalled Detection Page 18 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Installation best practices Place 2 Corvus instruments 1 Master and 1 Slave side by side and switch them on Connect the Master Corvus to CorvusPC software via the USB cable Ensure both Corvus instrument are in the same Group Ensure both are present on screen Ensure the Corvus instruments are in Wireless setup mode Wireless setup mode runs whenever Corvus is NOT logging The LED on both instruments will flash alternate colours The BLUE colour indicates wireless mode the colours indicate status BLUE RED No other Corvus instruments in the group can be detected BLUE GREEN A reliably wireless connection in the group can be detected E both inst t flashing BLUE GREEN 3 PL nsure both instruments are flashing on E Slave Master T
6. 9 oz 5 ppb Isobutylene equivalent 0 1 C 0 18 F 0 04 0 72 mbar 72 Pa 0 2 full scale 0 50 ppm Isobutylene equivalent 40 C to 125 C 40 F to 257 F 0 99 non condensing 700 mbar to 1060 mbar 70 kPa to 106 kPa 5 ppb displayed reading 1 digit 1 C of reading 1 digit 4 of reading 1 digit 25 C between 10 and 90 RH 1 5 displayed reading 1 digit FSO Type Mesh Maximum open field range Up to 12 m 39 Ft Number of Corvus in a group 20 Max Wireless frequency Data log Data logging Data logging Data log options Power Mains power supply Corvus power input Communication Corvus to PC Corvus to Corvus Unrivalled Detection 2 4 GHz IEEE802 15 4 compliant transceiver 18755 points individual Corvus 8900 points Network of 20 Corvus 1 min 10 min and 1 hr 100 240 Vac 15 Watts 5 Vdc USB 2 1 Wireless via network Page 22 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Calibration Calibration Note Please read the entire procedure before beginning the calibration process Preparation For best results lon Science recommends the following equipment is used to Calibrate Corvus Zero gas supplied via a 0 3 Litre min flow regulator SPAN gas supplied via a 0 3 Litre min flow regulator A short length of PTFE lined pipe should be used to connect the Zero and SPAN gas to the Saturation cup See photo right All pipework
7. ata Data from multiple instruments can be exported csv format allowing it data to be used in MS Excel P ci 4 Delete Data This button deletes previously saved data dadas ial Air Vision Data can be analysed by importing a user defined map and placing Corvi monitors in the monitoring location The presence of VOC s is then highlighted on the map offering a quick method of identifying gas presence and migration Start logging i when pressed all Corvus connected to the group will start logging Please note Corvus setting cannot be adjusted while logging Unrivalled Detection Page 9 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Stop logging W When pressed all Corvus connected to the group will stop logging a Wireless connected Wireless Disconnected This button offers access to the wireless diagnostic that shows the wireless network structure The icon on the button also indicates if connection is available on each Corvus Calibration Accesses the calibration settings of that instrument Upgrade If the computer hosting CorvusPC has access to the internet software and firmware upgrades are automatically downloaded to the computer Pressing the Upgrade button updates both software and firmware simply follow the prompts Alternatively software and firmware can be downloaded from the lon Science website http www ionscience com customer support instrument software a Master Corvus ins
8. cleabning and replacement The performance of the PID sensor may deteriorate with use therefore servicing may be required to recover performance Performance of the PID sensor may be reduced by electrode stack contamination lamp window contamination To resolve these issues the PID sensor will need to be removed from the Corvus instrument To gain access to the PID sensor use the Corvus setting tool to lift the sensor lid Insert the tool through one of the side holes in the lid and lever the lid from the housing The Corvus setting tool is part of the accessory pack Part Number A 877206 sold separately to the Corvus instrument The PID sensor is removed by unplugging it To remove the electrode stack locate the prongs of the electrode stack removal tool Part Number 846216 in to the slots in the side of the Mini PID Sensor body Squeeze the sides of the tool until the clips in the side of the electrode stack are released Place a finger over the electrode stack to restrict movement as the electrode stack and lamp are spring loaded Remove the electrode stack and withdraw the lamp from the PID body IMPORTANT Do not touch the lamp window with fingers as this will significantly reduce the PID output Inspect the electrode stack for signs of contamination Contamination may present itself as blemishes discoloration or corrosion on the surface of the metal electrodes The electrode stack should be replaced if it appears contami
9. crosoft Windows XP or later versions IMPORTANT All Corvus instruments are supplied setup as Slave instruments with the Group name A To create a network of Corvus instruments a Master is required any Corvus Slave can be setup as a Master using the CorvusPC software Settings can be sent to multiple Corvus Slave instruments wirelessly via a Master if it shares the same network Group name Slave or Master Corvus instruments will not communicate with other Corvus instruments with different group names Before deploying Corvus instruments in a location make a note of which Corvus instrument is placed in which location Each Corvus has a unique serial number eg CV 000001 that can be used as a reference lon Science strongly recommends creating and testing a Corvus network before it is deployed Connect Corvus to CorvusPC software Open CorvusPC software on a computer Connect power to a Corvus instrument using the power adaptor supplied with the instrument The LED on the Corvus will flash BLUE and RED Use the USB cable from the accessory kit Part number A 877206 connect between the Corvus and the Computer Failure to use the supplied USB cable may invalidate the EMC certificate Corvus used in isolation There may be applications where a network of instruments is not required or not possible All Corvus instruments can be used in Isolation Simply connect each Corvus to the CorvusPC software via the USB cable and s
10. distributor or service centre or at www ionscience com lon Science Ltd recommends annual return of all instruments for yearly service and calibration Legal Notice Whilst every attempt is made to ensure the accuracy of the information contained in this manual lon Science Ltd accepts no liability for errors or omissions or any consequences deriving from the use of information contained herein It is provided as is and without any representation term condition or warranty of any kind either express or implied To the extent permitted by law lon Science Ltd shall not be liable to any person or entity for any loss or damage which may arise from the use of this manual We reserve the right at any time and without any notice to remove amend or vary any of the content which appears herein Unrivalled Detection Page 5 of 27 www lonscience com CORVUS MANUAL Statements lon Science Ltd Warranty The standard warranty can be extended from 1 to 2 years on the Corvus when registering your instrument via our website http www ionscience com customer support instrument registration To receive your Extended Warranty you need to register within one month of purchase Terms and Conditions apply You will then receive a confirmation email that your Extended Warranty Period has been activated and processed Full details along with a copy of our Warranty Statement can be found by visiting www ionscience com instrument registrat
11. e Group should still be in wireless mode so the LED should flash BLUE GREEN 6 To start the Group logging Connect Computer to the Master Corvus via USB and open the CorvusPC software All instruments should appear on the Main Screen Alternatively the Push button on the Master Corvus can be used to start and stop a Group of Corvus logging Use the Corvus setting tool to press and hold the Push button for 3 seconds to Start logging and then press and hold the press button for 3 seconds to stop logging Please note A change in log status may take several seconds to be transmitted throughout the entire group Right side Right side Y Push button AAA CE o O CLL _ CS Q a Stop logging LED flashing BLUE RED Wireless mode no wireless connection LED flashing BLUE GREEN Wireless mode good wireless connection 90 3 Start logging C LED GREEN Run mode instrument logging Unrivalled Detection Page 17 of 27 www ionscience com CORVUS MANUAL lon Science Ltd Installation best practices The importance of a site survey lon Science strongly suggests carrying out a sight survey before Corvus is deployed This is to establish 1 The number of locations within the building that require monitoring 2 Identify available mains power outlets 3 The number of Corus instruments required to monitor the chosen location and create a reliable wireless network Site survey Choosing locations
12. ect adjustment of features that cause harm or damage to persons or property Inadequate performance of the gas detection equipment described in this manual may not necessarily be self evident and consequently equipment must be regularly inspected and maintained lon Science Ltd recommends that personnel responsible for equipment use a regime of regular checks to ensure it performs within calibration limits and that a record be maintained which logs calibration check data The equipment should be used in accordance with this manual and in compliance with local safety standards IMPORTANT It is important the responses from the sensors are checked before being deployed Quality Assurance Corvus has been manufactured in compliance with IS09001 2008 which ensures that the equipment supplied to our customers has been designed and assembled reproducibly from traceable components and leaves lon Science Ltd calibrated to stated standards Disposal Dispose of Corvus and its components in accordance with all local and national safety and environmental requirements This includes the European WEEE Waste Electrical and Electronic Equipment directive lon Science Ltd offers a take back service Please contact us for more information Calibration Facility lon Science Ltd offers a calibration service including the issue of certification confirming calibration with equipment traceable to national standards A Corvus calibration kit is available from your
13. et a unique Group name Data will be stored in the Corvus instrument and must be downloaded via the USB connection Corvus used in a network It is strongly recommended a network is setup and tested before deployment When each Corvus is connected to CorvusPC for the first time a message will appear asking if this instrument is to be set as a Master A Master instrument is required to control each group of up to 20 Corvus instruments Data logging Data is stored on each Corvus and is transmitted to the Master of that group Should wireless transmission be interrupted data will be stored on each Corvus and then forwarded to the master when wireless connection is regained If wireless communication is permanently lost data can be downloaded via USB from each Corvus instrument CorvusPC recognises when an instrument is in a group and will collate data from separate instruments together Data can therefore be viewed as if downloaded from a Master instrument Unrivalled Detection Page 7 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Introduction Weight 450 g 15 9 oz Front Right Side Cc CORVUS e o Cc 122mm ial O CJ A www lonscience com Cd Cc 175mm 6 9 67mm 2 63 Back Fixing M4 Screw head lt 9mm 80mm 3 1 Right side Right side Push button USB Power input Unrivalled Detection Page 8 of 27 www ionscience com CORVUS MANUAL
14. for the detection and measurement of combustible gases toxic gases or oxygen Immunity Type 2 industrial environments Safety requirements for measurement control amp lab equipment Class A Code of Federal Regulations 15 Subpart B Radio Frequency Devices Unintentional Radiators Quality Management System Requirements On behalf of lon Science Ltd declare that on the date this product accompanied by this declaration is placed on the market the product conforms to all technical and regulatory requirements of the above listed directives Name Mark Stockdale Signature Position Technical Director Date 17 April 2014 Unrivalled Detection Page 3 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Contents Declaration OF CONTO MI Min As 3 A eo E a 5 RESPONSIDIM TON USE isco dos See a io 5 Quay FNS SU AIA CS cca A nce diac ia ge ee cpa S cet sce 5 PIS DOS Alccsaeted haces a aiid nanan e ina 5 Calibration Facil ii a A rd 5 Legal Nola ia 5 A O 6 CONTACHION Science Limited nai a 6 MNTOdHAC ION doo 7 CONOS da la 9 Mams A O A e 9 SUR TONCIUONA IY ica 9 19 2 A Use eRe tea aoe 10 OS Fell MUO i cid 10 Push button See location Ol page Oesoto did 10 A 10 Name e oe e ie lo ed 11 A A AA AE ate h T EEEE E E 11 PUA OC AA N ET sees E E on O cad A O AA 11 A A cates cance AEE T OO RO T TAE TEA A AE 11 NEIWOTK Sel Master dida as 11 Mole da ld ies ti Lo se teas Poo E AA EEA bane eeceen cance ates
15. he Corvus remembers which mode of operation it is in when power is removed Unplug the both Corvus instruments from the power supply and take them to Location 1 and apply power to just one instrument The Corvus LED will flash BLUE RED as there are no other Corvus instruments connected Location 1 Ss Take the second Corvus to location 2 and apply power if both Corvus instruments communicate with each other both instruments instrument LED s will flash BLUE GREEN E 5 gt gt Wireless OK lt Location 1 Location 2 If the Corvus instrument LED s flash BLUE RED then a wireless connection has not been made o gt E C 90 Location 1 No wireless connection o Location 2 If so an additional Corvus instruments can be placed between the two locations to make a link 5 5 gt 90 90 Location 1 Link Location 2 To avoid logging unnecessary data of Corvus instrument being used as links the data logging of sensor can be switched off To switch off the logging function of any Corvus Press and hold the switch for 5 seconds the change in function is confirmed by the LED illuminating Violet for 3 second To reactivate the logging function press and hold the switch for 5 seconds The change in function is confirmed by the LED illuminating Violet for 3 seconds Unrivalled Detection Page 19 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Maintenance PID Sensor Lamp
16. ill not To change the group name click the group dialogue box The default group name is A IMPORTANT Do not use CAL as a group name as this name is used during the calibration routine E View data al Allows the user to view downloaded data in graphical form Data Selection Group Corvus Pressure Humidity Temperature PID All Sales office Coridor Meeting room Board room Sales printer Select the sensor data and press the OK button to view the data in a graph Unrivalled Detection Page 11 of 27 www lonscience com CORVUS MANUAL CorvusPC lon Science Ltd EZRES Corvus Group ABS Start 21 03 2014 17 08 09 Finish 24 03 2014 10 10 10 RH Atm Temp PID 40 20 95 21020 90 24010 85 24000 0 5 21 Mar 00 00 22 Mar 00 00 23 Mar 00 00 Time Scales Allows the graph scales to be adjusted Unrivalled Detection Page 12 of 27 24 Mar 00 00 25 Mar 00 00 www lonscience com CORVUS MANUAL lon Science Ltd CorvusPC Select data Allows different sensor to be selected Data selection Corvus name All Corvus 1 Corvus 2 Corvus 3 Corvus 4 Corvus 1 Corvus 2 Corus 3 Corvus 4 Zoom to fit Fits the graph to fit the entire screen Zoom Allows specific areas of the graph to be examined in more detail Print Allows the graph to be printed as shown on screen Photo Exports the graph as an image to allowing graphs to be put in reports Image for
17. ion Contact lon Science Limited UK Head Office lon Science Ltd The Way Fowlmere Cambridge SG8 7UJ UK Tel 44 0 1763 207206 Fax 44 0 1763 208814 Email info ionscience com Web www ionscience com Unrivalled Detection USA Office lon Science Inc 4153 Bluebonnet Drive Stafford TX 77477 USA Tel 1 877 864 7710 Fax 1 802 244 8942 Email info ionscienceusa com Web www ionscienceusa com Page 6 of 27 German Office lon Science Messtechnik GMBH Laubach 30 Metmann Neandertal 40822 GERMANY Tel 49 2104 14480 Fax 49 2104 144825 Email info ism d de Web www ism d de www lonscience com CORVUS MANUAL lon Science Ltd Introduction Corvus is a Photo lonisation Detector PID specifically designed to monitor VOC gas concentrations within indoor environments It also logs temperature relative humidity and barometric pressure to help diagnose potential sources of VOC s Multiple Corvus instruments communicate together via a low power wireless mesh network this offers the convenience of downloading data from multiple slave instruments from a single Master instrument CorvusPC software also offers a dynamic range of tools that make analysing data and creating reports quick and easy Setup Please download and install CorvusPC software from the lon Science website http www ionscience com customer support instrument software CorvusPC software is compatible with Mi
18. lick in the Barometric pressure selector button Adjust the level to match the local device and then press the save button After a satisfactory calibration or sensor adjusting press the Confirm button Unrivalled Detection Page 25 of 27 www ionscience com CORVUS MANUAL lon Science Ltd Accessories Description Part Number Corvus Indoor Air Quality monitor CVESRXUX X 1 x Corvus instrument 1 x Power supply Accessory kit A 877206 1 x USB cable 1 x PID Lamp cleaning kit 1 x Removal tool for MiniPID electrode stack 1 x Gas saturation cap 1 x Corvus setting tool Calibration kit 849230 1 x Calibration kit 10 ppm Isobutylene Includes 103 Litre bottle of 10 ppm Isobutylene 0 3Litre min flow regulator pipe and case Spares Description Part Number MiniPID 6 Pin 10 6eV MP6SX6FX Pellet burnt ppb A 846267 MiniPID 10 6 Lamp LA4TM600 Calibration Gas Cylinder 10ppm Isobutylene 849229 103 litres Unrivalled Detection Page 26 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Manual log ico ae Manual created 17 04 2014 Log warm up notice Page 7 V1 1 Note to mark instruments Page 7 15 05 2014 Wireless frequency to 2 4 GHz Page 22 1 2 Addition of AirVision concept Page 9 and 14 V Calibration routine Pages 24 and 25 28 07 2014 USB eject statement on Page 10 Unrivalled Detection Page 27 of 27 www lonscience com
19. ly Span gas 10 ppm Isobutylene to the PID sensor when the Bar graph is in the yellow section keep the gas applied until the bar graph fills When the bar graph returns to the yellow section press the save button Now remove the Span gas Setting the Span takes 2 minute to complete Bump test Click the Bump selector button Apply Span gas 10 ppm Isobutylene to the PID sensor when the Bar graph is in the yellow section keep the gas applied until the bar graph fills When the bar graph returns to the yellow section press the save button Now remove the zero gas Setting a Bump takes 2 minutes to complete Environmental sensors The Corvus Temperature Relative Humidity and Barometric pressure sensors can all be adjusted to match the users preferred references IMPORTANT It is important that the Corvus is situated as near as possible to the ambient monitoring references It is also important that physical hand contact is kept to a minimum and human proximity remains above gt 1 meter while the environment sensors are being set The presence of a human body and breath can affect the ambient temperature and humidity resulting in errors in reading Temperature Click in the Temperature selector button Adjust the level to match the local device and then press the save button Relative humidity Click in the Relative humidity selector button Adjust the level to match the local device and then press the save button Barometric pressure C
20. mats available me a Os emf Enhances windows meta file png Portable network graphics gif Graphics interchange format tif Tagged image file bmp Bitmap AirVision O Corvus PC has a facility that helps identify gas migration and potentially fugitive emissions An image can be created by the user and imported into CorvusPC and used as a background map to aid data analysis The file formats can be png Portable network graphics gif Graphics interchange format tif Tagged image file bmp Bit map Unrivalled Detection Page 13 of 27 www lonscience com CORVUS MANUAL CorvusPC lon Science Ltd AirVision has been specifically designed to give the user the ability to quickly and easily view VOC gas migration through a building E Group ABS Comerc A edhi E ov Peak 20 Corvus Printer Sales office Sales office _ 1 Printer PID 0 213 ppm Temp 23 0C RH 68 3 Corridor Atm 984mBar Sales office PID 0 581 ppm PID 0 188 ppm Temp 24 2 0C Temp 23 1 0C RH 62 4 RH 68 9 Atm 984mBar Atm 984mBar ridor 0 139 ppm emp 25 4 C RH 60 4 Atm 1008 4 mBar H Peak 0 2 ppm gt a O gt a 10 samples Corvus instruments can be dragged and dropped onto the map from the list down the right side of the screen to the location they were data logging Sequence Slider Move the slider along the bottom of the screen to select different dates and times of
21. n relate to where the Corvus is located ie Laboratory Office or Corridor etc Corvus Names are used in graphical screens and in exported data Units Allows the selection of preferred temperature and pressure units Data log Previously logged data will be deleted if a tick check is entered in the box Interval The interval between data logs can be adjusted Sensor pre conditioning This feature ensures the PID sensor is ready before logging starts When selected there may be a delay of up to 30 minutes before logging begins The Corvus will start logging immediately if de selected however low level PID sensor drift may be seen For best results lon Science recommends this feature is selected when monitoring sub ppm levels Network Set master A Corvus instrument is made into a Master when a tick check is entered into the box IMPORTANT There must be only 1 Master Corvus in each group Multiple groups with different group names can work in the same area Log Duration CorvusPC calculates how long data can be collected before the internal memory is filled This is based on the number if instruments in the group and the frequency of the data being logged Write to Device Settings will only be sent to the Corvus group when this button is pressed Group name Every Corvus must have an alphanumeric group name 1 to 4 digits Corvus instruments with the same group name will communicate with each other Corvus with different group names w
22. nated of performance is reduced Lamp Cleaning The Corvus PID relies on an ultraviolet light source ionising VOC gases as they pass across the lamp window This process may result in a very fine layer of contamination appearing on the detector window that must be removed on a regular basis CAUTION The Corvus is a sensitive detector Internal components must be handled with clean hands and clean tools The Corvus lamp is fragile Handle with care Unrivalled Detection Page 20 of 27 www ionscience com CORVUS MANUAL lon Science Ltd Maintenance Inspection of the lamp may reveal a layer of contamination on the detection window that presents itself as a blue hue To check for confirmation hold the lamp in front of a light source and look across the window surface Clean the window using the PID Lamp Cleaning Kit A 31063 supplied USE of PID Lamp Cleaning Kit A 31063 The container of cleaning compound contains Aluminium Oxide as a very fine power CAS Number 1344 28 1 A full material safety data sheet MSDS is available on request from lon Science Ltd The key issues are listed below Always replace the lid after using the cleaning compound Hazard identification May cause irritation of respiratory tract and eyes Handling Do not breathe vapor dust Avoid contact with skin eyes and clothing Wear suitable protective clothing Follow industrial hygiene practices Wash face and hands thoroughly with soa
23. nt Power supply Corvus Avoid mounting the Corvus above the power PSU supply as heat from the power supply may affect the temperature and RH measurement and PSU Y sensor reading Air Conditioning Heating and air conditioning Avoid mounting the Corvus near to air conditioning vents or heaters unless there is a x Corvus specific reason for doing so Please note the working temperature of Corvus in these circumstances l T Heating Sun Avoid placing Corvus near windows as sunlight Corvus will affect the sensor readings x Mounting Corvus can be wall mounted using the key ways on the back of the instruments The Corvus can also be left on a flat surface however care should be taken to ensure all remaining vents are clear from obstruction Unrivalled Detection Page 16 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Deployment check list 1 Ensure all Corvus instruments in the group to be deployed have an up to date Calibration as specified in this manual 2 Ensure all Corvus instruments within the chosen Group all have the same Group name and reliably communicate with the Master Corvus 3 Set the Master Corvus to Wireless mode and ensure all instruments also enter Wireless mode The LED should flash BLUE GREEN 4 Remove power from all Corvus instruments 5 Deploy all Corvus instruments in the chosen location based on the information within the site survey When power is applied all Corvus in th
24. oeseneates 11 A O ac nieeas unc nena otoes S E aeeneahes 11 ERE OB ake q E mene E er nee Cree E EEE A A ee a A A 11 Mo A A q suet snedet ase a a a acenuehes 11 UN SS OC CP PONIA 12 SOCIO CE CaN orna a AA a 13 ZOOM O Met tia 13 O a tea atecnaes 13 ae ESR et O a a See eee nee 13 GAR 0 SC RS E RIE ea A 13 nn ee ee OC OR eee ee ee Cee eee eee 13 Sequence ra i n 14 oo AA o Lu O Te ee 14 eto ao AA O SO ER eee eee en ee On ee ee 14 E A O A E E ee ee enn eer eee 14 e OA 14 UA e E E E O kn AS ee A E SOR Ee ere ree ne See eee E 14 Using the Corvus DOWEN SUDDIY sy ccigsteas cos ccaswrac E A S E Waactexdamme ab enues 15 CONUS DEDIO Menta tc 16 Deplovment CHECK Start 17 installation best Practices uni DoS 18 The importance of asite SUSY 20 is 18 Site survey Choosing lOCaliON Syria ll 18 Maintenant ii Ao 20 Camp Ole ani ad 20 Tech ical specification ii A SAA At 22 CAMION A dao 23 UE UNO cess acl ed ce a bid 24 INCCOESSOMICS iia AA Ao 26 a OO O O 26 Man Wal lOG A EA EEA 27 Unrivalled Detection Page 4 of 27 www lonscience com CORVUS MANUAL lon Science Ltd Statements Responsibility for Use The Corvus instrument detects and data logs a wide range of Volatile Organic Compound gases It also measures and Data logs Temperature Relative humidity and Barometric pressure The Corvus instrument has many selectable features allowing it to be used in a variety of ways lon Science Ltd accepts no responsibility for the incorr
25. p and water after use and before eating drinking smoking or applying cosmetics The Compound has a TVL TWA of 10 mg m3 Storage Keep container closed to prevent water adsorption and contamination To clean the lamp 1 Open the vial of Aluminium Oxide polishing compound With a clean cotton bud collect a small amount of compound 2 Use this cotton bud to polish the PID lamp window Use a circular action applying light pressure to clean the lamp window Never touch the lamp window with fingers 3 Continue polishing until an audible squeaking is made by the cotton bud with compound moving over the window surface usually within fifteen seconds 4 Remove the residual powder using the clean end of the cotton bud 5 To refit the lamp lay the electrode stack on its back and inserting the lamp into the stack while lightly twisting 6 Lower the PID body over the electrode stack lamp assembly When located press down until the electrode stack clips into place Unrivalled Detection Page 21 of 27 www ionscience com CORVUS MANUAL lon Science Ltd Technical specification Dimensions Size Weight Sensitivity PID Temperature Relative humidity Barometric pressure Detection range PID Temperature Relative humidity Barometric pressure Accuracy PID Temperature Relative humidity Barometric pressure Wireless network H 122 mm 4 8 in W 176 mm 6 9 in D 68 mm 2 6 in 450 g 15
26. the entire calibration procedure before proceeding with a calibration Ed When the Corvus is ready to be calibrated press the calibration button on the chosen instrument Status Name Data Datalog Wireles Calibration lt gt RSB1 14 07 2014 14 07 2014 GN E Q01649A461C001000F8FE 11 43 ae 11 20 I A CV100014 E _ MN Es Eu 14 07 2014 F 14 07 2014 Q01649A4631001700F8FE 11 43 i 11 39 aia A calibration screen will appear PID output The PID output window shows the VOC reading based on the current ZERO and SPAN levels it is updated once per minute Q01649A461C001000F8FE RSB1 PID output Zero Duty cycle bar graph To ensure long term stability and ensure extended lamp life the Corvus PID sensor has a duty cycle of 1 minute The PID is powered allowed a few seconds to stabilize before taking a reading the sensor is then switched off until the next test cycle The Duty cycle bar graph indicates the timing of the Corvus duty cycle Unrivalled Detection Page 24 of 27 www ionscience com CORVUS MANUAL lon Science Ltd Zero Click in the Zero selector button Apply Zero gas to the PID sensor when the Bar graph is in the yellow section keep the gas applied until the bar graph fills When the bar graph returns to the yellow section press the save button Now remove the zero gas Setting the Zero takes 1 minute to complete Span Click the Span selector button App
27. truments setup as a Master are identified by a red border around the Corvus icon Slave Corvus instruments that are slaves have no border a USB Indicates a Corvus is connected to CorvusPC via USB cable Click on the USB symbol to eject the USB before unplugging the cable from the Corvus or computer Serial number The Corvus serial number is a unique 21 digit The serial number cannot be modified Push button See location on page 3 The Push button has just one function to start and stop logging Press and hold the push button on the Master for 3 seconds to start the group logging Press and hold the push button on the Master for 3 seconds to stop the group logging The Push button is relevant to the Master Corvus only it has no use on Slave Corvus Settings Ee This button gives access to the setup screen Changes to settings are transmitted to all Corvus in the group Network V Set Master IRN Q016494461C001000F8FE Temperature a Write to Device F Datalog Log Duration Interval Maximum memory in Master 2GB Number of instruments in group 2 Memory will be full in approx 66727 days v Sensor Pre conditioning Unrivalled Detection Page 10 of 27 www lonscience com CORVUS MANUAL lon Science Ltd CorvusPC IMPORTANT These settings will be transmitted and used by all Corvus instruments in that group Name Each Corvus can be given a unique 31 digit aloha numeric name Typically the name ca
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