sewerin EX-TEC SR5 Operating Instructions Manual
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sewerin EX-TEC SR5 Operating Instructions Manual

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  • Page 1 Operating- Instructions 102424...
  • Page 2 Measurable success by Sewerin equipment You settled on a precision instrument. A good choice! Our equipment stands out for guaranteed safety, optimal output and efficiency. They correspond with the national and international guide-lines. These operating instructions will help you to handle the instrument quickly and competently.
  • Page 3 Design of the: EX-TEC® SR5...
  • Page 4 Notes...
  • Page 5 EX-TEC® SR 5, SR4, SR2 VARIOTEC® 8 Operating Instructions Operating Instructions Operating Instructions ......pages 3 - 52 ..pages 3 - 52 pages 3 - 52 pages 3 - 52 Operating Instructions Operating Instructions ..pages 3 - 52 102424 - 04/20.08.1999...
  • Page 6 Liability for the functioning of the appliance passes to the owner or operator in all cases in which the appliance has been improperly maintained or repaired by persons not associated with SEWERIN Service or if it has been used for a purpose not in accordance with its designated application.

  • Page 7: Table Of Contents

    Contents Contents Contents page page page Contents Contents page page For your safety For your safety ..................For your safety .................................................... 4 4 4 4 4 For your safety For your safety ..................The EX-TEC® SR5, SR4, SR2 and VARIOTEC® 8 models ..... 6 6 6 6 6 Tests .....................

  • Page 8: The Ex-Tec® Sr5, Sr4, Sr2 And Variotec® 8 Models

    The EX-TEC® SR5, SR4, SR2 and VARIOTEC® 8 models 1.0 The models models models models This family of detectors consists of a total of four combined detectors for the following uses: EX-TEC® SR5 (Ex-protected) • Gas detection Gas detection Gas detection Gas detection Gas detection above-ground gas detection for...
  • Page 9 EX-TEC® SR2 (Ex-protected) Location Location Location • Location Location concentration measurement in probe holes (vol.% range) • Gasing and inertisation Gasing and inertisation Gasing and inertisation Gasing and inertisation Gasing and inertisation concentration measurement in pipelines (vol.% range) VARIOTEC® 8 Gas detection Gas detection •...

  • Page 10: Tests

    1.1 T T T T T ests ests ests ests ests Passive explosion protection Passive explosion protection Passive explosion protection Passive explosion protection Passive explosion protection The EX-TEC® SR5, EX-TEC® SR4 and EX-TEC® SR2 models are explosion- proof in accordance with European norms (CENELEC): EC prototype test certificate: PTB 96 ATEX 2166 Classification:...

  • Page 11: Probe Systems

    1.2 Probe systems Probe systems Probe systems Probe systems Probe systems - Probes for the survey of gas distributions networks - - Probes for the survey of gas distributions networks - - Probes for the survey of gas distributions networks - - Probes for the survey of gas distributions networks - - Probes for the survey of gas distributions networks - Carpet probe...
  • Page 12 - Probes for hollow spaces - - Probes for hollow spaces - - Probes for hollow spaces - - Probes for hollow spaces - - Probes for hollow spaces - Floating probe Floating probe Floating probe Floating probe Floating probe for measuring concentrations in pits, with suction vent and hose...

  • Page 13: Measuring Operation Measuring Operation

    Measuring operation Measuring operation 2.0 Measuring operation Measuring operation Measuring operation Please fold out the illustration inside the Please fold out the illustration inside the Please fold out the illustration inside the Please fold out the illustration inside the Please fold out the illustration inside the front cover ! front cover ! front cover !

  • Page 14: Illumination And Contrast

    • display of available operating hours in the form of bars (e.g. 5 hours) • the integral pump operates at maximum power • wait until the zero point has established itself in fresh air (approx. 2-3 minutes): EX-TEC® SR5 and VARIOTEC® 8: 0 PPM 0 PPM 0 PPM...

  • Page 15: Pump Operation

    2.3 Pump operation Pump operation Pump operation Pump operation Pump operation pump button pump button • pressing the pump button pump button pump button switches the pump on and off • the corresponding symbol appears in or disappears from the LCD display (item 2) •...

  • Page 16: 2.4 Alarm Signal And Volume

    Alarm signal and volume Alarm signal and volume 2.4 Alarm signal and volume Alarm signal and volume Alarm signal and volume signal button signal button • pressing the signal button signal button signal button switches the alarm signal on and •...

  • Page 17: Switching Measuring Ranges

    • holding down the threshold value button and and repeatedly pressing one cursor button increases or reduces the alarm threshold value • this value is preserved even when the detector is switched off 2.6 Switching measuring ranges Switching measuring ranges Switching measuring ranges Switching measuring ranges Switching measuring ranges...

  • Page 18: Zero-Point Adjustment

    • repeatedly pressing one of the cursor buttons while holding down the zoom button switches manually to the required display range 2.7 Zero-point adjustment Zero-point adjustment Zero-point adjustment Zero-point adjustment Zero-point adjustment • if the detector fails to reach its zero point of 0 PPM 0 PPM...
  • Page 19 • this measuring range is used to monitor proximity to the LEL (l l l l l ower e e e e e xplosion l l l l l imit) • after approx. 8 seconds' warm- up time a stable zero point is reached •...

  • Page 20: Battery Alarm

    • the main alarm is a continuous tone quite distinct from the operating signal; continues indefinitely continues indefinitely it continues indefinitely continues indefinitely continues indefinitely and cannot be cleared • Cancelling the main alarm: Cancelling the main alarm: Cancelling the main alarm: Cancelling the main alarm: Cancelling the main alarm: switch to location operation (press...

  • Page 21: Charging Technique Charging Technique

    Charging technique Charging technique 3.0 Charging technique Charging technique Charging technique The EX-TEC® SR5, SR4, SR2 and and VARIOTEC® 8 detectors detectors detectors detectors detectors must not be recharged in an explosive gas must not be recharged in an explosive gas must not be recharged in an explosive gas must not be recharged in an explosive gas must not be recharged in an explosive gas...
  • Page 22 Spontaneous discharge Spontaneous discharge Spontaneous discharge Spontaneous discharge Spontaneous discharge If the detector is not connected to the charger when switched off, the nickel-cadmium battery spontaneously discharges, thus reducing the available operating hours. After a maximum of 30 days the detector indicator shows that there are no operating hours left, and it must be recharged.

  • Page 23: Inspection, Testing And Maintenance Inspection, Testing And Maintenance

    DVGW work sheet G 465/IV specifies that servicing and maintenance of the detectors may be carried out only by the following persons: • the SEWERIN Service Department or • an expert authorised by SEWERIN. Servicing must be carried out at least once a year. The next scheduled date must be entered on the inspection sticker attached to the detector (month/year).

  • Page 24: Test Sets

    4.1 T T T T T est sets est sets est sets est sets est sets Pump power, zero point and sensitivity should be tested with an SPE 1 SPE 1 SPE 3 SPE 3 SPE 1 SPE 1 or SPE 3 SPE 1 SPE 3 SPE 3 test set and a suitable test gas:...
  • Page 25 Pos. 2 SPE 3 SPE 3 test set, used to test: SPE 3 SPE 3 SPE 3 • pump power PPM range PPM range • zero point in the PPM range PPM range PPM range • sensitivity in the PPM range PPM range PPM range PPM range...

  • Page 26: Test Gases

    4.2 T T T T T est gases est gases est gases est gases est gases The following test gases were used to function-test the detectors: methane CH propane C EX-TEC® SR5 ppm range 10 ppm CH 100 ppm CH 1,000 ppm CH 1.00 vol.% CH %LEL range...

  • Page 27: Function Testing

    Function testing Function testing 4.3 Function testing Function testing Function testing Proceed as follows: • screw the selected test-gas bottle onto the test set as far as it will go (illustration 1/2 - item 2) • connect the detector's probe nipple (item 3) to the test set hose (illustration 1/2 - item 1) •...

  • Page 28: Adjustment Adjustment

    Adjustment Adjustment 5.0 Adjustment Adjustment Adjustment EX-TEC® SR5, SR4, SR2 and VARIOTEC® 8 detectors are factory-set for all measuring ranges. You can adjust each of the ranges using appropriate test gases (one for each range). All the following adjustment steps are shown on an All the following adjustment steps are shown on an All the following adjustment steps are shown on an All the following adjustment steps are shown on an...
  • Page 29 • once the zero point has been set, press the cursor-up button to move to the next display Display 2 - 10 ppm adjustment Display 2 - 10 ppm adjustment Display 2 - 10 ppm adjustment Display 2 - 10 ppm adjustment Display 2 - 10 ppm adjustment Now release the 10 ppm methane CH 10 ppm methane CH...
  • Page 30 Display 4 - 1,000 ppm adjustment Display 4 - 1,000 ppm adjustment Display 4 - 1,000 ppm adjustment Display 4 - 1,000 ppm adjustment Display 4 - 1,000 ppm adjustment Now release the 1,000 ppm methane CH 1,000 ppm methane CH 1,000 ppm methane CH 1,000 ppm methane CH 1,000 ppm methane CH...
  • Page 31 Display 6 - 0 %LEL adjustment Display 6 - 0 %LEL adjustment Display 6 - 0 %LEL adjustment Display 6 - 0 %LEL adjustment Display 6 - 0 %LEL adjustment Now set the zero point of the %LEL range with fresh air fresh air fresh air fresh air...
  • Page 32 Display 8 - 0 vol.% adjustment Display 8 - 0 vol.% adjustment Display 8 - 0 vol.% adjustment Display 8 - 0 vol.% adjustment Display 8 - 0 vol.% adjustment Now set the zero point of the vol.% range with fresh air fresh air fresh air fresh air...
  • Page 33 You can also set the detector to your local natural gas: • switch the pump off • admit the natural gas directly to the detector (not via the test set) and wait for the display to reach a stable value •...
  • Page 34 Display 1 Display 1 1 - %VOL 1 - %VOL range language range language Display 1 Display 1 Display 11 - %VOL 1 - %VOL 1 - %VOL range language range language range language By repeatedly pressing the on/off button you can choose between the following displays in the vol.% range: %VOL %VOL...
  • Page 35 Display 13 - LCD check Display 13 - LCD check Display 13 - LCD check Display 13 - LCD check Display 13 - LCD check With this function you can check whether all elements of the LCD display are operating normally. •...

  • Page 36: T T T T T Echnical Specifications Echnical Specifications Echnical Specifications

    6.0 T T T T T echnical specifications echnical specifications echnical specifications echnical specifications echnical specifications Maximum pointer Maximum pointer Maximum pointer Maximum pointer Maximum pointer To facilitate the comparison of different gas concentrations, the maximum pointer maximum pointer maximum value is displayed by a flashing maximum pointer maximum pointer maximum pointer.
  • Page 37 Gasing and Inertisation Gasing and Inertisation Gasing and Inertisation Gasing and Inertisation Gasing and Inertisation To carry out gasing (concentration increase to 100 vol.%) or inertisation (concentration reduction to 0 vol.%) proceed as follows: • manually select the 0...100 %VOL measuring 0...100 %VOL measuring 0...100 %VOL measuring 0...100 %VOL measuring...
  • Page 38 Static charging Static charging Static charging Static charging Static charging Generally speaking electrostatic charging should be avoided. Objects with no electrostatic earth (including, for example, metallic housings with no earth connection) are not protected from charges resulting from dust, vapour flows and the like. Fine dust filters Fine dust filters Fine dust filters...

  • Page 39: T T T T T Echnical Data Echnical Data Echnical Data

    7.0 T T T T T echnical data echnical data echnical data echnical data echnical data EX-TEC® SR5, Models Models Models Models Models EX-TEC® SR4, EX-TEC® SR2, VARIOTEC® 8 Calibration Calibration Calibration methane CH / natural gas, Calibration Calibration propane C Measuring systems Measuring systems Measuring systems...
  • Page 40 Alarm thresholds Alarm thresholds Alarm thresholds Alarm thresholds Alarm thresholds 4 ppm or 2 vol.% (variable), 20 %LEL (fixed) Dimensions Dimensions (W x H x D) (W x H x D) Dimensions Dimensions Dimensions (W x H x D) (W x H x D) (W x H x D) 129 x 192 x 65 mm Weight...

  • Page 41: Accessories Accessories

    Accessories Accessories 8.0 Accessories Accessories Accessories CHARGING TECHNIQUE HS charging adapter, 230 V mains power pack, 12 V or 24 V vehicle adapter PROBE SYSTEMS for pipeline monitoring, location, space monitoring and interior installations (see section 1.2) PROBE HOSE with hydrophobic filter and quick- release fastenings, in lengths of 1 m, 2 m and 6 m FILTER...

  • Page 42: Error Messages Error Messages

    F17, F18 ....adjustment error in %LEL range, check test gas or repeat adjustment F21 ......component error can only be rectified by SEWERIN Service F31 ......synchronisation alarm (not clearable) in WPM mode, error due to nitrogen or carbon dioxide in the gas sample;...
  • Page 43 F61 ......sensor breakage in the thermal combustion sensor: contact SEWERIN service F62, F63 ....sensor breakage in the thermal conductivity sensor: contact SEWERIN service F64 ......sensor breakage in the flow sensor: contact SEWERIN service F65 ......sensor breakage in the semiconductor sensor: contact SEWERIN service F66 ......

  • Page 44: Parts Subject To Wear Parts Subject To Wear

    10.0Wearing parts 10.0Wearing parts 10.0Wearing parts 10.0Wearing parts 10.0Wearing parts FINE DUST FILTER in the probe connection of the detectors (item 3) and in most probes HOSE FILTER in the carpet probe PROBE FILTER INSERT in the bell probe and the gas-detection probe HYDROPHOBIC FILTERS in the 1m, 2m and 6m probe hoses...
  • Page 45 EC-T EC-T ype Examination Certificate ype Examination Certificate EC-T EC-T EC-Type Examination Certificate ype Examination Certificate ype Examination Certificate...
  • Page 46 EC-T EC-T EC-T EC-T EC-Type Examination Certificate ype Examination Certificate ype Examination Certificate ype Examination Certificate ype Examination Certificate...
  • Page 47 EC-T EC-T ype Examination Certificate ype Examination Certificate EC-T EC-T EC-Type Examination Certificate ype Examination Certificate ype Examination Certificate...

  • Page 48: Ec-Tec-T

    EC-T EC-T ype Examination Certificate ype Examination Certificate EC-T EC-Type Examination Certificate EC-T ype Examination Certificate ype Examination Certificate...
  • Page 49 Declaration of Conformity EX-TEC® SR5...
  • Page 50 Declaration of Conformity EX-TEC® SR4...
  • Page 51 Declaration of Conformity EX-TEC® SR2...
  • Page 52 Declaration of Conformity VARIOTEC® 8...
  • Page 53 Sample of Inspection Sheet (Methane-Devices) Sample of Inspection Sheet (Methane-Devices) Sample of Inspection Sheet (Methane-Devices) Sample of Inspection Sheet (Methane-Devices) Sample of Inspection Sheet (Methane-Devices) EX-TEC® SR5, SR4, SR2, VARIOTEC® 8 TEST REPORT Calibration: methane CH4 Serial Number (e.g.: 041 11 0001) 23.10.1998 1.0 Device status 1.1 - status correct (e.g.: Y / N)
  • Page 54 Sample of Inspection Sheet (Propane-Devices) Sample of Inspection Sheet (Propane-Devices) Sample of Inspection Sheet (Propane-Devices) Sample of Inspection Sheet (Propane-Devices) Sample of Inspection Sheet (Propane-Devices) EX-TEC® SR5, SR4, SR2, VARIOTEC® 8 TEST REPORT Calibration: propane C3H8 Serial Number (e.g.: 041 12 0001) 23.10.1998 1.0 Device status 1.1 - status correct (e.g.: Y / N)
  • Page 55 Hermann Sewerin GmbH Robert-Bosch-Straße 3 · D-33334 Gütersloh Telefon +49 - (0) - 52 41/9 34-0 · Telefax +49 - (0) - 52 41/9 34-4 44 http://www.sewerin.com...

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