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sewerin EX-TEC SR5 User Manual

sewerin EX-TEC SR5
55 pages
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Instructions
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sewerin EX-TEC SR5 Specifications

General IconGeneral
Brandsewerin
ModelEX-TEC SR5
CategoryGas Detectors
LanguageEnglish

Summary

Safety Precautions for Detector Use

EX-TEC and VARIOTEC Detector Models

EX-TEC SR5 (Ex-protected)

Details uses for gas detection, interior installations, workplace monitoring, and location.

EX-TEC SR4 (Ex-protected)

Details uses for workplace monitoring, location, and gasing/inertisation.

EX-TEC SR2 (Ex-protected)

Details uses for location and gasing/inertisation.

VARIOTEC 8

Details uses for gas detection and location.

Explosion Protection Tests

Passive Explosion Protection

Covers explosion-proof classification and test institute for SR5, SR4, SR2.

Active Explosion Protection

Covers functional safety testing in Workplace Monitoring for SR5 and SR4.

Probe System Descriptions

Probes for Gas Distribution Networks

Describes Carpet probe for stable surfaces and no extraneous emissions.

Probes for Location Measurement

Describes Bell probe for unstable surfaces and Search probe for probe holes.

Probes for Hollow Spaces

Describes Floating probe for pits and Divisible handprobe for pipes.

Probes for House Service Lines

Describes Flexible hand probes for house service lines.

Detector Measuring Operation Guide

Switching On the Detector

Procedure for powering on the detector using the on/off or WPM button.

Illumination and Contrast Control

Explains how to adjust LCD illumination and display contrast.

Zero Point Establishment

Details the waiting period for zero point stabilization in fresh air.

Pump Operation Control

Covers switching the pump on/off and adjusting pump power levels.

Alarm Signal and Volume Adjustment

Details how to manage the alarm signal and buzzer volume.

Alarm Threshold Value Setting

Explains how to set alarm threshold values using the relevant button.

Switching Measuring Ranges

Explains analogue/digital displays and automatic range switching.

Zero-Point Manual Adjustment

Procedure for manually setting the zero point when automatic fails.

Workplace Monitoring Function

Describes the WPM function for SR5 and SR4, monitoring LEL proximity.

Battery Alarm and Status

Indicates remaining operation time and low battery warnings.

Switching Off the Detector

Safe procedure for powering down the detector.

Detector Charging Procedures

Charging Adapter and Connections

Details the HS charging adapter and its power connection options.

Battery Discharge and Memory Effect

Explains spontaneous discharge and how to avoid NiCd memory effect.

Detector Inspection and Maintenance

Sensitivity Testing Procedure

Covers the frequency and methods for sensitivity testing with gas.

Regular Inspection Checklist

Lists essential items to check during periodic inspections.

Servicing and Maintenance Guidelines

Specifies authorized personnel and documentation for servicing.

Calibration Test Sets

SPE 1 Test Set Usage

Details the SPE 1 test set and its applications for pump power, zero point, and sensitivity.

SPE 3 Test Set Usage

Details the SPE 3 test set and its applications for pump power, zero point, and sensitivity.

Test Gases for Calibration

Test Gases for Function Testing

Provides a table of test gases for EX-TEC SR5, SR4, SR2, VARIOTEC 8.

Detector Function Testing Guide

Methane Test Gas Admissible Values

Specifies acceptable display readings for methane test gas concentrations.

Propane Test Gas Admissible Values

Specifies acceptable display readings for propane test gas concentrations.

Detector Calibration and Adjustment

Detector Testing and Adjustment Mode

Steps for connecting the detector to a test set and entering adjustment mode.

Display 1: Version Number and Zero Point

Shows software version and automatic zero point establishment.

Display 2: 10 ppm Adjustment

Procedure for calibrating the 10 ppm measuring range.

Display 3: 100 ppm Adjustment

Procedure for calibrating the 100 ppm measuring range.

Display 4: 1,000 ppm Adjustment

Procedure for calibrating the 1,000 ppm measuring range.

Display 5: 1.00 vol.% Adjustment

Procedure for calibrating the 1.00 vol.% measuring range.

Display 6: 0 %LEL Adjustment

Procedure for calibrating the 0 %LEL range using fresh air.

Display 7: 50/59 %LEL Adjustment

Procedure for calibrating the 50 %LEL or 59 %LEL ranges.

Display 8: 0 vol.% Adjustment

Procedure for calibrating the 0 vol.% range using fresh air.

Display 9: 100 vol.% Adjustment

Procedure for calibrating the 100 vol.% measuring range.

Setting Detector for Local Natural Gas

Steps to configure the detector for local natural gas detection.

Display 10: %LEL Range Language Selection

How to select the display language for the %LEL range.

Display 11: %VOL Range Language Selection

How to select the display language for the vol.% range.

Display 12: 10 PPM Sensitivity Setup

Procedure for setting amplification ratios for 10 PPM sensitivity.

Display 13: LCD Check Procedure

Method to verify all LCD display elements are functioning correctly.

Exiting Adjustment Mode

Steps to return to normal operating modes from adjustment mode.

Detector Technical Specifications

Maximum Pointer Functionality

Explains the flashing maximum pointer for concentration comparison.

Heavy Gas Detection and Filtering

Interpreting heavy gas readings and using CO2 filters.

Oxygen Concentration Limitations

Safety limits for oxygen concentration to ensure electrical safety.

Gasing and Inertisation Monitoring

Procedure for monitoring gas concentration increases or decreases.

Detector Cleaning Instructions

Guidelines for cleaning the detector using only a damp cloth.

Static Charging Avoidance

Recommendations to prevent electrostatic charging of the device.

Fine Dust Filter Maintenance

Instructions for cleaning and replacing fine dust filters.

Sensor Sensitivity Factors

Details factors affecting sensor sensitivity and methods for regeneration.

Detector Technical Data

Detector Models Covered

Lists the specific EX-TEC and VARIOTEC models included.

Measuring System Sensor Types

Identifies sensor types for PPM, %LEL, and %VOL measurement ranges.

Available Measuring Ranges and Steps

Specifies the detailed measuring ranges and their step increments.

Alarm Threshold Specifications

Defines the variable and fixed alarm threshold values.

Detector Dimensions and Weight

Provides physical dimensions (W x H x D) and weight.

Maximum Operating Time

States the maximum operating duration on a full battery charge.

Detector Accessories and Parts

Charging Technique Accessories

Lists HS charging adapters, power packs, and vehicle adapters.

Probe System Components

Lists various probe systems for different applications.

Test Sets for Calibration

Lists SPE 1, SPE 2, and SPE 3 test sets for calibration.

Detector Error Codes and Troubleshooting

PPM Range Adjustment Errors (F10-F14)

Details adjustment errors in PPM range and their remedies.

%VOL Range Adjustment Errors (F15-F20)

Details adjustment errors in %VOL range and their remedies.

Component Error (F21)

Indicates component errors requiring SEWERIN Service.

Synchronization Alarm Errors (F31)

Indicates synchronization alarm or gas sample errors with remedies.

Component Errors (F50-F56)

Indicates component errors requiring SEWERIN Service.

Thermal Combustion Sensor Error (F61)

Indicates sensor breakage in the thermal combustion sensor.

Thermal Conductivity Sensor Error (F62, F63)

Indicates sensor breakage in the thermal conductivity sensor.

Semiconductor Sensor Error (F65)

Indicates sensor breakage in the semiconductor sensor.

Low Pump Power Error (F100)

Indicates low pump power and suggests troubleshooting steps.

EC Type Examination Certification

EC-Type Examination Certificate Number

Certifies the PTB 96 ATEX 2166 number for the device.

ATEX Classification Details

Lists the ATEX classification: II 2 G EEx ib d IIB T4.

Certificate Schedule and Conditions

Covers equipment description, test reports, and special conditions.

Battery Handling Warning

Warns that battery change/charge must occur outside hazardous areas.

EC-Type Examination Certificate - First Supplement

Details modifications to the sensor chamber, including sintered metal elements.

EC-Type Examination Certificate - Second Supplement

Covers use of data output/alarm for safety-related measures.

Product Declaration of Conformity

Product Compliance Declarations

Declares compliance with relevant norms and directives for the SR5.

Normative Compliance Standards

Lists specific EMC and Ex standards the product adheres to.

Declaration of Conformity for SR4

Confirms adherence to norms and directives for the SR4 model.

EU Directive Compliance

States compliance with EU directives such as EMC and ATEX.

Product Name and Type

Identifies the product as SR 2.

EMC and ATEX Directive Compliance

Confirms compliance with electromagnetic compatibility and ATEX directives.

Device Designation and Type

Designates the device as Variotec 8, a gas measuring device.

Norm and Directive Adherence

Lists applicable norms (EMC) and directives for the VARIOTEC 8.

Methane Device Inspection Sheet

Device Status and Filter Checks

Checks device status, fine-dust filters, and remaining operating hours.

Pump Test Procedures

Tests pump low pressure and volume flow rate.

PPM Measuring Range Calibration

Calibration steps for zero point, fresh air reading, and PPM concentrations.

Propane Device Inspection Sheet

%LEL Measuring Range Calibration

Calibration steps for zero point and %LEL concentrations.

VOL.% Measuring Range Calibration

Calibration steps for zero point and VOL.% concentrations.

Observations and Inspection Notes

Section for recording observations like housing condition or repairs.

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