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31

5

CALIBRATION

The instrument has been calibrated for a particular
flammable gas mixture. Where any doubt exists the
instrument should be returned to GMI or an authorised
distributor for calibration.
Four methods of calibration are possible:

•

Field Calibration. See APPENDIX B, FIELD
CALIBRATION for further details.

•

Manual Calibration. The instrument can be linked
to a PC running GMI Manual Calibration software.

•

Automatic Calibration. The GMI Auto Test Cali-
bration System allows calibration without manu-
ally changing gas cylinders. The system links to a
PC running GMI Workshop software.

•

The GMI Instrument Management System (IMS)
provides all the facilities of the Auto Test Calibra-
tion System with the added feature of instrument
database management.

Note:

The calibration systems above (hardware and

software) are manufactured by GMI. For more
details contact GMI or an authorised distributor.

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Содержание PPM Gasurveyor 500

Страница 1: ...PPM Gasurveyor 500 User Handbook...

Страница 2: ...of great value in helping us to improve our customer publications Please send any comments that you have to our Sales Department at GMI Contact details are provided inside the back cover of this handb...

Страница 3: ...be operational differences between the latest product and this manual This Handbook is an important part of the PPM Gasurveyor 500 product Please note the following points It should be kept with the...

Страница 4: ...nments are known or suspected it is recommended that more frequent response checks are carried out The chemical compounds that can cause loss of sensitivity include Silicones Lead Halogens and Sulphur...

Страница 5: ...pdated instrument options and features Issue 3 All Handbook revised to 22 03 02 incorporate effect of CR 2272 and CR 2288 Issue 4 All Handbook revised to 01 05 02 incorporate effect of CR 2305 Issue 5...

Страница 6: ...PPM GASURVEYOR 500 USER HANDBOOK iv...

Страница 7: ...AL ADVICE i SAFETY ii AREAS OF USE ii STORAGE HANDLING AND TRANSIT ii REVISION RECORD iii INTRODUCTION 1 GENERAL INFORMATION 3 Ranges of Operation 3 LEL 0 to 100 3 Volume Gas 0 to 100 4 PPM Flammable...

Страница 8: ...ERATING INSTRUCTIONS 13 Modes of Operation 13 Mode 1 14 Mode 2 14 Calibration Date Features 15 Switching Off the Instrument Pump 15 Switching Off 16 Changing Range 16 Activate the Audible Geiger Indic...

Страница 9: ...Batteries 24 Filter Replacement 26 Probe Handle Assembly Part No 13561 27 In line Dust Filter Accessory 28 In line Water Filter Accessory 29 CALIBRATION 31 Calibration Validity 32 ACCESSORIES 33 ADDIT...

Страница 10: ...ATION B 1 Selectable Ranges in FCM B 3 Entering FCM B 3 Zeroing the Instrument B 4 Field Calibration Procedure B 5 Quitting FCM B 9 Quit And Save Changes B 9 Quit Without Saving Changes B 9 OPERATING...

Страница 11: ...Million Lower Explosive Level and Volume flammable gas The instrument is designed to the latest standards and is certified for use in Hazardous Areas The PPM Gasurveyor 500 contains the following ran...

Страница 12: ...ice from your company s Purchasing Management departments highlight your particular instrument configuration The main features of the instrument are Rugged polypropylene case sealed to IP54 rating and...

Страница 13: ...displayed in the top right corner of the display as LEL From 0 to 10 LEL the digital display resolves to 0 1 LEL From 10 to 100 LEL the digital display resolves to 1 LEL The analogue bar graph follow...

Страница 14: ...y be used for measuring such mixtures To change the calibration gas e g from methane to propane the instrument must be recalibrated by suitably trained personnel On the Volume Gas range the instrument...

Страница 15: ...a manual zeroing procedure The ppm range has the option of using a threshold By this we mean that we can display either a blank screen or simply a zero 0 on the display up to a pre set level This allo...

Страница 16: ...PPM and Aud if enabled as shown in Figure 2 3 Figure 2 3 PPM Range Threshold Display Options The ppm range will by default if a threshold is selected display below the threshold as zero 0 on the scre...

Страница 17: ...ed in this range is higher which is apparent from the increased sound from the pump The Search range by default has the audible and visual Geiger indication configured which provides indication of gas...

Страница 18: ...ease the audible level A further press and hold of Button Two will return to visual only Geiger indication Note When Search mode is selected the pump operates at an increased speed If Search mode is s...

Страница 19: ...ely 60 minutes of operating time remains at normal temperature The instrument may continue to be used until it switches off automatically Rechargeable Battery Pack The GMI rechargeable battery pack pr...

Страница 20: ...ere appropriate changed to ensure a clean sample path In the event of the SAMPLE FAULT flag becoming activated the pump should be stopped as soon as possible and the filter replaced See Filter Replace...

Страница 21: ...n good condition The batteries have sufficient power left in them for the intended use of the instrument Any filters are clean and in good condition The sample line and any other accessories are in go...

Страница 22: ...PPM GASURVEYOR 500 USER HANDBOOK 12...

Страница 23: ...The instrument has two modes of operation which are accessed by switching the instrument ON with either Button One or Button Two as shown in Figure 3 1 PPM GASURVEYOR 500 ON OFF PUMP ON OFF INST RANGE...

Страница 24: ...in Search or PPM range when instrument is switched on in normal mode Mode 2 Switching ON with Button Two provides full autorange mode which following warm up cycle automatically changes range between...

Страница 25: ...tion Date The re calibration interval pre set for all PPM Gasurveyor 500 instruments is twelve 12 months This period can be altered as an option however you should ensure that the instrument is always...

Страница 26: ...tch off time may be altered to any time between 1 and 1000 minutes Changing Range Each single press of Button Two changes the range selected The display cycles through the available ranges in the orde...

Страница 27: ...ton Two zeroes the ppm range This should be carried out in fresh air and may take a few minutes to reach the optimum zero stability The display in Figure 3 4 occurs if a large adjustment is needed to...

Страница 28: ...ff Switch On Instrument in normal mode Switch On Instrument in full autorange mode Enable Disable or increase level of audible Geiger Operator Messages Fault Flags Various messages can appear on the L...

Страница 29: ...ZERO FAULT This indicates that the zero is outwith its calibration limits Switch the instrument off and then on again in fresh air If the fault does not clear leave the instrument on for a period of...

Страница 30: ...require replacing EEE EEE is displayed if the measurement in the Search or ppm ranges rises above 999 instrument over range The ppm range auto ranges to LEL Volume gas and hence does not show this mes...

Страница 31: ...attery chargers are available from GMI a Standard Charger a Flatbed Charger and a Smart Charger Standard Charger The GMI Standard Charger takes approximately 14 hours to charge a flat battery Note The...

Страница 32: ...pack to be charged in NORMAL mode which takes approximately 14 hours to charge a flat battery The Mode Select Switch can then be set to STAND BY where a trickle charge will maintain the battery in a f...

Страница 33: ...nutes and fully recharged in 120 minutes To ensure optimum life length the rechargeable pack should be fully discharged and charged on a regular basis of at least every three months The Smart Charger...

Страница 34: ...is fully discharged on a regular basis once every three months This can be done by running the instrument continuously or using the battery conditioning facility on the Smart Charger The batteries can...

Страница 35: ...s Caution Under no circumstances should rechargeable batteries be fitted in place of Alkaline batteries 5 Insert four new batteries observing correct polarity indication in battery compartment base 6...

Страница 36: ...ed If a blockage occurs the SAMPLE FAULT indicator is displayed Check the sample line and probe handle for blockage Press Button One to clear the SAMPLE FAULT message Replace the instrument filter if...

Страница 37: ...Use a coin once again turning in a clockwise di rection to tighten the nozzle in the instrument in let Note Care must be taken not to overtighten the inlet nozzle Probe Handle Assembly Part No 13561 F...

Страница 38: ...blockage Press Button One to clear the SAMPLE FAULT message Replace the filter if the message does not clear In line Dust Filter Accessory To replace the Dust Filter in the Dust Filter Housing assemb...

Страница 39: ...mbly In line Water Filter Accessory To replace the Hydrophobic Filter in the Water Filter Housing assembly proceed as follows 1 Unscrew the filter housing assembly Figure 4 4 Water Filter Housing Asse...

Страница 40: ...and Probe Sealing Washer for signs of damage or wear and replace if necessary 4 Fit new Hydrophobic Filter Note The filter should be installed with the yel low label on the filter facing the yellow l...

Страница 41: ...ent can be linked to a PC running GMI Manual Calibration software Automatic Calibration The GMI Auto Test Cali bration System allows calibration without manu ally changing gas cylinders The system lin...

Страница 42: ...expected This is no guarantee however as the precise application of the product is unknown to GMI Individual codes of practice may dictate shorter periods Regular checking establishes a pattern of rel...

Страница 43: ...le Line x 1 5 metres 4ft 10ins approx 13561 Probe Handle 13562 Probe Handle Adaptor use with 13563 or 13565 13563 Bellows Cup Probe 10077 Cotton Particulate Filters Box of 10 x 2 42142 User Handbook A...

Страница 44: ...12241 220V Power Supply Australian Plug 13100 Smart Charger with Datalogging Software c w 240V Power Supply UK Plug 13440 Smart Charger with Datalogging Software c w 220V Power Supply Euro Plug 13340...

Страница 45: ...robe Solid End 35cm 1ft 2ins approx 13427 Plastic Probe Open End 35cm 1ft 2ins approx 13413 Stainless Steel Probe Open End 35cm 1ft 2ins approx 12895 Barbed Probe Solid End 69cm 2ft 3ins approx 12894...

Страница 46: ...essory Pack Consisting of Gas Industry Survey Carrying Case Large Probe Handle Assembly Probe Handle Adaptor Bellows Probe Note Large carrying case has space for special probes e g Swan Neck Note For...

Страница 47: ...raining Training courses are available on all our products Contact our Marketing Department for further details Tel 44 0 141 812 3211 Fax 44 0 141 812 7820 e mail sales gmiuk com World Wide Web Visit...

Страница 48: ...PPM GASURVEYOR 500 USER HANDBOOK 38...

Страница 49: ...0 to 1000 ppm 5 ppm 30 ppm 5 25 ppm LEL 0 to 10 0 1 0 5 10 to 100 1 N A 2 1 LEL Volume 0 to 100 1 2 1 1 Gas Gas Notes All the values above are at normal temperature and pressure Humidity is between 0...

Страница 50: ...o 122 o F Humidity 0 95 RH Construction Moulded polypropylene case protected to IP54 Display LCD containing Analogue display scaled 0 10 0 100 0 1000 or 0 10000 4 digit digital display 3 character ran...

Страница 51: ...Power Source 4 D size alkaline cells giving approximately 15 hours runtime at 20 o C 68 o F Rechargeble NiCd battery pack giving approximately 9 hours runtime at 20 o C 68 o F TYPICAL OPERATING PARAME...

Страница 52: ...PPM GASURVEYOR 500 USER HANDBOOK A 4...

Страница 53: ...hould be noted The gas should be of known traceable quality and have total analysis The gas should be applied in the same manner as the instrument is used e g at a known pressure which is constant and...

Страница 54: ...1 Button Functions To simplify button operation when calibrating the instrument an overlay card shown in Figure B 2 is available and can be placed over the top face of the instrument to identify cali...

Страница 55: ...initiate instrument switch off While OFF is displayed in the LCD and before the instrument actually switches off enter the access code Note Allow at least one second between button presses when enter...

Страница 56: ...tions Zeroing the Instrument Note There is no requirement to zero the Search range since this is derived from PPM 1 Enter FCM See the previous section ENTERING FCM 2 Double press Button Two to zero cu...

Страница 57: ...ge selected is compatible with the calibration gas Note A single press of Button One toggles the pump Off On 3 Remove the cap from calibration gas cylinder Make sure that the regulator valve is in the...

Страница 58: ...to decrease The correct flow rate is achieved when the ball in the indicator tube floats just above its resting position 6 Wait for the instrument gas reading to settle 7 If the displayed reading corr...

Страница 59: ...utton Two will produce small decremental changes to decrease display reading until the displayed gas value corresponds to the concentration of the calibration gas 8b When required reading has been rea...

Страница 60: ...om instrument inlet and turn regulator valve on calibration gas cylinder in a clockwise direction to turn off gas flow 11 Make sure that the regulator valve is in the fully closed position Off then di...

Страница 61: ...saved and followed by CAL mode exit the new CAL DUE date will be set to 12 months from now This can be altered to a different frequency via the set up program e g 6 months from now Contact GMI for det...

Страница 62: ...PPM GASURVEYOR 500 USER HANDBOOK B 10...

Страница 63: ...ser with a quick guide to the operation of the PPM Gasurveyor 500 instrument Each language and pages reference is as follows English pages C 2 to C 5 Deutsch German pages C 6 to C 9 Svensk Swedish pag...

Страница 64: ...e PPM Gasurveyor 500 instruments are certified as EEx iad IIC T4 20o C Tamb 50o C BAS01ATEX2292 II 2 G UL Class 1 Groups A B C and D This equipment is designed and manufactured to protect against othe...

Страница 65: ...s outwith its calibration limits Switch the instrument off and then on again in fresh air If the fault does not clear return the instrument for servicing BAT Indication that the batteries will soon re...

Страница 66: ...instrument s warm up cycle BUTTON 1 BUTTON 2 PPM GASURVEYOR 500 ON OFF PUMP ON OFF INST RANGE PPM ZERO All LCD segments are displayed followed by Instrument Type and Software version then Battery stat...

Страница 67: ...ges the gas range The display cycles through the available ranges in the order LEL GAS PPM LEL GAS etc Zeroing the PPM or Search Range A double press of Button Two zeroes the ppm range This should be...

Страница 68: ...eladen werden Sichere Befestigung vor Gebrauch pruefen Keine besch digten Batterien verwenden und grosse Hitzeeinwirkungen auf die Batterien vermeiden Nur Original GMI Ersatzteile verwenden Beim Auftr...

Страница 69: ...SAMPLE FAULT Probenleitung Filter oder Pumpe verlegt ev Wassereintritt Pumpenstop automatisch Filter Leitung etc pruefen Mit Taste 1 Pumpe wieder starten CHECK ZERO Nullpunktdrift durch Einschalten in...

Страница 70: ...d Pumpe ein und die Selbsttestphase beginnt kurz dargestellt die Instrument Type Softwareversion und der Batteriezustand Einschalten Modus 2 PPM autom Umschaltung auf LEL und weiter auf Volume Gas Tas...

Страница 71: ...Taste 2 2x Druecken setzt den Nullpunkt im ppm bzw optional Search Bereich Der Nullpunkt darf nur in Frischluft gesetzt werden um optimale Stabilitaet zu haben Geiger Signal Ein Aus Im Bereich ppm br...

Страница 72: ...r f ljas M tkammaren f r br nnbar gas r en Ex klassad enhet och f r ej ppnas d risk f r s dan gas f religger PPM Gasurveyor 500 instrument r klassat enligt EEx iad IIC T4 20o C Tamb 50o C BAS01 ATEX22...

Страница 73: ...terstarta det i ren luft ZERO FAULT Betyder att nollan ligger utanf r sin gr ns St ng av instrumentet och terstarta det i ren luft Om felet ej f rsvinner l mnas instrumentet f r service till kvalific...

Страница 74: ...nstrumentet och pumpen Detta startar en automatisk kontroll och uppv rmning av instrumentet Sl p L ge 2 PPM automatiskt v xlande till LEL till vol Gas Tryck och h ll nere knapp 2 f r att s tta p instr...

Страница 75: ...n Byte av m tomr de Ett tryck p knapp 2 ndrar m tomr det Displayen g r igenom omr dena enligt LEL vol GAS PPM LEL vol GAS etc Nollst llning av m tomr dena ppm eller l cks kning Dubbeltryck p knapp 2 n...

Страница 76: ...edure som din organisation har foreskrevet Forbr ndings kammer er brandsikker tilbeh r og m ikke bnes i almindelig atmosf re Ethvert krav i forbindelse med produkt ansvar eller f lge skade p tredje pa...

Страница 77: ...ikerer at nul gr nsen er uden for kalibrerings omr det Sluk instrumentet og t nd igen i frisk luft Hvis fejlen ikke er v k send instrumentet til service BAT Fort ller at batteriet snart l ber t r for...

Страница 78: ...ZERO T nd instrument Mode 1 LEL Volume Gas Tryk og hold nede den knap 1 s startes opvarmnings processen og pumpen Mode 2 PPM LEL Volume Gas Tryk og hold nede den knap 2 s startes opvarmnings processen...

Страница 79: ...r pumpen k rer stopper pumpen og m lingen Et tryk mere p knap 1 starter pumpen og m lingen igen Skift m ling Hvert tryk p knap 2 skifter m ling F lgende er mulig LEL gas PPM LEL gas ect Nulstille PPM...

Страница 80: ...is een brandvrij onderdeel en mag niet geopend worden in een ontvlambare atmosfeer PPM Gasurveyor 500 instrumenten zijn gecertifieerd zoals EEx iad IIC T4 20o C Tamb 50o C BAS01ATEX2292 II 2 G UL Kla...

Страница 81: ...ezigheid van gas Schakel het instrument uit en opnieuw aan in frisse lucht ZERO FAULT Indicatie dat het nulpunt buiten de kalibratielimieten valt Schakel het instrument uit en opnieuw aan in frisse lu...

Страница 82: ...voor opwarming gevolgd door het instument type en de software versie en daarna de batterij status zoals getoond Schakel AAN Mode 2 PPM autobereik tot LEL autobereik tot Volume Gas Druk op knop 2 en h...

Страница 83: ...et meten Een volgende druk schakelt de pomp weer aan Wijzig bereik Een enkele druk op knop 2 wijzigt het gas bereik De display loopt door de beschikbare bereiken in volgorde van LEL GAS PPM LEL GAS et...

Страница 84: ...C 22 GAS MEASUREMENT INSTRUMENTS LTD...

Страница 85: ...N 31 B 1 Calibration Date Features 15 Calibration Procedure B 5 Calibration Validity 32 Changing Range 16 Charger Flatbed 22 Charger Smart 22 Charger Standard 21 CHECK ZERO 19 Construction 8 A 2 COPYR...

Страница 86: ...31 In line Dust Filter 28 In line Water Filter 29 INFORMATION 3 INTRODUCTION 1 L LCD 10 LEL 3 LIABILITY i Liquid Crystal Display 10 M MAINTENANCE 21 MODIFICATION NOTICES i N Nederlands Dutch C 1 NiCd...

Страница 87: ...mpling System A 2 Save Changes B 9 Search Mode 7 Selectable Ranges in FCM B 2 B 3 Size A 2 Smart Charger 22 SOFTWARE i Stability A 1 Standard Charger 21 STORAGE ii Summary of Button Operation 18 Svens...

Страница 88: ...PPM GASURVEYOR 500 USER HANDBOOK IV...

Страница 89: ......

Страница 90: ...g the details below UK Office Keison Products P O Box 2124 Chelmsford Essex CM1 3UP England Tel 44 0 330 088 0560 Fax 44 0 1245 808399 Email sales keison co uk Please note Product designs and specific...

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