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7 Appendix

7.5.2.2 Carbon monoxide CO

Type:

Electrochemical sensor

Measuring range:

– Lower limit

0 – 500 ppm

4 ppm

Resolution:

1 ppm

Measuring error:

±3 % / ±3 ppm (±3 digits)

±5 ppm (long-term stability) as per

/4/

Zero point deviation:

7 ppm

Response time:

< 30 s

Decay time:

< 24 s

Drift:

< 10 % within 6 months

Temperature range:

-20 ºC – +40 ºC

Interference at 20 ºC.

– 3000 ppm H

– 100 ppm NO

Approx. 1000 ppm CO

Approx. 25 ppm CO

Lifetime:

– Warranted

– Expected

24 months

36 months

Test gases:

– Zero point

– Sensitivity

Fresh air

40 ppm CO

Содержание EX-Tec HS 610

Страница 1: ...03 06 2019 a 105734 en EX TEC HS 680 660 650 610 Operating Instructions ...

Страница 2: ...r Display CH4 AL4 VOL CH4 0 1 1 0 0 10 100 10 0 90 Measurement value Capacity disposable battery rechargeable battery Selected application Bar display Alarm Unit Gas type Current assignment of function keys F1 F3 Supporting bracket Fig 1 EX TEC HS 680 device overview Fig 2 EX TEC HS 680 display EX TEC HS 680 660 650 610 ...

Страница 3: ...ero point Take sample Purge Save Stop measurement Delete Information Capacity disposable bat tery rechargeable battery Open stored comment Open stored inspector Applications Inspection above ground Structure Plants Gas measuring Measuring in bar holes Warning LEL Ethane analysis Warning ExTox Display symbols ...

Страница 4: ...injury or death A CAUTION Risk of personal injury Can result in injury or a risk to health Notice Risk of damage to property Note Tips and important information Numbered lists numbers letters are used for Instructions that must be followed in a certain order Lists with bullet points point dash are used for Lists Instructions that only involve one step Numbers between forward slashes refer to the r...

Страница 5: ...the device on 12 3 1 4 Selecting changing the application 14 3 1 5 Differences between measuring mode and settings mode 15 3 2 Measuring mode 15 3 2 1 Accessing the menu measuring mode menu structure 16 3 2 2 Zero point 17 3 2 3 Inspection above ground 18 3 2 4 Plants 19 3 2 5 Measuring in bar holes 20 3 2 6 Ethane analysis 21 3 2 6 1 General information on ethane analysis 22 3 2 6 2 Purging the d...

Страница 6: ...sposable rechargeable batteries 50 5 Maintenance 51 5 1 Device inspection 51 5 1 1 General information on the device inspection 51 5 1 1 1 Scope 51 5 1 1 2 Frequency 52 5 1 1 3 Documentation 53 5 1 1 4 Integrated device inspection 53 5 1 1 5 Order 54 5 1 1 6 Test gases for the device inspection 54 5 1 2 Performing the device inspection 56 5 1 2 1 Accessing the device inspection 56 5 1 2 2 Concludi...

Страница 7: ...upational exposure limits OEL and excess factors STEL and LTEL 75 7 2 3 Alarm thresholds factory settings 75 7 2 4 Setting ranges for gas types 76 7 3 Limit values for the device inspection 77 7 4 Memory capacity 78 7 5 Sensors 79 7 5 1 Infrared sensors IR 79 7 5 1 1 Methane CH4 propane C3 H8 butane C4 H10 for Warning LEL and Warning ExTox 79 7 5 1 2 Methane CH4 propane C3 H8 for gas measuring 80 ...

Страница 8: ...sories and consumables 85 7 8 Declaration of conformity 86 7 9 Inspection protocols 87 7 9 1 Test with individual gases 87 7 9 2 Test with gas mixture 89 7 10 Advice on disposal 91 7 11 Terminology and abbreviations 92 7 12 Referenced documents 93 8 Index 94 ...

Страница 9: ...ann Sewerin GmbH may be used when performing repairs Use only suitable battery types otherwise the device will not be explosion proof Changes or modifications to this product may only be carried out with the approval of Hermann Sewerin GmbH Use only Hermann Sewerin GmbH accessories for the product Hermann Sewerin GmbH shall not be liable for damages resulting from the non observance of this inform...

Страница 10: ...0 can be optionally fitted with a detector for ethane analysis to help you safely distinguish between natural gas and swamp gas All devices can also be individually fitted with electrochemical sensors The infrared sensors operate on the principle of absorption via infrared active gases and the electrochemical sensors operate on the electrochemical cell principle The gas sensitive semi conductor re...

Страница 11: ...nd additional equipment Methane CH4 propane C3 H8 butane C4 H10 Carbon dioxide CO2 Oxygen O2 Hydrogen sulphide H2 S Carbon monoxide CO The device must not be used for Gas analysis of technical processes Monitoring liquids The device can be used up to a temperature of 40 ºC However high temperatures reduce the lifetime of the sensors and re chargeable batteries If a device with an electrochemical s...

Страница 12: ...rophobic filter the hose does not require any other filters The device must only be tested and adjusted with test gases in well ventilated rooms or in the open air Test gases must be handled in a professional manner Always carry out a device inspection see section 5 1 after the device has suffered an impact for example if dropped accidentally The device complies with the limits of the EMC directiv...

Страница 13: ...s and swamp gas Ethane analysis Gas lines gas systems in houses enclosed spaces and shafts Warning against explosive gas concentrations through work area monitoring Warning LEL Warning against explosive and toxic gases through work area monitoring Warning ExTox In the ground Measuring the gas concentration to Determining gas dispersion detection limit Classify leaks Locating a probable gas escape ...

Страница 14: ...660 EX TEC HS 650 EX TEC HS 610 The models are suitable for the following applications Application HS 680 HS 660 HS 650 HS 610 Inspection above ground Measuring in bar holes O2 Plants Structure CO Gas measuring Warning LEL Warning ExTox CO H2 S O2 Ethane analysis standard optional ...

Страница 15: ...It disappears automatically if the level falls below the alarm threshold Operating signal When using the Warning LEL and Warning ExTox applications the device emits a visual and audible signal at regular intervals This indicates that the device is working properly Alarm The device can monitor several gases at the same time If the measured gas concentration of one or more gases exceeds spec ified l...

Страница 16: ...ion above ground CH4 1 ppm 10 vol SC IR Plants CH4 1 ppm 100 vol SC IR Measuring in bar holes CH4 0 0 100 vol IR CO2 0 30 vol IR O2 0 25 vol EC Ethane analysis CH4 Gas chroma tograph SC C2 H6 C3 H8 Structure CH4 1 ppm 100 vol SC IR CO 0 500 ppm EC Gas measuring CH4 0 0 100 vol IR Warning LEL and warning ExTox CH4 0 100 LEL IR CO 0 500 ppm EC CO2 0 5 vol IR O2 0 25 vol EC H2 S 0 100 ppm EC ...

Страница 17: ...ing bag TG8 II2GExdeibIICT4Gb Methane CH4 Propane C3 H8 Butane C4 H10 Hydrogen sulphide H2 S Carbon monoxide CO Hydrogen H2 Device with carrying bag TG8 EC type examination certificate TÜV 07 ATEX 553353 X A DANGER Risk of explosion from sparks Only ever open the battery compartment outside of explosive areas Only ever charge the device outside of explosive areas Only use the USB port outside of e...

Страница 18: ...noxide CO 0 500 ppm CO 5 Hydrogen sulphide H2 S 0 100 ppm 5 Tested accessories Test set SPE VOL Flexible hand probe 1 m Floating probe 2 m 6 m Type examination Testing institute DEKRA EXAM GmbH Certificates PFG 08 G 002 X BVS 09 ATEX G 001 X The following points were not part of the type examination Saving measurement data see section 3 2 12 Saving protocols from the integrated device inspection s...

Страница 19: ...gate the display Control Action Function ON OFF key Press Switches the device on Switches the device off Function keys F1 F2 F3 Press Variable As indicated on the display at the bottom of the screen Function keys may also have no function assigned in some cases Jog dial Turn Selects functions settings measurement data etc Modifies values Press Opens the next program lev el for example menu item fu...

Страница 20: ...at the top left of the display You can find detailed information on selecting and switching applications in section 3 1 4 Exiting menus menu items There are generally two ways to exit open menus menu items and return to the next level up Press Esc Select Back from the menu 3 1 3 Switching the device on Note Always switch the device on with fresh air 1 Press the ON OFF key The device switches on Th...

Страница 21: ... 0 PPM 10 VOL AL 4 3 PPM Fig 4 Splash screen for Inspection above ground application Display Gas type CH4 Application as symbol top left and text Inspection above ground Measuring range 0 ppm 10 vol Alarm threshold AL4 3 ppm Symbol for next application that can be selected via function key F3 Measuring in bar holes The device switches to measuring mode The device warms up The reading flashes While...

Страница 22: ... changing the application A WARNING Risk to life from using miscalibrated or faulty devices If the device is used as a gas warning instrument Warn ing LEL and Warning ExTox applications it must be regularly checked before use Carry out a device inspection each day before starting work Note You may only switch applications when the device is drawing in fresh air The current application is indicated...

Страница 23: ...s needed to take readings can be accessed from one menu Settings see section 3 3 The device settings can be changed in settings mode Infor mation about the device can also be retrieved Measurements cannot be taken in settings mode Settings are accessed via the menu in measuring mode The settings are access protected by a PIN code A WARNING Risk to life due to absence of alarm The device only issue...

Страница 24: ...ng signal does not sound the device is not safe to operate Stop using the device immediately Leave explosive areas or areas with a toxic or low ox ygen atmosphere immediately 3 2 1 Accessing the menu measuring mode menu structure In measuring mode F1 can be used to access the Menu Zero point Inspection above ground Plants Measuring in bar holes Ethane analysis Structure Gas measuring Warning LEL W...

Страница 25: ... point The zero point can be manually set under Zero point in the menu This is only necessary if the displayed fresh air measurement is not zero after the end of the warm up period Gas Content in fresh air Correct zero point on device CH4 0 vol 0 0 vol CO 0 ppm 0 ppm CO2 0 04 vol 0 04 vol O2 20 9 vol 20 9 vol The manual zero point setting is not saved The zero point can be corrected by adjustment ...

Страница 26: ... ground application via this menu item Area of use Measuring minimal gas concentrations above the ground the gas pipe or possible leakage points Symbol Unit ppm parts per million vol Measuring range Gas sensitive semiconductor 0 to 10 000 ppm Infrared sensor 1 to 10 vol Measurement data display AL4 VOL CH4 0 1 1 0 0 10 100 10 0 90 Digit for example 0 90 vol CH4 Bar graph with quasi loga rithmic sc...

Страница 27: ...ems e g gas pipes on bridges above ground inverted siphons biogas plants Locating the source of gas Finding leaks Symbol Unit ppm parts per million vol Measuring range Gas sensitive semiconductor 0 to 10 000 ppm Infrared sensor 0 1 to 100 vol Measurement data display PPM CH4 8 0 1 1 0 0 10 100 10 100 Digit for example 8 ppm CH4 Bar graph with quasi loga rithmic scale Fig 8 Plants measuring mode ...

Страница 28: ...t and classifying the leak Symbol Unit vol Measuring range Infrared sensor hydrocarbons CX HY 0 0 to 100 vol Infrared sensor carbon dioxide CO2 0 0 to 30 vol Electrochemical sensor oxygen O2 0 0 to 25 0 vol Measurement data display VOL CH4 0 60 100 0 1 0 10 VOL CO2 0 20 9VOL O2 Digit for example 0 vol CO2 20 9 vol O2 0 60 vol CH4 Bar display with quasi logarith mic scale for CH4 Fig 9 Measuring in...

Страница 29: ... Ethane analysis menu item Information about carrying out the ethane analysis can be found in section 3 2 6 3 Area of use Distinguishing between natural gas and swamp gas Symbol Unit ppm parts per million vol Measuring range Infrared sensor hydrocarbons CX HY 0 0 to 100 vol Infrared sensor carbon dioxide CO2 0 to 30 vol Electrochemical sensor oxygen O2 0 0 to 25 0 vol Gas chromatograph gas sensiti...

Страница 30: ...ne is detected it can be concluded that natural gas is present Note Ask the network operator about the composition of natural gas Request an analysis certificate Ethane can definitely be detected in natural gas at a minimum concentration of 1 vol If the concentration of ethane in natural gas is less than 0 5 vol the gas cannot be detected If the concentration falls between these two values the ana...

Страница 31: ...played measurement values In measuring mode the device displays the actual concentra tions fig 9 During the analysis the device automatically dilutes the gas sample to 1 vol to ensure optimal utilisation of the semicon ductor sensor This means The concentration ratios of all components of the gas sample are retained The maximum concentration of a gas component is 1 vol even if the actual concentra...

Страница 32: ...tion suspected Note The purge always takes 4 minutes A new ethane analysis can only be started when the purge cycle has been completed The device is in measuring mode 1 Only when detector contamination is suspected a Press Menu b Select the Purging menu item The message Purging re quired and the Take sample symbol appear A NOTICE Risk of damaging the sensor The ethane detector will be damaged if t...

Страница 33: ...asurement value the Take sample symbol appears 4 Press Take sample A message appears Note An ethane analysis takes approximately 4 minutes After Esc is used to cancel the analysis the detector must be purged see section 3 2 6 2 This purge cycle also takes 4 minutes 5 Confirm the Take sample prompt by pressing OK The gas sample is taken The Add fresh air note appears 6 Add fresh air a To do so remo...

Страница 34: ...using the jog dial Confirm each character using the jog dial OR Press Open stored comments A list of the stored com ments will appear Select the desired comment Open the comment with OK b Then confirm your entry selection with OK OR Press Esc if you do not wish to enter a comment 9 Confirm your entry with OK The comment is saved together with the protocol name date time 3 2 6 4 Evaluating an ethan...

Страница 35: ...mponents are defined as follows Symbol Gas component is Yes Definitely present Possibly present Not present Ideally the result of the ethane analysis is a curve with at least one clear steep peak fig 12 left However occasionally the analysis does not provide a clear determination of the gas com ponents present fig 12 right In such cases you must decide whether the analysis quality is sufficient An...

Страница 36: ...r quality ethane analyses to demonstrate the pres ence of natural gas Poor quality ethane analyses can exhibit the following features for example Curve does not contain any clear peaks smooth concentra tion plot Reason Residual gases from previous analyses have accumulated Corrective action Purge with test gas for example 1 vol CH4 in synthetic air OR 100 ppm C2 H6 with 1 vol CH4 in synthetic air ...

Страница 37: ...the source of gas Symbol Unit ppm parts per million vol Measuring range Gas sensitive semiconductor 0 to 10 000 ppm Infrared sensor 0 1 to 100 vol Electrochemical sensor carbon monoxide CO 0 to 500 ppm Measurement data display PPM CH4 4 0 1 1 0 0 10 100 10 100 PPM CO 0 Digit for example 0 ppm CO 4 ppm CH4 Bar display with quasi loga rithmic scale for CH4 Fig 14 Structure measuring mode ...

Страница 38: ...as measur ing application Before switching application please make sure there are no ignition sources close by Do not smoke Be extremely careful Area of use Demonstrating gas purity absence of gas in gas pipes Symbol Unit vol Measuring range Infrared sensor 0 to 100 vol Measurement data display VOL CH4 30 100 0 1 0 10 Digit for example 30 vol CH4 Bar graph with quasi logarith mic scale Fig 15 Gas ...

Страница 39: ...xplosive areas or areas with a toxic or low ox ygen atmosphere immediately Area of use Testing work environments where explosion is possible e g when working on gas pipes or gas systems Symbol Unit LEL or vol Measuring range methane CH4 Infrared sensor 0 to 100 LEL or 0 00 to 4 40 vol Measurement data display AL1 LEL CH4 14 70 80 40 50 60 90 100 0 10 20 30 Digit for example 14 LEL CH4 Bar display ...

Страница 40: ...s with a toxic or low ox ygen atmosphere immediately Area of use Warning of explosive and toxic gas concentrations as well as lack of oxygen Symbol Unit LEL methane CH4 vol carbon dioxide CO2 oxygen O2 ppm carbon monoxide CO hydrogen sulphide H2 S Measuring range methane CH4 Infrared sensor 0 to 100 LEL Measurement data display LEL VOL VOL PPM PPM 34 0 17 11 5 34 34 AL1 CH4 CO2 AL1 O2 AL1 CO AL1 H...

Страница 41: ...the device under Settings in the menu see section 3 3 3 2 12 Start stop save a measurement Depending on the application measurements will have to be saved or started and then stopped The ethane analysis is an exception see section 3 2 6 3 Application Measurement start stop save Inspection above ground Plants Measuring in bar holes Structure Gas measuring Warning LEL Warning ExTox Difference betwee...

Страница 42: ...rogram The program is available at www sewerin com Starting a measurement 1 Press Menu 2 Select Start measurement from the menu This starts the measurement plot recording The measurement plot recording must always be concluded with Stop measurement Stopping a measurement 1 Press Stop measurement OR a Press Menu b Select Stop measurement from the menu 2 Answer Yes to the warning prompt 3 Enter a co...

Страница 43: ...al OR Press Open stored comments A list of the stored com ments will appear Select the desired comment Open the comment with OK b Then confirm your entry selection with OK OR Press Esc if you do not wish to enter a comment for the measurement The measurement is saved as a protocol The protocol name is formed from the date time and comment 3 2 13 Protocols You can retrieve or clear protocols of sav...

Страница 44: ...nspection depends on the applica tion see section 5 1 1 2 If the integrated device inspection is switched on the device will remind you to perform a device inspection The Device inspection symbol will appear when the inspection is due It is visible in the display until the complete integrated device inspection has been carried out successfully 3 2 15 Gas type CxHy You can temporarily change the ga...

Страница 45: ...Settings Adjustment System Alarms Date time Memory You can find information on selecting and exiting menus and menu items in section 3 1 2 3 3 1 Opening settings 1 Press Menu A WARNING Risk to life due to absence of alarm The device only issues alarms in measuring mode As soon you open the menu alarms are no longer triggered Only adjust settings in areas where there is no risk of explosion and whe...

Страница 46: ... active digit is always displayed with a black background Digit To change To confirm 1st digit Turn the jog dial Press the jog dial 2nd digit Press the jog dial 3rd digit Press the jog dial 4th digit If the PIN code has been entered correctly the Settings menu will appear once the last digit has been confirmed fig 18 Otherwise the device will revert to measuring mode Adjustment System Alarms Date ...

Страница 47: ...asuring Test gas Inspection OK Exit System PIN Code Service interval Display Battery Autostart Gas type CxHy Unit LEL PPM multiplicator Device inspection Reset Language Exit Alarms Date time Memory Clear Interval Memory mode Exit Exit Measuring mode Fig 19 Settings menu structure for EX TEC HS 680 gas type meth ane Note The number and names of available menu items depend on the device model and op...

Страница 48: ...he open air A detailed description of adjustment along with important infor mation is provided in section 5 2 Adjustment CxHy ppm Used to adjust the gas sensitive semiconductor for gas type Cx Hy methane CH4 propane C3 H8 butane C4 H10 in the ppm range Applications Inspection above ground Ethane analysis Plants Structure Adjustment CxHy Used to adjust the infra red sensor for gas type Cx Hy methan...

Страница 49: ...stment H2S Used to adjust the electrochemical sensor for hydrogen sulphide H2 S in the ppm range Application Warning ExTox Adjustment CO Used to adjust the electrochemical sensor for carbon monox ide CO in the ppm range Application Warning ExTox Adjustment gas mixture warning Used to adjust the infrared and electrochemical sensors for all components of the test gas gas mixture Applications Warning...

Страница 50: ...in the System menu PIN code Used to change or reset the PIN code Note If you lose the PIN code you must contact SEWERIN Service If the PIN code is set to 0000 you will not be asked to enter it The settings can then be accessed by anyone Service interval Specifies the regular inspections maintenance required for the device You can also activate the automatic switch off function once the set interva...

Страница 51: ...ets the gas type methane CH4 propane C3 H8 butane C4 H10 which is automatically used when the device is switched on Unit LEL Used to set the unit of measurement Only applies to Warning LEL and Warning ExTox applications PPM multiplicator Set the amplification factor for the lower ppm range Measurement x factor displayed measurement Application Inspection above ground Device inspection Used to swit...

Страница 52: ...ructure Warning LEL Warning ExTox AL2 alarm Used to set the main alarm Applications Plants Structure Warning LEL Warning ExTox AL4 alarm Used to set the alarm threshold in excess of significant gas con centrations which indicate a gas leak Application Inspection above ground 3 3 6 Date time Used to set the time day month and year There are two formats available for the date 3 3 7 Memory The Memory...

Страница 53: ...e cleared separately All protocols in one protocol type are cleared at once You can find information on clearing individual protocols in sec tion 3 2 13 Interval Sets the interval at which measurement data is automatically saved Memory mode Switches between ring memory and stack memory ...

Страница 54: ...mmediately Clean the battery compartment and if necessary the device before inserting the new disposable recharge able batteries 4 1 Suitable disposable rechargeable battery types A WARNING Risk of explosion due to unsuitable bat teries To ensure that the device remains explosion proof in ac cordance with 16 only certain disposable rechargeable batteries may be used Only use batteries supplied by ...

Страница 55: ...ust not be less than 0 5 mm in accordance with 8 The rechargeable batteries must be fast charging I 1 25 A and remain within the temperature range Note A device operated with disposable alkaline batteries cannot be charged A note to this effect is shown on the display 4 2 Operation with rechargeable batteries The operating time of the device depends on the battery capacity If the device is not use...

Страница 56: ...on proof Only ever charge the device outside of explosive areas For charging you will need either AC DC adapter M4 Vehicle cable M4 Please note the following points The device or docking station must not be directly connected to a 24 V on board power supply in the vehicle The voltage is too high for the charging process The battery should be charged at approximately room tem perature Several TG8 d...

Страница 57: ...Only ever charge the device outside of explosive areas Connect the device switched on to the power supply via the side connection OR Place the device switched on into the docking station The rechargeable batteries will be fully discharged Once the device has been discharged it will automatically switch to charging mode 4 3 Battery alarm As soon as the remaining capacity of the batteries gets low a...

Страница 58: ...ernately a short way this ensures that the battery compartment does not twist 2 Lift out the battery compartment 3 Remove the disposable rechargeable batteries and insert new ones Ensure that the batteries are inserted with the correct polarity 4 Replace the battery compartment so it fits neatly into place and secure firmly with the screws 5 When you switch the device back on again you will be ask...

Страница 59: ...ng miscalibrated or faulty devices If the device is used as a gas warning instrument Warn ing LEL and Warning ExTox applications it must be regularly checked before use Carry out a device inspection each day before starting work as per 1 2 6 10 5 1 Device inspection 5 1 1 General information on the device inspection 5 1 1 1 Scope The device inspection includes the following tests Analysis of the g...

Страница 60: ...e integrated device inspection is switched on the device will remind you to perform a device inspection The applications are grouped together for the device inspection The device inspection must be performed separately for each group Devices with multiple gas types For devices that are designed for multiple gas types the device inspection must be carried out for the gas type currently being used T...

Страница 61: ...a protocol The device inspection protocols can be opened at any time see section 3 2 13 They can also be displayed on a computer using a readout program The program is available at www sewerin com The Perform device inspection symbol appears when a device inspection is due It is visible in the display until the complete integrated device inspection has been car ried out successfully for the select...

Страница 62: ...he device inspections and the associated tests for the applications groups that are due to be inspected in any order you wish You can repeat the tests as often as you wish provided you have not yet concluded the device inspection for a group 5 1 1 6 Test gases for the device inspection The following variables depend on the application Number of tests with test gas Test gases to be used ...

Страница 63: ... IR Test gas C3H8 1 vol C3 H8 Test gas C4H10 1 vol C4 H10 Ethane analysis Test gas 50 100 PPM C2H6 100 ppm C2 H6 in 1 vol CH4 balance syn thetic air in synthetic air If a test can be carried out either with a gas mixture or with an individual gas SEWERIN recommends you use the gas mixture If a gas mixture is used but the device is equipped for other gas types and gases which are not contained in t...

Страница 64: ...nspection OR a Press Menu b Select Device inspection from the menu The Device inspection menu appears Inspection above ground Bar holes measuring Structure Plants Warning Ethane analysis Fig 20 Device inspection menu 2 Selecting an application group The Dev Test menu appears 3 Select a test under General status Fresh air Test gas Note The number and names of the available menu items depend on the ...

Страница 65: ...ax 10 entries Once the first inspector has been entered the Open stored inspectors function will become available 1 Press Save 2 Enter the name of the inspector a Select the characters required using the jog dial Confirm each character using the jog dial OR Press Open stored inspectors A list of the stored in spectors will appear Select the desired inspector Open the inspector with OK b Then confi...

Страница 66: ...eneral status test is part of the device inspection see sec tion 5 1 1 1 It is based on estimations by the user The following must be tested Housing Signals Probe Filter Pump The battery charge status and the working condition of the controls are automatically tested during the integrated device inspection The device inspection has been opened 1 Select General status from the Dev Test menu 2 Test ...

Страница 67: ... This indicates that the probe hose is in good condition 5 1 3 4 Filter The fine dust filter is located behind the gas input It is tested by means of a visual inspection 1 Unscrew the gas input 2 Remove the fine dust filter 3 Check that there is no dirt in the fine dust filter As soon as there are any signs of deposits the filter must be replaced If you do not replace the filter you must reinsert ...

Страница 68: ... Status OK message does not appear within a reasonable amount of time the air inflow does not correspond to the limit values stored in the device see section 7 3 Move the device somewhere else and repeat the test If the Status OK message still does not appear when the test is repeated the device must be re adjusted see section 5 2 5 1 5 Testing indication accuracy with supply of test gas The indic...

Страница 69: ...ation Note When testing the indication accuracy for Inspection above ground using test gas 10 ppm in 10 seconds it is not possible to check the test gas concentration Instead a message will ap pear explaining what steps need to be carried out 3 Add the test gas 4 Wait until the displayed readings are stable A Status OK message will appear 5 Press OK to confirm 6 Stop the test gas supply The device...

Страница 70: ...th due to incorrect adjust ment Incorrect adjustment can lead to incorrect measurement results This means that the user may not be warned about dangerous gas concentrations in time Only specialist technicians may perform adjustments Adjustments must be made in well ventilated rooms or in the open air 5 2 1 Scope Adjustments must be made separately for each measuring range Zero point Sensitivity No...

Страница 71: ...xture 2 0 vol CO2 20 vol CO2 H2 S Fresh air Gas mixture 40 ppm H2 S O2 Gas mixture free from O2 100 vol CH4 Fresh air in synthetic air If more than one test gas can be used to adjust a gas it does not have to be adjusted with all test gases However adjusting with more than one test gas increases the measurement quality Every gas must be adjusted separately Except for adjustment with a gas mixture ...

Страница 72: ...as ExTox IR 2 2 vol CH4 2 0 vol CO2 40 ppm CO and 40 ppm H2 S in N2 Gases which can be adjusted simultaneously with a SEWERIN gas mixture Test gas ExTox IR Menu item Adjustment gas mixture warning Test gas 60 vol CH4 20 vol CO2 in N2 Menu item Adjustment gas mixture gas measuring Methane CH4 Carbon dioxide CO2 Oxygen O2 Hydrogen sulphide H2 S Carbon monoxide CO Methane CH4 Carbon dioxide CO2 Oxyge...

Страница 73: ...and Structure Plants groups you must apply a conditioner SEWERIN recommends applying separate conditioners for methane CH4 on the one hand and propane C3 H8 butane C4 H10 on the other The conditioner must already be connected during the run ning in period 5 2 5 Performing the adjustment The zero point and sensitivity are adjusted following the same procedure for all gases The adjustment of oxygen ...

Страница 74: ...ment gas mixture warning 5 Wait at least 1 minute The displayed reading must be stable Note For Adjustment gas mixture warning and Adjustment gas mixture gas measuring all values must be stable The time required for this can vary depending on the specific gas 6 From the menu select the method you wish to use to adjust the zero point e g for Adjustment CH4 Zero point e g for Adjustment gas mixture ...

Страница 75: ... Select Adjustment menu item 4 Select the desired adjustment for example Adjustment CH4 Adjustment gas mixture warning 5 Select the menu item that specifies the sensitivity to be tested e g for Adjustment CH4 2 20 VOLCH4 e g for Adjustment gas mixture warning Gas mixture Do not confirm with OK yet 6 Press and hold the release button on the test set The test gas is added Do not let go of the releas...

Страница 76: ...r adjusting the zero point of oxygen Test gas Information on test gases for adjustment can be found in sec tion 5 2 2 Test set for the supply of test gas e g SPE VOL Note Details of how to use the test set can be found in the accompa nying operating instructions 1 Connect the device to the test set 2 Open Settings 3 Select Adjustment menu item 4 Select Adjustment O2 menu item 5 Select Zero point m...

Страница 77: ...h 6 Select 20 9 VOL fresh air from the menu select and confirm with OK This adjusts the sensitivity The reading shows 20 9 vol 5 3 Servicing The device must only be serviced and repaired by SEWERIN Service Send the device to SEWERIN for repairs and for annual main tenance Note If there is a service agreement in place the device can be ser viced by the mobile maintenance service The inspection plat...

Страница 78: ...xHy adjustment CO2 adjustment gas mixture 10 Adjustment failed Test gas Check test gas concentration 11 Zero point Adjustment required Adjustment required 52 XFLASH SEWERIN Service Error can only be corrected by SEWERIN Service 59 Error unknown SEWERIN Service Error can only be corrected by SEWERIN Service 62 IR sensor Error can only be corrected by SEWERIN Service 100 Pump error Probe filter Chec...

Страница 79: ...ng voltage 12 V DC max 1 A Operating temperature 20 ºC 40 ºC Storage temperature 25 ºC 60 ºC Pressure 950 1100 hPa Permissible relative humidity 5 90 r h non condensing Sensors IR for flammable gases CH4 C3H8 C4H10 IR for CO2 optional EC for O2 H2S CO Adjustable gas types Methane CH4 optional Propane C3H8 Butane C4H10 Warm up time 30 s Up to 90 s for EC Up to 5 min for gas sensitive semiconductor ...

Страница 80: ... of a pre alarm it may be sufficient to ventilate thoroughly In the event of a main alarm it may be necessary to leave the danger zone immediately 7 2 1 Features AL1 Type Pre alarm Adjustable Yes Latching No Trigger Alarm threshold AL1 exceeded Indicator Audible signal Visual signal AL1 notification on display Acknowledge ment Possible for audible signal when alarm threshold AL1 is exceeded Reset ...

Страница 81: ...thresh old AL2 Reset By acknowledgement after level falls below alarm threshold AL2 By switching device off Exception for oxygen alarm AL2 is not latching AL3 Type End of measuring range Adjustable No Latching Yes Trigger AL3 alarm threshold exceeded Indicator Audible signal Visual signal AL3 notification on display Reading flashes Acknowledge ment Possible after level falls below alarm threshold ...

Страница 82: ...Trigger Sum of the concentrations of a gas is greater than the product of the OEL and the excess factor over the averaging time Indicator Audible signal Visual signal STEL notification on display Acknowledge ment Not possible Reset By changing to another application By switching device off LTEL Type Main alarm Long Time Exposure Limit Adjustable No Latching Yes Trigger Sum of the concentrations of...

Страница 83: ... LTEL is obtained from the OEL over an averaging period of 8 hours as per 15 Gas OEL Excess factor CO2 0 50 vol 2 H2S 5 ppm 1 CO 30 ppm 1 7 2 3 Alarm thresholds factory settings Gas AL1 AL2 AL3 AL4 STEL LTEL CH4 10 LEL 50 LEL 100 LEL 3 ppm C3H8 10 LEL 50 LEL 100 LEL 3 ppm C4H10 10 LEL 50 LEL 100 LEL 3 ppm CO2 0 50 vol 1 00 vol 5 vol 1 00 vol 0 50 vol O2 18 0 vol 23 0 vol 25 vol H2S 5 ppm 20 ppm 10...

Страница 84: ...ange 0 08 1 00 vol 0 10 1 02 vol Increment 0 02 vol 0 02 vol C4H10 Threshold 0 14 vol 0 7 vol Setting range 0 08 0 82 vol 0 10 0 84 vol Increment 0 02 vol 0 02 vol CO2 Threshold 0 5 vol 1 0 vol Setting range 0 1 4 99 vol 0 11 5 0 vol Increment 0 01 vol 0 01 vol O2 Threshold 18 0 vol 23 0 vol Setting range 0 5 20 5 vol 21 2 25 0 vol Increment 0 1 vol 0 1 vol H2S Threshold 5 ppm 20 ppm Setting range...

Страница 85: ...ation Deviation Specification Deviation CH4 0 00 vol 0 15 vol 2 20 vol 0 20 vol C3H8 0 00 vol 0 12 vol 1 00 vol 0 16 vol C4H10 0 00 vol 0 12 vol 1 00 vol 0 16 vol CO2 0 04 vol 0 06 vol 2 00 vol 0 20 vol O2 0 vol 0 5 vol 20 9 vol 0 5 vol H2S 0 ppm 3 ppm 40 ppm 3 ppm CO 0 ppm 3 ppm 40 ppm 3 ppm ...

Страница 86: ...e A file is saved after each Start measurement Stop meas urement cycle regardless of whether the memory capacity is exhausted Each file has a maximum memory capacity of 1800 data records This means that a file can record data for 30 min 0 5 h at a save interval of 1 second After this data recording continues automatically in the next file Save interval Save time for 1 file 1800 data records Save t...

Страница 87: ...ange 0 100 LEL Measuring error CH4 C3H8 As per 9 1 LEL short term stability 4 LEL long term stability 1 LEL short term stability 1 LEL long term stability Response times CH4 C3H8 C4H10 t50 8 s t90 14 s t50 9 s t90 17 s Temperature range 20 ºC 40 ºC Interference All hydrocarbons CxHy Lifetime Warranted Expected 2 years 5 years Test gases Zero point Sensitivity Fresh air 2 20 vol CH4 1 00 vol C3H8 1...

Страница 88: ...Warranted Expected 2 years 5 years Test gases Zero point Sensitivity Fresh air 100 vol 7 5 1 3 Carbon dioxide CO2 for warning ExTox Type Infrared sensor Measuring range Lower limit 0 5 vol 0 02 vol Measuring error 0 04 vol long term stability As per 4 Zero point deviation 0 04 vol Response time t90 20 s Decay time t10 14 s Temperature range 20 ºC 40 ºC Interference None Lifetime Warranted Expected...

Страница 89: ...ears 5 years Test gases Zero point Sensitivity Fresh air 20 vol CO2 7 5 2 Electrochemical sensors EC 7 5 2 1 Oxygen O2 Type Electrochemical sensor Measuring range 0 25 vol Resolution 0 1 vol Measuring error 3 0 3 vol 3 digits Response time t90 15 s Drift 2 within 3 months Temperature range 20 ºC 40 ºC Interference None Lifetime Warranted Expected 2 years 3 years Test gases Zero point Sensitivity 1...

Страница 90: ...m 3 digits 5 ppm long term stability as per 4 Zero point deviation 7 ppm Response time t90 30 s Decay time t10 24 s Drift 10 within 6 months Temperature range 20 ºC 40 ºC Interference at 20 ºC 3000 ppm H2 100 ppm NO Approx 1000 ppm CO Approx 25 ppm CO Lifetime Warranted Expected 24 months 36 months Test gases Zero point Sensitivity Fresh air 40 ppm CO ...

Страница 91: ...100 ppm Interference at 20 ºC 100 ppm CO 1 vol H2 100 ppm NO2 Approx 1 ppm H2S Approx 10 ppm H2S Approx 3 ppm H2S Lifetime Warranted Expected 2 years 3 years Test gases Zero point Sensitivity Fresh air 40 ppm H2S 7 5 3 Gas sensitive semiconductor Methane CH4 propane C3H8 Type Gas sensitive semiconductor Measuring range 0 1 vol Resolution 1 ppm 2 ppm 20 ppm 200 ppm Measuring error 30 Alarm threshol...

Страница 92: ...sing surface Fumes from solvents and substances containing silicone can get into the device and damage the sensors Never use solvents petrol cockpit sprays containing silicone or similar substances to clean the device 7 6 3 Electrostatic charge Avoid electrostatically charging the device Electrostatically un earthed objects e g including metallic housing without an earth connection are not protect...

Страница 93: ... ZS21 10100 Probe hose ZS25 10000 e g Test set SPE VOL PP01 90101 Test set SPE DUO PP01 60001 Test case kit PPM ZP03 12001 Test plate ZP06 10000 Consumables Part Order number Fine dust filter 2499 0020 Hydrophobic filter 2491 0050 Carbon dioxide filter ZG02 11000 Hose filter 2499 0010 Special filter element 2499 0005 Rechargeable NiMH battery 1354 0009 Disposable alkaline battery 1353 0001 Test ga...

Страница 94: ...mann Sewerin GmbH hereby declares that the EX TEC HS 680 660 650 610 system fulfils the requirements of the fol lowing guidelines 2014 34 EU 2014 30 EU Gütersloh 2016 04 20 Dr S Sewerin CEO The complete declaration of conformity can be found online ...

Страница 95: ... 10 seconds 4 0 Structure 4 1 Zero point Display with fresh air 4 2 Test gas 1 00 vol CH4 Display 0 80 1 20 vol 5 0 Plants 5 1 Zero point Display with fresh air 5 2 Test gas 2 20 vol CH4 Display 2 00 2 40 vol 6 0 Warning LEL work area monitoring 6 1 Zero point Display 3 3 LEL or Display 0 15 0 15 vol 6 2 Test gas 50 LEL 2 20 vol CH4 Display 45 55 LEL or Display 2 00 2 40 vol 6 3 Visual alarm e g Y...

Страница 96: ...s 17 5 vol Display 17 0 18 0 vol Test gas fresh air 20 9 vol Display 20 4 21 4 vol 10 2 Carbon monoxide CO Zero point fresh air Display 3 3 ppm Test gas 40 ppm Display 37 43 ppm 10 3 Hydrogen sulphide H2S Zero point fresh air Display 3 3 ppm Test gas 20 ppm Display 17 23 ppm Test gas 40 ppm Display 37 43 ppm 11 0 Ethane analysis optional 11 1 Test gas 50 ppm C2H6 in synth air CH4 No C2H6 Yes C3H8 ...

Страница 97: ... 3 0 Inspection above ground 3 1 Zero point Display with fresh air 3 2 Test gas 10 ppm CH4 Display 10 ppm in 10 seconds 4 0 Structure Plants 4 1 Zero point Display with fresh air 4 2 Test gas 1 00 vol CH4 Display 0 80 1 20 vol 5 0 Warning LEL Warning ExTox test gas fresh air 5 1 Zero point CH4 Display 3 3 LEL or Display 0 15 0 15 vol 5 2 Zero point CO2 0 04 vol Display 0 02 0 10 vol 5 3 Fresh air ...

Страница 98: ...2S 40 ppm Display 37 43 ppm 6 6 Visual alarm e g Y N 6 7 Audible alarm e g Y N 7 0 Bar holes measuring 7 1 Zero point CH4 CO2 Display 0 3 0 3 vol 7 2 Test gas 60 vol CH4 Display 98 102 vol 7 3 Test gas 20 0 vol CO2 Display 18 0 22 0 vol 8 0 Ethane analysis Test gas 100 ppm C2H6 1 vol CH4 CH4 Yes C2H6 Yes C3H8 No 9 0 Comments Housing damaged Adjustment repair Inspection at factory or similar 10 0 I...

Страница 99: ...scription of waste Allocated EWC waste code Device 16 02 13 Test gas can 16 05 05 Disposable battery re chargeable battery 16 06 05 End of life equipment Used equipment can be returned to Hermann Sewerin GmbH We will arrange for the equipment to be disposed of appropriately by certified specialist contractors free of charge ...

Страница 100: ...Explosion Limit LTEL Long time exposure limit NiMH Nickel metal hydride OEL Occupational exposure limit ppm Parts per million Ring memory Type of data storage in the device If the available storage space is full the oldest file is automatically overwritten by the current file SC Gas sensitive semiconductor Stack memory Type of data storage in the device If the available storage space is full you a...

Страница 101: ...ution for the raw materials and chemical industry Leaflet T 023 DGUV Information 213 057 Gas Warning Devices for Explosion Protection Use and Operation Available for download at www brgci de 3 DVGW G 465 4 M 2019 Equipment technology for the inspection of gas pipelines and gas systems Available for download at www dvgw de 4 EN 45544 5 EN 45544 2 6 EN 45544 4 7 EN 50104 2010 8 EN 60079 7 2007 9 EN ...

Страница 102: ...les 85 D Date 44 Delete 45 Device models 6 switching off 11 switching on 11 Device information 37 Device inspection 36 43 51 accessing 56 concluding 57 documentation 53 frequency 52 integrated 53 limits 77 order 54 performing 56 scope 51 switching on 53 Display 42 Display contrast 42 Display illumination 42 Disposable battery 43 replacing 50 requirements 47 setting the type 43 Disposal 91 E Electr...

Страница 103: ...suring mode 15 menu structure 16 Memory 44 78 Memory mode 45 Menu 12 16 accessing 16 exiting 12 selecting 12 Menu item exiting 12 selecting 12 Menu structure 16 39 O Occupational exposure limit 75 OEL 75 Operating signal 7 Operation 11 Oxygen 68 P PIN code 37 42 Plants 29 Power supply 46 PPM multiplicator 43 Probe 59 Protocols 35 Pump 59 R Rechargeable battery 47 charging 48 maintenance 49 replaci...

Страница 104: ...59 audible 7 visual 7 Stack memory 45 STEL 75 Structure 29 System 42 T Test gas adjustment 63 for the device inspection 54 Test gas concentration 42 changing 56 Time 44 U Unit setting 43 Use intended 3 W Warning ExTox 32 Warning LEL 31 Z Zero point 17 adjusting 66 68 ...

Страница 105: ...ower Avenida Sur del Aeropuerto de Barajas 28 Of 2 1 y 2 2 28042 Madrid España Tel 34 91 74807 57 Fax 34 91 74807 58 www sewerin es info sewerin es Sewerin Portugal Lda Rua do Senhor dos Milagres 16 2º Esq 3800 261 Aveiro Portugal Tlf 351 234 133 740 Fax 351 234 024 446 www sewerin pt info sewerin pt Sewerin Sp z o o ul Twórcza 79L 1 03 289 Warszawa Polska Tel 48 22 675 09 69 Tel kom 48 501 879 44...

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