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5 Maintenance

Note:

Use of test gases not provided by SEWERIN can cause inter-

ference.

The concentration of the test gas used must match the specified

test gas concentration.

Changing the test gas concentration

If there is no test gas with the specified concentrations available

for the inspection, the values can be adjusted to the test gas

used in the adjustment menu under

Test gas

(see Section 3.3.3).

5.1.2

Carrying out the device inspection

5.1.2.1 Accessing the device inspection

The device is in measuring mode.
1. Press

Device inspection

Press

Menu

Select

Device inspection

from the menu.

The

Device inspection

menu appears.

General status

Fresh air

Gas mixture

Test gas NH3

Test gas C3H8

Test gas C4H10

Test gas C9H20

Fig. 9:

Device inspection

Содержание Multitec 520

Страница 1: ...20 04 2016 a 105779 en Multitec 520 Operating instructions ...

Страница 2: ... AL1 H2S Alarm Capacity disposable battery rechargeable battery Warning ExTox symbol Gas Current assignment of function keys F1 F3 Measured value Unit Connector Buzzer USB port ON OFF key Connection for power supply Signal light Gas input Function keys Jog dial Connector Display Supporting bracket Fig 2 Multitec 520 display ...

Страница 3: ... OK Carry out device inspection Esc Cancel Tab jump to next input field Buzzer off Clear Save Information Stop measurement Warning ExTox Capacity disposable battery rechargeable battery Open stored comment Open stored inspector ...

Страница 4: ...ury or death A CAUTION Risk of personal injury Can result in injury or a risk to health CAUTION Risk of damage to property Note Tips and important information Enumerated lists numbers letters are used for Instructions that must be followed in a specific sequence Bulleted lists bullet points dashes are used for Lists Instructions comprising only one action Numbers enclosed by forward slashes refer ...

Страница 5: ...xiting menus and menu items 10 3 1 3 Switching the device on 10 3 1 4 Differences between measuring mode and settings mode 12 3 2 Measuring mode 12 3 2 1 Accessing the menu measuring mode menu structure 13 3 2 2 Zero point 14 3 2 3 Warning ExTox 14 3 2 4 Settings 14 3 2 5 Starting stopping a measurement 15 3 2 6 Protocols 16 3 2 7 Device inspection 17 3 2 8 Gas type CxHy 17 3 2 9 Device informatio...

Страница 6: ...inspection 33 5 1 2 1 Accessing the device inspection 33 5 1 2 2 Concluding the device inspection 34 5 1 3 Testing the general status 36 5 1 3 1 Housing 36 5 1 3 2 Signals 36 5 1 3 3 Probe 37 5 1 3 4 Filter 37 5 1 3 5 Pump 37 5 1 4 Testing indication accuracy with supply of fresh air 38 5 1 5 Testing indication accuracy with supply of test gas 38 5 2 Adjustment 40 5 2 1 Scope 40 5 2 2 Test gases f...

Страница 7: ...e CH4 propane C3 H8 butane C4 H10 nonane C9 H20 57 7 5 1 2 Carbon dioxide CO2 58 7 5 2 Electrochemical sensors EC 59 7 5 2 1 Oxygen O2 59 7 5 2 2 Carbon monoxide CO 59 7 5 2 3 Hydrogen sulphide H2 S 60 7 5 2 4 Ammonia NH3 61 7 6 Technical information 62 7 6 1 Identification sticker back of device 62 7 6 2 Cleaning 62 7 6 3 Electrostatic charge 62 7 7 Accessories and consumables 63 7 8 EU declarati...

Страница 8: ...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 9: ...ith infrared sensors for measuring hydrocar bons CX HY and carbon dioxide CO2 as standard It can also be equipped with electrochemical sensors for measuring O2 H2 S CO and NH3 The infrared sensors operate on the principle of absorption via infrared active gases and the electrochemical sensors operate on the electrochemical cell principle Note These operating instructions describe the Multitec 520 ...

Страница 10: ...Methane CH4 Propane C3 H8 Butane C4 H10 Nonane C9 H20 Carbon dioxide CO2 Oxygen O2 Hydrogen sulphide H2 S Carbon monoxide CO Ammonia NH3 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...

Страница 11: ...f a device can be used for measuring nonane special probe hoses must be used TG nonane probe hose see Section 7 7 on page 63 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 after the device has suf fered an impact for example if dropped accidentally The d...

Страница 12: ...rs automatically if the level falls below the alarm threshold Operating signal The device emits a visual signal and an 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 limit values alarm thresholds the device gives a warning It ...

Страница 13: ...device features two types of sensor Infrared sensor IR Electrochemical sensor EC Application Gas Measuring range Sensor Warning ExTox CH4 0 100 LEL IR CO 0 500 ppm EC CO2 0 5 vol IR H2 S 0 100 ppm EC NH3 0 100 ppm EC O2 0 25 vol EC ...

Страница 14: ...arrying bag TG8 II2GExdeibIICT4Gb Methane CH4 Propane C3 H8 Butane C4 H10 Nonane C9 H20 Hydrogen sulphide H2 S Carbon monoxide CO Ammonia NH3 Hydrogen H2 Device with carrying bag TG8 EC type examination certificate TÜV 07 ATEX 553353 X A DANGER Risk of explosion due to sparks Only open the battery compartment outside of explo sive areas Only charge the device outside of explosive areas Only use th...

Страница 15: ... CO 3 Hydrogen sulphide H2 S 0 100 ppm 3 Tested accessories Test set SPE VOL Flexible hand probe 1 m Floating probe 2 m 6 m Probe hose TG nonane 1 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 5 on page 15 Saving protocols from the integrated...

Страница 16: ...navigate 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 e g menu item functi...

Страница 17: ...s indicated by the symbol at the top left of the display Exiting menus menu items There are generally two ways to exit open menus menu items and go back up a level Press Esc Select Exit menu item 3 1 3 Switching the device on Note Always switch the device on with fresh air Press the ON OFF key The device switches on The switching on process involves an internal check Process Test purpose Buzzer em...

Страница 18: ...H3 100 PPM CO 500 PPM H2S 100 PPM AL1 AL2 STEL LTEL 10 50 0 50 1 00 1 00 0 50 18 0 23 0 50 75 50 50 30 60 30 30 10 20 10 10 Display Symbol Warning ExTox Detectable gases Measuring range Alarm thresholds Capacity disposable battery rechargeable battery Fig 4 Overview of detectable gases and alarm thresholds The device switches to measuring mode LEL VOL VOL PPM PPM PPM 0 0 04 20 9 0 0 0 CH4 CO2 O2 N...

Страница 19: ...d 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 Danger of death due to lack of alarm signal The device only issues alarms in measuring mode As soon you access the menu alarms are no longer triggered Only change the setti...

Страница 20: ...nu Zero point Warning ExTox Settings Start measurement Protocol Device inspection Gas type CxHy Device information Exit Fig 6 Menu with submenus menu items Once you have started a measurement Start measurement in the menu becomes Stop measurement You can find detailed in formation on starting and stopping measurements in Section 3 2 5 on page 15 Protocol does not appear in the menu until you save ...

Страница 21: ...t as often as zero point deviations occur Requirements for correct setting of the zero point Device was switched on with fresh air Device continues to draw in fresh air Setting zero point manual zero point setting 1 Press Menu 2 Select Zero point from the menu The values are automatically adjusted The device returns to measuring mode 3 2 3 Warning ExTox You can access the overview of detectable ga...

Страница 22: ...can be saved with or without a comment Comment entries are saved automatically ring memory with max 10 entries Once the first comment has been entered the Open stored comments function will become available The stored measurement files can be displayed on a computer using a readout program The program is available at www sewerin com Starting a measurement 1 Press Menu 2 Select Start measurement fr...

Страница 23: ...t 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 6 Protocols You can retrieve or clear protocols of saved data under Protocol in the menu When saved the protocols are assigned to different protocol types The following prot...

Страница 24: ...on 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 8 Gas type CxHy You can temporarily change the gas type under Gas type CxHy in the menu provided the device is designed for additional gas ty...

Страница 25: ...et tings Adjustment System Alarms Date time Memory You can find information on selecting and exiting menus and menu items in Section 3 1 2 on page 10 3 3 1 Opening Settings 1 Press Menu A WARNING Danger of death due to lack of alarm signal The device only issues alarms in measuring mode As soon you access the menu alarms are no longer triggered Only change the settings outside of explosive areas a...

Страница 26: ...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 7 Otherwise the device will revert to measuring mode Adjustment System Alarms Date ti...

Страница 27: ...arning Test gas Inspection OK Exit System PIN Code Service interval Display Battery Autostart Gas type CxHy Unit LEL Device inspection Reset Language Exit Alarms Date time Memory Clear Interval Memory mode Exit Exit Measuring mode Fig 8 Settings menu structure for Multitec 520 gas type methane Note The number and names of available menu items depend on the optional additional equipment ...

Страница 28: ...cription of adjustment along with important infor mation is provided in Section 5 2 on page 41 Adjustment CxHy Used to adjust the infrared sensor for gas type Cx Hy methane CH4 propane C3 H8 butane C4 H10 nonane C9 H20 in the vol range LEL range Adjustment CO2 Used to adjust the infrared sensor for carbon dioxide CO2 in the vol range Adjustment O2 Used to adjust the electrochemical sensor for oxyg...

Страница 29: ...n proper working order This extends the service interval 3 3 4 System General information and specifications for operation are set 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 r...

Страница 30: ...e Autostart Sets the application that is automatically activated when the de vice is switched on Note For this device no function is assigned for this menu item because only the Warning ExTox application is available Gas type CxHy Used to set the gas type methane CH4 propane C3 H8 butane C4 H10 nonane C9 H20 which is automatically used when the de vice is switched on Unit LEL Used to set the unit ...

Страница 31: ... the time day month and year There are two formats available for the date 3 3 7 Memory The Memory menu is used to specify how measurement data and protocols are handled Clear Used to clear protocols The different protocol types must each be 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 6 on page 1...

Страница 32: ...ediately 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 as per 14 only certain disposable rechargeable batteries may be used Only use batteries supplied by SEWERIN Other d...

Страница 33: ...st not be less than 0 5 mm in accordance with 6 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 used...

Страница 34: ...oard power supply in the vehicle The voltage is too high for the charging process The battery should be charged at approximately room tem perature 4 2 2 Rechargeable battery maintenance If the device is not used for a long period of time it is advisable to fully discharge the battery before recharging it again A full discharging and recharging process takes approx 11 hours 8 hours to discharge 3 h...

Страница 35: ...charging mode 4 3 Battery alarm As soon as the remaining capacity of the batteries gets low a battery alarm will go off Level 1 Battery almost empty Capacity disposable battery rechargeable battery symbol flashes Audible signal one off Operating signal doubles Remaining operating time approx 15 min Level 2 Battery empty Blank display apart from Capacity disposable battery rechargeable battery symb...

Страница 36: ...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 37: ...be inspected before use at regular intervals Carry out a device inspection every day before starting work as per 1 4 8 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 general status Test of the indication accuracy with supply of fresh air Test of the indication accuracy with supply of test gas...

Страница 38: ...e results of the device inspection are stored in the device as a protocol The device inspection protocols can be opened at any time They can also be displayed on a computer using a readout program The program is available at www sewerin com The Carry out device inspection symbol appears when a device inspection is due It is visible in the display un til the complete integrated device inspection ha...

Страница 39: ... provided you have not yet concluded the device inspection 5 1 1 6 Test gases for the device inspection The following test gases can be used to check the indication ac curacy when supplying test gas Test Recommended test gases Gas mixture ExTox IR Test gas C3 H8 1 00 vol C3 H8 Test gas C4 H10 1 00 vol C4 H10 Test gas C9 H20 0 3 vol C3 H8 replacement test gas Test gas NH3 50 ppm NH3 If a gas mixtur...

Страница 40: ...e for the inspection the values can be adjusted to the test gas used in the adjustment menu under Test gas see Section 3 3 3 5 1 2 Carrying out the device inspection 5 1 2 1 Accessing the device inspection The device is in measuring mode 1 Press Device inspection OR a Press Menu b Select Device inspection from the menu The Device inspection menu appears General status Fresh air Gas mixture Test ga...

Страница 41: ...2 Concluding the device inspection After all the tests have been carried out as described in Sec tion 5 1 3 to Section 5 1 5 the Save symbol will appear in the display An integrated device inspection is concluded by saving it Up to 40 device inspections can be saved The following information can be stored along with the device inspection Inspector e g inspector s name or initials Password to prote...

Страница 42: ...irm your entry selection with OK OR Press Esc if you do not wish to enter an inspector for the device inspection 3 Enter a password a Select the characters required using the jog dial Confirm each character using the jog dial b Then confirm your entry with OK OR Press Esc if you do not wish to enter a password for the device inspection The device inspection is saved as a protocol An overview with ...

Страница 43: ...device inspection has been opened 1 Select General status from the Device inspection menu 2 Test all associated subitems as described in Section 5 1 3 1 to Section 5 1 3 5 3 Confirm the prompt General status OK by pressing Yes if all subitems show no faults during testing General status OK appears on the display This concludes the General status test 5 1 3 1 Housing Is the housing free from extern...

Страница 44: ...ns 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 it exactly as you found it 5 1 3 5 Pump The pump function is tested with a simple leak check 1 Seal the gas input After a maximum of 10 seconds ...

Страница 45: ...ot correspond to the limit values stored in the device see Section 7 3 on page 56 Move the device to another location 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 on page 40 5 1 5 Testing indication accuracy with supply of test gas The indication accuracy with supply of test gas test is part of the devic...

Страница 46: ...es the test gas you intend to use To do this press Information 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 switches back to the Dev test menu ATest gas OK message will appear 7 Repeat for further test gases if applicable Once all tests have been successfully completed the complete test...

Страница 47: ...ts 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 Note For each measuring range always adjust the zero point first fol lowed by the sensitivity ...

Страница 48: ...eplacement test gas 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 see Section 5 2 3 on page 42 Replacement test gases are suitable for adjustment even though they do not contain the...

Страница 49: ... warning Methane CH4 Carbon dioxide CO2 Oxygen O2 Hydrogen sulphide H2 S Carbon monoxide CO SEWERIN recommends a gas mixture comprising the test gas ExTox IR 2 2 vol CH4 2 0 vol CO2 40 ppm CO and 40 ppm H2 S in N2 Zero point The zero point is adjusted under Fresh air in the menu The following parameters are adjusted in a single step Zero points of CH4 CO2 H2 S and CO Sensitivity of O2 Sensitivity ...

Страница 50: ...ple test gas concentration installation date of the sensor date of last adjustment under Information The symbol appears after the corresponding Adjust ment menu item has been selected 5 2 5 1 Adjusting the zero point For all gases except oxygen O2 the zero point is adjusted follow ing the same procedure Note When adjusting the zero point of carbon dioxide CO2 a carbon dioxide filter must be used T...

Страница 51: ... point The reading shows zero 0 00 vol 0 ppm Except for Adjustment gas mixture warning the value for oxygen O2 is 20 9 vol 5 2 5 2 Adjusting the sensitivity For all gases except oxygen O2 the sensitivity is adjusted follow ing the same procedure The following resources are needed for adjusting the sensitivity Test gas Information on test gases for adjustment can be found in Sec tion 5 2 2 on page ...

Страница 52: ...m 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 release button 7 Wait at least 1 minute The displayed reading must be stable Note For Adjustment gas mixture warning all values must be stable The time required for this can vary depending on the specific gas 8 Press OK to confirm The device is adjusted The reading shows the specified value...

Страница 53: ...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 from the menu 4 Select Adjustment O2 from the menu 5 Select Zero point from the menu 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 release but...

Страница 54: ...flash 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 ...

Страница 55: ...gas mixture warning 10 Adjustment failed Test gas Check test gas 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 Check all filters probes and hose connec...

Страница 56: ... Charging 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 C3 H8 C4 H10 C9 H20 IR for CO2 Optional EC for O2 H2 S CO NH3 Adjustable gas types Methane CH4 Optional Propane C3 H8 Butane C4 H10 Nonane C9 H20 Warm up time 30 s Up to 90 s for EC PC conn...

Страница 57: ...event 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 message on display Acknowledge ment Possible for audible signal when alarm threshold AL1 is exceeded Reset ...

Страница 58: ...thresh old AL2 Reset By acknowledgement after level falls below alarm threshold AL2 By switching device off Exception for oxygen alarm AL2 is non latching AL3 Type End of measuring range Adjustable No Latching Yes Trigger Alarm threshold AL3 exceeded Indicator Audible signal Visual signal AL3 message on display Reading flashes Acknowledge ment Possible after level falls below alarm threshold AL2 R...

Страница 59: ...ime Indicator Audible signal Visual signal STEL message on display Acknowledge ment Not possible Reset By switching device off LTEL Type Main alarm long time exposure limit Adjustable No Latching Yes Trigger Sum of the concentrations of a gas is greater than the OEL over the averaging time Indicator Audible signal Visual signal LTEL message on display Acknowledge ment Not possible Reset By switchi...

Страница 60: ...alue over an averaging period of 8 hours as per 13 Gas OEL Excess factor CO2 0 50 vol 2 H2 S 5 ppm 1 CO 30 ppm 1 NH3 50 ppm 1 7 2 3 Alarm thresholds factory settings Gas AL1 AL2 AL3 STEL LTEL CH4 10 LEL 50 LEL 100 LEL C3 H8 10 LEL 50 LEL 100 LEL C4 H10 10 LEL 50 LEL 100 LEL C9 H20 10 LEL 50 LEL 100 LEL CO2 0 50 vol 1 00 vol 5 vol 1 00 vol 0 50 vol O2 18 0 vol 23 0 vol 25 vol H2 S 5 ppm 20 ppm 100 ...

Страница 61: ... Setting range 0 08 0 82 vol 0 10 0 84 vol Increment 0 02 vol 0 02 vol C9 H20 Threshold 0 07 vol 0 35 vol Setting range 0 03 0 41 vol 0 04 0 42 vol Increment 0 01 vol 0 01 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 H2 S Threshold 5 ppm 20 ppm ...

Страница 62: ...15 vol 2 20 vol 0 20 vol C3 H8 0 00 vol 0 12 vol 1 00 vol 0 16 vol C4 H10 0 00 vol 0 12 vol 1 00 vol 0 16 vol C9 H20 0 00 vol 0 06 vol 0 22 vol replacement test gas 0 3 vol C3 H8 0 06 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 H2 S 0 ppm 3 ppm 40 ppm 3 ppm CO 0 ppm 3 ppm 40 ppm 3 ppm NH3 0 ppm 5 ppm 50 ppm 5 ppm ...

Страница 63: ...le 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 mins 0 5 h at a save interval of 1 second After this data recording continues automatically in the next file Save in terval Save time for 1 file 1800 data records Save time ...

Страница 64: ...1 LEL short term stability 4 LEL long term stability 1 LEL short term stability 1 LEL long term stability 5 LEL Response times CH4 C3 H8 C4 H10 C9 H20 t50 8 s t90 14 s t50 9 s t90 17 s t50 16 s t90 120 s Temperature range 20 ºC 40 ºC Interference All hydrocarbons Cx Hy Lifetime Warranted Expected 2 years 5 years Test gases Zero point Sensitivity Fresh air 2 20 vol CH4 1 00 vol C3 H8 1 00 vol C4 H1...

Страница 65: ...0 5 vol 0 02 vol Measuring error 0 04 vol long term stability As per 2 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 2 years 5 years Test gases Zero point Sensitivity Fresh air 2 00 vol CO2 ...

Страница 66: ...ivity 100 vol CH4 or 100 vol N2 Fresh air 20 9 vol 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 Digit 5 ppm long term stability as per 2 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...

Страница 67: ...Zero point deviation 1 ppm Response time t90 30 s Decay time t10 27 s Drift 10 within 6 months Temperature range 20 ºC 40 ºC Alarm thresholds factory set tings AL1 10 ppm AL2 20 ppm AL3 100 ppm Interference at 20 ºC 100 ppm CO 1 vol H2 100 ppm NO2 Approx 1 ppm H2 S Approx 10 ppm H2 S Approx 3 ppm H2 S Lifetime Warranted Expected 2 years 3 years Test gases Zero point Sensitivity Fresh air 40 ppm H2...

Страница 68: ...ror 3 3 ppm 3 Digit Response time t90 60 s Drift 5 within 6 months Temperature range 20 ºC 40 ºC Alarm thresholds factory set tings AL1 50 ppm AL2 75 ppm AL3 100 ppm Interference at 20 ºC 20 ppm H2 approx 1 ppm NH3 Lifetime Warranted Expected 1 year 2 years Test gases Zero point Sensitivity Fresh air 50 ppm NH3 in N2 ...

Страница 69: ...ce Vapours from solvents and sub stances containing silicone can penetrate the device and damage the sensors Never clean the device with solvents petrol or cockpit spray containing silicone or similar substances 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 protected aga...

Страница 70: ...xible hand probe ZS32 10000 Floating probe ZS21 10100 Probe hose TG nonane 1 m ZZ27 20100 Probe hose TG nonane 6 m ZZ27 20600 Test set SPE VOL PP01 90101 Universal test head PP01 B1700 Gas outlet adapter MG04 Z2000 Consumables Part Order number Fine dust filter 2499 0020 Hydrophobic filter 2491 0050 Rechargeable NiMH battery 1354 0009 Disposable alkaline battery 1353 0001 Test gas ExTox IR test ga...

Страница 71: ...ty Hermann Sewerin GmbH hereby declares that the Multitec 520 fulfils the requirements of the following directives 2014 34 EU 2014 30 EU Gütersloh 2016 04 20 Dr S Sewerin General Manager The complete declaration of conformity can be found online ...

Страница 72: ...Zero point fresh air 0 04 vol Display 0 02 0 10 vol 4 2 Test gas 2 00 vol CO2 Display 1 80 2 20 vol 4 3 Visual alarm e g Y N 4 4 Audible alarm e g Y N 5 0 Oxygen O2 5 1 Zero point test gas 100 vol CH4 Display 0 5 0 5 vol 5 2 Test gas 17 5 vol Display 17 0 18 0 vol 5 3 Test gas fresh air 20 9 vol Display 20 4 21 4 vol 5 4 Visual alarm e g Y N 5 5 Audible alarm e g Y N 6 0 Carbon monoxide CO 6 1 Zer...

Страница 73: ...ir Display 3 3 ppm 8 2 Test gas 50 ppm Display 45 55 ppm 8 3 Visual alarm e g Y N 8 4 Audible alarm e g Y N 9 0 Comments Maintenance required inspection plate Lifetime sensor exceeded Adjustment repair or similar 10 0 Inspection Day Month Year Signature ...

Страница 74: ...ro point CO Display 3 3 ppm 3 5 Zero point H2S Display 3 3 ppm 3 6 Zero point NH3 Display 3 3 ppm 4 0 Test gas gas mixture 2 2 vol CH4 2 0 vol CO2 0 vol O2 40 ppm CO 40 ppm H2S 4 1 CH4 Display 2 00 2 40 vol 4 2 CO2 Display 1 80 2 20 vol 4 3 O2 Display 0 5 0 5 vol 4 4 CO Display 37 43 ppm 4 5 H2S Display 37 43 ppm 4 6 Visual alarm e g Y N 4 7 Audible alarm e g Y N 5 0 Test gas ammonia NH3 5 1 Test ...

Страница 75: ...scription of waste Allocated EWC waste code Device 16 02 13 Test gas can 16 05 05 Disposable battery rechargea ble 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 76: ...possi ble to measure more than one gas type at the same time IR Infrared sensor LEL Lower 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 Stack memory Type of data storage...

Страница 77: ... of Practice T 023 Gas Warning Devices for Explosion Protection Use and Operation Available for download at www bgchemie de 2 EN 45544 3 EN 45544 2 4 EN 45544 4 5 EN 50104 2010 6 EN 60079 7 2007 7 EN 60079 29 1 8 EN 60079 29 2 9 EN 60086 1 10 EN 61779 1 11 EN 61951 2 12 IEC 60079 20 13 TRGS 900 2006 Technical regulations for hazardous substances Occupational expo sure limits Available for download...

Страница 78: ...nspection 17 23 30 Concluding 34 Documentation 31 Frequency 30 Integrated 31 Limits 55 Opening 33 Order 32 Performing 33 Scope 30 Switching on 32 Display 23 Display contrast 23 Display illumination 23 Disposable battery 23 Replacing 29 Requirements 26 Setting the type 23 Disposal 68 E Electrostatic charge 62 Error message 48 Excess factor 53 Explosion protection Active 8 Passive 7 F Faults 48 Filt...

Страница 79: ...e 37 Protocols 16 Pump 37 R Rechargeable battery 26 Charging 27 Maintenance 27 Replacing 29 Requirements 26 Self discharge 26 Setting the type 23 Reset 23 Ring memory 24 S Sensitivity Adjusting 44 47 Sensor 6 57 Electrochemical 6 59 Infrared 6 57 Installation date 18 Service interval 22 Settings 12 14 18 Menu structure 20 Opening 18 Signal 36 Audible 5 Visual 5 Stack memory 24 STEL 53 System 22 T ...

Страница 80: ... fr sewerin sewerin fr Sewerin Ltd Hertfordshire UK Phone 44 1462 634363 www sewerin co uk info sewerin co uk SEWERIN IBERIA S L Centro de Negocios Eisenhower 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 Sp z o o ul Twórcza 79L 1 03 289 Warszawa Polska Tel 48 22 675 09 69 Faks 48 22 486 93 44 ...

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