sewerin EX-TEC SR4 - EX-TEC Inspection and Maintenance

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4.04.0
4.04.0
4.0
Inspection, testing and maintenanceInspection, testing and maintenance
Inspection, testing and maintenanceInspection, testing and maintenance
Inspection, testing and maintenance
DVGW work sheet G 465/IV requires detectors to be inspected,
tested and maintained.
Sensitivity testingSensitivity testing
Sensitivity testingSensitivity testing
Sensitivity testing
may be necessary several times a day, according to G 465/I, depending
on the circumstances - particularly with gas detectors used to monitor
mains pipes.
InspectionInspection
InspectionInspection
Inspection
must be carried out up to six times a year, depending on frequency of
use - and at any rate at least once a year. The following items must be
tested:
• detector condition • pump power
• battery condition • zero point
• intake channel • sensitivity (with test gas)
☞
Workplace monitoring mode:Workplace monitoring mode:
Workplace monitoring mode:Workplace monitoring mode:
Workplace monitoring mode:
For your own safety you are recommended alwaysFor your own safety you are recommended always
For your own safety you are recommended alwaysFor your own safety you are recommended always
For your own safety you are recommended always
to check the %LEL range with test gas before useto check the %LEL range with test gas before use
to check the %LEL range with test gas before useto check the %LEL range with test gas before use
to check the %LEL range with test gas before use
and recalibrate if necessaryand recalibrate if necessary
and recalibrate if necessaryand recalibrate if necessary
and recalibrate if necessary
(instruction sheet T 031 / BG Chemie) !(instruction sheet T 031 / BG Chemie) !
(instruction sheet T 031 / BG Chemie) !(instruction sheet T 031 / BG Chemie) !
(instruction sheet T 031 / BG Chemie) !
TT
TT
T
est reportest report
est reportest report
est report
Test results must be recorded. A specimen form will be found on the
last page of this manual.
Servicing and maintenanceServicing and maintenance
Servicing and maintenanceServicing and maintenance
Servicing 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).
After servicing a certificate must be completed.