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Mercury Vapour Indicator User Manual V1.9

1. V1 9 Mercury Vapour Indicator User Manual NSTRUCTIONS position if LO BAT charge batteries Switch to 2000 Stable adjust ZERO ain zero indication n filter Should be nent is zeroed in nitored nSitivity move n to 200 Position the green cator should glow MADE IN UK nt online ister your instrume fo cone your Extended 2 Year Warranty See page 4 for details l 2 MVI Manual Part Number 2600 K bs SG8 7UJ U Fowlmere Cam E Technologies prey 1763 20d sn Fax 44 0 d i d m b www ionscience com E Te E nce co We mail info ionscie Sensing E adi Advanced Gas istered in England No 2359038 pie ai Herts SGB SUN U K Lake House ddress Registered office a Declaration of Conformity Manufacturer Shawcity Limited Pioneer Road Faringdon Oxon SN7 7BU Product MVI Mercury Vapour Indicator Product Description Hand held detector comprising dual beam UV absorption module for the detection of Mercury vapour EMC Directives 83 336 EEC 91 263 EEC 92 31 EEC Standards Applicable EN 55022 1987 Class B EN 50082 1 1992 Table 1 Date of Issue 8 January 1996 On behalf of Shawcity Limited I hereby certify that the listed apparatus conforms to the protection requirements of the EMC Standards listed above David Hughes Technical Manager Shawcity Ltd Page 1 of 21 Contents Declaration or COMPOFMICY uci dvi euexk uva ru v ERU UR KEV FER TEE FEES FU
2. Sensitivity Accuracy Repeatability Response Time Temperature Range Battery Type Battery Life Dimensions Weight Linearity Zero Drift Alarms Datalogger Operation Surveying atmospheres for Mercury Hg concentrations below and above the accepted exposure limit Dual beam Ultra Violet absorption module 0 1 199 9 and 1 0 1999 ug m user controlled 0 1 ug m and 1 0 ug m 5 micrograms or 10 of reading 5 FSD Approximately 3 seconds 10 C to 50 C 15 Volt NiMH rechargeable Greater than 6 hours after full charge 145 x 295 x 80 mm 120 mm with handle 5 Ib 3 oz 2 35 kg Higher than 5 from 0 to 500 ug m Less than 5 ug hour Audible alarm factory preset to 20 ug m 0 2 volt for use with a datalogger not supplied After a short warm up the MVI gives real time indication of Mercury vapour levels through the PTFE probe Page 6 of 21 Packing List The MVI is sent to you packaged in a lightweight waterproof structural resin instrument case with foam insert Contents should be carefully removed and checked against the packing list Any discrepancies between the contents and packing list must be reported to Ion Science Limited within 10 days of receipt of shipment Ion Science cannot be held responsible for shortages not reported within that period Item Description Quantity 1 MVI instrument 2 MVI battery charger 3 Charcoal in line filter 4 PTFE probe and filter assembly including 10 water trap f
3. must always be exercised when handling Mercury The MVI employs an internal Ultra Violet light source operating in the 254 nm region Ultra Violet radiation is dangerous and if for any reason the lamp is operated whilst exposed UV protective glasses must be worn High voltages are used in this instrument and the cover should only be removed by qualified technicians Ion Science Limited can accept no responsibility for the incorrect use of the instrument that cause harm or damage to persons or property It is the user s responsibility to appropriately respond to the readings given Quality Assurance Ion Science Limited is an ISO 9001 2008 accredited company Disposal Please dispose of the MVI its components and any used batteries in accordance with all local and national safety and environmental requirements This includes the European WEEE Waste Electrical and Electronic Equipment Directive Ion Science Limited offers a take back service Please contact us for more information Calibration and Repair Facility Ion Science Limited offer a repair and calibration service Please contact us for more information Training Ion Science would be happy to provide training in the operation and maintenance of the MVI Please contact us should this be of interest Legal Notice Whilst every attempt is made to ensure the accuracy of the information contained in this manual Ion Science accepts no liability for errors or omissions or any cons
4. The ON OFF switch is located immediately below the display and to the left In the ON position the MVI will operate and display In the OFF position battery power to the MVI is disconnected The instrument MUST also be switched OFF to enable charging 2 The Zero Adjust control is located at centre of the panel between the handle and display A ten turn potentiometer is used to manually set the display to zero provided that the instrument is in a Mercury free atmosphere The MVI is designed to show both positive and negative readings and can be adjusted between 240 ug m by use of the zero control Zero drift shown on the display is normal and is caused by changes in temperature or humidity The zero control is used to cancel out any negative or positive change on the display prior to taking a reading 3 Range Switch a 2000 inthis range the instrument will measure over a range of 0 2000 ug m in steps of 1 ug m b 200 inthis range the instrument will measure over a range of 0 200 ug m in steps of 0 1 ug m Zero Adjust ON OFF Switch Range Switch OPERATIN RUCTIONS Page 9 of 21 Operating Controls 4 Indicating Display This shows the Mercury concentration in the monitored environment Range 0 2000 ug m MERCURY VAPOUR INDICATOR Page 10 of 21 Operating Controls Important Note The display will indicate LO BAT when batteries require charging Please note the instrument does not operate reliably when LO B
5. Unlock the luer filter and discard b Replace with a new filter Page 17 of 21 e gt User Maintenance Alarm Level The Mercury alarm level is factory set at 20 ug m These values are limited by unit accuracy The alarm level cannot be set beyond 35 ug per metre cube MVI Health Check Over time the internal filter and tubing can become contaminated We therefore recommend carrying out an occasional health check to ensure that the instrument is clean and not giving slow or false readings There are 4 simple tests as detailed below which can be carried out by the user Prior to testing switch on the MVI and select the 2000 range Leave the instrument to stabilise for 10 minutes before proceeding Test 1 Test 2 Test 3 Test 4 Can the MVI be zeroed Zero the MVI in clean air do not use the charcoal filter Can the MVI be zeroed If not then a service is required If yes then continue Check for internal contamination Using a clean piece of flat card or plastic block the air flow to the luer connector This will force air to be drawn from the internal parts and any contamination will show on the display If the reading increases by a value greater that 5 ug m then the MVI internal parts are contaminated and service is required Check for case contamination Use a clean dry cotton bud and scrub the lid top where dirty Offer the bud to the luer inlet and note any reading changes A change of greater than 5
6. americas com Email info ism d de Web www ionscience com Web www ionscience com Web www ism d de Page 4 of 21 Introduction The Mercury Vapour Indicator MVI is primarily used to monitor environments where Mercury or any of the Mercury compounds are produced processed or stored and applications where Mercury vapours may pose a health hazard to personnel Units of measurement used for detecting Mercury vapour are micrograms cubic metre expressed as ug m The MVI has two manually switched ranges of measurement 0 200 ug m with a resolution of 0 1 ug m 0 2000 ug m with a resolution of 1 ug m Principle of Operation A sample of the immediate atmosphere under investigation is drawn by the pump into a glass sampling cell where a Ultra Violet light source is absorbed by the sample Photodiode detectors are used to measure the intensity of radiation passing through the sample chamber The optical system is designed specifically to detect Mercury in the Ultra Violet region of 254 nm The presence of Mercury vapour will reduce the radiation energy reaching the photodiode detector in proportion to the vapour concentration This change is then converted into an electrical signal and conditioned to provide a linear reading on the front LCD as ug m An audible alarm is fitted which gives warnings when preset conditions are achieved MERCURY VAPOUR INDICATOR Page 5 of 21 Specification Function Detector Measuring Ranges
7. AT Is indicated eBoy mU UU F au N Page 11 of 21 Battery Charging Universal Battery Charger A 26220 MERCURY VAPOUR INDICATOR AUCTIONS X 293 531 Page 12 of 21 Battery Charging The MVI incorporates a NiMH battery with a continuous duty cycle of greater than 6 hours operation The full charge cycle for the battery is 16 hours Please note If the units are charged from a flat battery the unit should not be charged for more than 16 hours continuously If the unit requires a top up charging then 2 8 hours charging should be sufficient Recharging Switch the instrument off Connect the MVI battery charger to the instrument Use only the MVI charger supplied with the instrument Use of an alternative charger may damage the instrument and will void the warranty The green charging LED lamp located immediately below the ON OFF switch will light indicating the batteries are accepting charge Only store the unit in a fully charged state IMPORTANT NOTE Only use the Ion Science universal battery charger Part Number A 26220 provided with your instrument Page 13 of 21 Preparing the MVI for Use It is recommended that you zero your instrument in a known clean environment using fresh air 1 Turn the instrument ON and ensure the LO BAT indication does not appear e If LO BAT does appear then charge the unit for 16 hours before proceeding to next step refer to Battery Charging Section of
8. EREQERE NER ERN EN S EON RN OEC ETE I 16 User Maintenance sieeonasiibdonoXnD aW On UON ROGO UOCE DER GRG REROR a 17 Fiter RED ACETIC RE DI T m T UI 17 Alarm LEVO ysl ction at Qo Dude ct da Desde ae te EMEN EU E LOREM rae E Stud CEU D tq 18 PE Health Cre iguevutcum eE ua QR V EEUU Dur evoa cU P Qu IU Ru OU E ON OVES DINI ERN CEU ROUES TRU DON CUM EOMU 18 Cons mable Itemis sovegvRARVER AS EXEERCTRERERERERAD I UO R ORC RN OUO ROT GG CN ERGO ER Rei GR ERR FR DR NR 19 Calibration dnd Rebpall ascisosaviid eva ERERCRERERFES ERES MERE EROR EFEFI VEMENS VEVINI AVI VITE RYE VEEUCR FREI ELE FN ELE ELEME 20 Page 2 of 21 Statements Responsibility for Use 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 Ion Science recommends that personnel responsible for equipment use institute 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 Warnings Mercury amalgamates with gold silver stainless steel aluminium and copper alloys Accidental trapping of Mercury can cause serious damage to vital parts of electronic equipment and delicate instruments Mercury is also toxic if inhaled ingested or absorbed through the skin or eyes Care
9. IT FERA RETE ERI EE RENE NE CNN E RN ER P ER 1 Statements mee 3 secisenjsisegu Reeet PTT 3 liicldmscfM M cr e 3 CBS PASS UU cle eue adcevcu roue duvteuss CEN cee nae deus vedere E E Ida uod rra Douve dum tuE condit d UE D despa suet 3 ISOS OIG IET D T IU EE 3 Calibration and Repar Facility anrea ciu Ru vest n TEE LER Ert civ Ce spon E ce v DEED DENKE 3 TTI AMUN eere ep ME 3 Hzc Wiener M Y 3 Wanani y AU C LII Um 4 Contact LOM ese s acinis asrnane r en ate nevus a nace yee aeeeee 4 INEFOGUCUON sion inr ERR ER EROR EG R GORGE RR ER ACCADE RR RU PRU Dn PRODR 5 Pidriciple OF ODETA O suaskrvte suede nune Ee des Paus oce vvOE FL ve Du rs Dos n vos codd Geb rl ONU UE ERN OVES A P ESO dupES 5 SpecilicalloD saved no ORERDR A ANEA 6 Packing EISE sicud Fi varia EXE XERUAEACNU DC a 7 DescrIDEIOD oc cus kn ERuE KXRERHERR ORE MEO ODORE BODGRO EREOER EN TOES OUR GER ORC ROTE RTT REDDE PREND EUER cR 8 Operating Controls isi ecas Qu EC ov REEL WEEEn FREE OE NE aU Qa NM C d CHTFE RU EY UNE R I Id A EF R TUER FUE MEG EKE Fu EU KE KEEN KNEE KE 9 Battery Charging assi kenn ib ROGO ONE DER RR BORN RGRRURDR CER RD TR RR RTRCR TDRFRU DROP ARDT RR 12 Recharging ects e eee 13 Preparing the MVE TOR USE civexesbund nnno denn 6 EU GLCOROIGEROGRGOL POR ORC oon OCC OO RU ORC NUDR a 14 Interferences uisi cuidar vx FNIT FUR EQE FI E QU EECUEI ER ETRIE CERMERE NESURI M E ELE R
10. equences 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 Ion Science 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 Page 3 of 21 Statements Warranty Standard Warranty can be extended to up to 2 years on the MVI when registering your instrument via our website www ionscience com 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 registration Contact Ion Science Limited UK Head Office USA Office German Office Ion Science Ltd Ion Science Americas LLC Ion Science Messtechnik GMBH The Way Fowlmere 33 Commercial Drive Laubach 30 Cambridge Waterbury Metmann Neandertal SG8 7UJ VT 05676 40822 UK USA GERMANY Tel 44 0 1763 207206 Tel 1 802 244 5153 Tel 49 2104 14480 Fax 44 0 1763 208814 Fax 1 802 244 8942 Fax 49 2104 144825 Email info ionscience com Email info ionscience
11. ilters 5 MVI operation manual 6 Explorer case with foam inserts 1 EE E 6 2 5 1 4 3 Page 7 of 21 Description The Mercury Vapour Indicator MVI is a compact self contained and completely portable instrument which indicates the amounts of Mercury in micrograms cubic metre The indicating digital display and carrying handle are mounted on the top cover A female luer connector is provided at the end of the instrument to accommodate a dust and water trap filter with PTFE extension probe In addition a length of flexible tubing may be connected to the filter for greater convenience when checking floor areas or gratings The internal Nickel Metal Hydride battery is rechargeable using a plug in battery charger The operating time when fully charged is greater than 6 hours Warm up time is approximately 10 minutes and direct readings are indicated on an easy to read LCD display The audible alarm provides warning of three pre defined conditions Condition Audible Signal 1 High Mercury vapour concentration greater than 20 ug m Slow pulse 1 sec 2 Negative reading from 20 to 25 ug m and lower Continuous tone 3 Low battery Fast pulse 3 sec The audible alarm is inhibited during the first 5 minutes of operation Page 8 of 21 Operating Controls The MVI indicating display and all operating controls are mounted on the front panel where they are readily accessible when the unit is held in the operating position 1
12. s water vapour Sulphur compounds and particles such as smoke There is no measurable interference from Carbon Monoxide Carbon Dioxide or Ammonia High concentrations of water vapour will give readings of between 5 to 10 uig m3 however if the MVI is zeroed at a similar humidity this will not be seen Table of some interferences at 100 ppm concentration Compound Reading in m3 Benzene 20 Toluene 35 Acetone 3 0 Ethyl Alcohol 6 0 Ethyl Acetate 3 0 Page 16 of 21 User Maintenance Filter Replacement Charcoal Zero Filter It is advised that you replace the carbon filter after exposure to contaminants as it will become saturated with use To check the condition of the filter use the following procedure a Turn the instrument ON and ensure that the LO BAT indicator does not appear b Allow the instrument to warm up for 10 minutes Zero the instrument in fresh air C Connect the charcoal filter to the MVI The reading should not increase by more than 4 ug If the reading increases by more than 4 ug then the filter must be replaced Always replace end caps to maximise life of filter PTFE Probe and Filter Assembly The MVI is supplied with a PTFE probe and luer filter This can become contaminated or loaded with dust in regular use Typical symptoms of contamination are a sluggish response to Mercury and an unstable zero If either of these symptoms occurs then the filter must be replaced Replacing the filter a
13. this manual for further information 2 Allow the instrument to run until you see a stable reading e This should happen after 3 4 minutes when operating in the 0 2000 range e Allow 10 minutes before operating in the 0 200 range 3 As soon as the reading is stable you can zero the instrument e rotate the zero adjust control knob until O00 shows on the LCD screen 4 Fit the PTFE probe and filter If you suspect you are in an area contaminated with mercury you MUST connect the charcoal filter to the inlet of the MVI before adjusting the zero control knob Due to the nature of the carbon filter case and the materials used it can give odours which will show as a small negative reading on the MVI when removed Page 14 of 21 Preparing the MVI for Use The MVI is now ready for use When using the instrument it is important to remember that Mercury is heavier than air and therefore measurement should be taken at approx 1 foot 30 cm from ground After use switch the instrument OFF and recharge the batteries if necessary Please remember the MVI may not operate correctly when LO BAT is indicated on the display Page 15 of 21 Interferences The MVI detector operates on the principle of UV light absorption There are substances other than Mercury which also cause light absorption and these substances are know as interference vapours Some of the interference vapours encountered are various hydrocarbon
14. ug m indicates the case requires some Cleaning Does the MVI detect Mercury Obtain a sample of mercury and offer this to the inlet Check that the MVI responds accordingly If the instrument does not detect any Mercury then the MVI will require servicing Page 18 of 21 Consumable Items Description Zero Filter PTFE Probe and pack of 10 filters Manual Universal Battery Charger Part Number A 31057 A 26007 26002 A 26220 Page 19 of 21 Calibration and Repair The MVI requires annual calibration to maintain the best accuracy Ion Science Ltd will calibrate the instrument against a near Primary Standard and issue a certificate of calibration If any calibration or repair work is required please return the instrument to the Service Department at Ion Science Ltd A written estimate will be provided for all work For further information please contact our Service Department on 44 0 1763 208503 or via email on service ionscience com and they will be pleased to assist you Calibration Room Page 20 of 21 Manual Lo 18 The audible alarm level information has been The audible alarm level information has been updated page 18 page 18 28 06 2011 pcd alarm factory set info has been updated page 6 amp 22 6 2012 Page 21 of 21

Mercury Vapour Indicator User Manual V1.9

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