Crowcon T4 Manuel utilisateur

Personal Gas Detection Equipment

T4 User & Operator Manual

Portable Multigas Detector

M070044/Eng

Issue 4 Nov 2016

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Contents

CONTENTS

PROLOGUE .............................................6

T4 Overview ....................................................6

Safety Information........................................7

Unpacking .............................................10

1. Set-up ..............................................12

1.1 Prior to use.................................................12

1.2 T4 orientation...............................................12

1.3 Charging & battery indications ................................13

1.4 Fitting the calibration/bump test plate ..........................15

1.5 Fitting the external lter plate .................................16

1.6 +ve Safety™ ................................................17

1.7 Quick view .................................................18

2. Operation ...........................................21

2.1 Turning on .................................................21

2.2 Home screen ...............................................24

2.3 Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

2.3.1 Low battery alarm .......................................25

2.3.2 Instantaneous alarm .....................................25

2.3.3 Short term exposure limit alarm (STEL) .....................26

2.3.4 Time weighted average alarm (TWA)........................26

2.3.5 TWA Resume function*...................................26

2.4 Alarm and status icons .......................................27

2.5 Accepting and Clearing Alarms ................................28

Exit

2.6 Sensors ...................................................29

2.6.1 Oxygen sensor .........................................29

2.6.2 Electro-chemical sensors ................................29

2.6.3 Pellistor sensors .......................................30

2.6.4 Pellistor saver mode ....................................30

2.7 T4 menu icons ..............................................31

2.8 Accessing T4 menu functions .................................32

2.8.1 Home screen ...........................................32

2.8.2 Information Screen ......................................32

2.8.3 Manual zero ............................................33

2.8.4 Peak Mode .............................................34

2.8.5 Bump Test .............................................35

2.8.6 Calibration .............................................37

2.8.7 STEL (Short term exposure limit) ..........................39

2.8.8 TWA (Time weighted average) .............................39

2.8.9 Shutdown .............................................39

2.9 Data Logging ...............................................40

2.10 Event logging..............................................40

2.11 Bump Test ................................................41

2.12 Calibration ................................................42

2.13 New sensor calibration/service ...............................42

2.14 T4 Aspirator Plate ..........................................43

3. Service and maintenance ..............................45

4. Specication .........................................46

Exit

5. Accessories .........................................47

6. Troubleshooting ......................................48

6.1 T4 Fault / Warning / Information Descriptions ....................48

6.1.1 Service Faults ..........................................48

6.1.2 Fault/Warning/Information Messages .......................48

7. Appendices ..........................................55

7.1 Sensor Limitations ..........................................55

7.2 Crowcon contacts ...........................................56

Warranty ...............................................57

Exit

PROLOGUE

T4 Overview

Thank you for purchasing T4. At Crowcon we recognise the need for reliable and robust personal

monitors which are sized to be worn and simple to use.

T4 is a portable monitor capable of detecting up to 4 gases in a compact and wearable design. Focused

on users and eet managers alike, T4 offers application focused solutions giving greater operating time

and reduced set up time.

T4 is classied for use in hazardous areas and gives loud and bright audible and visual alarm indications

as well as a vibrate alert. The front mount display is backlit for ease of use, and the simple single button

solution makes using and training quick and easy.

Contents

Exit

Prologue

Operation

Maintenance

Specication

Accessories

Troubleshooting

Appendices

Warranty

Set-up

Safety Information

• T4 is a hazardous area certied gas detector and as such must be operated and maintained in

strict accordance with the instructions, warnings and label information included in this manual.

T4 must be operated within the limitations stated.

• Read and understand all instructions in the operation section of this manual prior to use.

• Before use ensure that the equipment is in good condition, the enclosure is intact has not been

damaged in any way.

• If there is any damage to the equipment do not use, contact your local Crowcon ofce or agent

for repair/replacement.

• Do not disassemble or substitute components as this may impair intrinsic safety and invalidate

safety certication.

• Only genuine Crowcon replacement parts must be used; substitute components may invalidate

certication and warranty of the T4 and accessories, reference “Service and Maintenance”

section for details.

• No live maintenance is permissible.

• Observe all warnings and instructions marked on the unit and within this manual.

• Observe site health and safety procedures for gases being monitored and evacuation

procedures.

• Understand the screen display and alarm warnings prior to use.

• If this product is not working properly, read the troubleshooting guide and/or contact your local

Crowcon ofce or agent, for details reference the ‘Crowcon Contacts’ section of the manual

• Ensure maintenance, service and calibration is carried out in accordance with the procedures in

the manual and only by trained personnel.

Charging & Communication (Um = 9.1V)

• The T4 re-chargeable battery must only be charged in non-hazardous (safe) areas.

• Only connect to T4 in a safe area for charging or communications.

• T4 must not be charged or have communication to the device, at ambient temperatures outside

the range 0°C to +40°C.

• T4 has been certied and marked Um = 9.1V therefore, if charging T4 via the T4 Charger

Cradle use only Crowcon supplied AC Adaptor. Otherwise this may impair intrinsic safety and

invalidate safety certication.

• T4 has been certied and marked Um = 9.1V therefore, if charging T4 via the T4 10 way

charger use only Crowcon supplied AC Adaptor. Otherwise this may impair intrinsic safety and

invalidate safety certication.

Contents

Exit

Prologue

Operation

Maintenance

Specication

Accessories

Troubleshooting

Appendices

Warranty

Set-up

• Alternative charging and communication cable assemblies types “power cable”, “communication

cable”, “power and communication cable”, “vehicle power cable”, ”cradle power and

communications” and “cradle charger“ are suitable for use with T4.

• Refer to Power & Communication Cables Technical Data” manual (M07996) for further details.

• These devices are intended for use in normal atmospheric conditions of temperature –20 °C

to +55 °C; pressure 80 kPa (0,8 bar) to 110 kPa (1,1 bar); and air with normal oxygen content,

typically 21 % v/v (volume/volume).

• T4 ‘Type 2’ (as indicated on the certication label) may be used in Zones 1 and 2, for Group

llA, llB and llC gases and vapours and for Temperature Classes T1, T2, T3 and T4. (see

Certication label below).

Certication label

The certication marking is as follows:

• T4 is certied for use in ambient temperatures in the range -20°C to +55°C (-4 to 131°F).

IECEx

IEC 60079-0:2011 6th Edition

Electrical apparatus for explosive gas atmospheres Part 0: General requirements

IEC 60079-11:2011 6th Edition

Explosive atmospheres - Part 11: Equipment protection by intrinsic safety “i”

Ex d ia IIC T4 Gb Tamb -20°C to +55°C (T4 Type 2)

IECEx ULD 15.0002X

1180

II 2 G

0038/

Um = 9.1V

6.5V Class 2

Ex d ia IIC T4 Gb -20°C ≤ Ta ≤ +55°C

172 BROOK DRIVE

MILTON PARK

ABINGDON

OX14 4SD

UNITED KINGDOM

Made in the UK

WARNING: DO NOT CHARGE THE BATTERY OR

CONNECT TO THE EQUIPMENT IN A HAZARDOUS

LOCATION. USE RECOMMENDED CHARGER ONLY.

READ & UNDERSTAND THE MANUAL BEFORE USE.

DEMKO 15 ATEX 1411

IECEx ULD 15.0002X

1180

II 2 G

Um = 9.1V

6.5V Class 2

Ex d ia IIC T4 Gb -20°C ≤ Ta ≤ +55°C

172 BROOK DRIVE

MILTON PARK

ABINGDON

OX14 4SD

UNITED KINGDOM

Made in the UK

WARNING: DO NOT CHARGE THE BATTERY OR

CONNECT TO THE EQUIPMENT IN A HAZARDOUS

LOCATION. USE RECOMMENDED CHARGER ONLY.

READ & UNDERSTAND THE MANUAL BEFORE USE.

66Y6

DEMKO 15 ATEX 1411

IECEx ULD 15.0002X

GAS DETECTOR FOR USE IN HAZ LOCS,

ONLY AS TO INTRINSIC SAFETY

CL I, GR A, B, C & D: T4, -20°C ≤ Ta ≤ +55°C

Contents

Exit

Prologue

Operation

Maintenance

Specication

Accessories

Troubleshooting

Appendices

Warranty

Set-up

ATEX

EN 60079-0: 2012 + A11:2013

Explosive atmospheres – Part 0: Equipment - General requirements

EN 60079-11:2012

Explosive atmospheres - Part 11: Equipment protection by intrinsic safety “i”

II 2 G Ex d ia IIC T4 Gb Tamb -20°C to +55°C (T4 Type 2)

DEMKO 15 ATEX 1411

Gas detector use in hazardous locations Class 1 Division 1, Groups A, B, C and D only as to

intrinsic safety.

UL 913 Applicable Edition of the UL standard

UL 60079-0:2013 Applicable Edition of the UL standard

UL 60079-11:2013 Applicable Edition of the UL standard

Contents

Exit

Prologue

Operation

Maintenance

Specication

Accessories

Troubleshooting

Appendices

Warranty

Set-up

Unpacking

Your T4 will have been inspected and quality checked before it left our manufacturing facility.

It will be congured as a standard unit with standard settings as shown in the table below and

any changes to suit your specic site requirements can be made utilising Portables Pro 2.0 PC

Application and the Communications Cable, part number CH0103.

T4 Standard Conguration Settings:

Alarm levels/type* H2S (Hydrogen Sulphide)

Low Alarm = 5 PPM

Rising alarm

Latched

High Alarm = 10 PPM

Rising alarm

STEL = 10 PPM

TWA = 5 PPM

CO (Carbon Monoxide)

Low Alarm = 30 PPM

Rising alarm

Latched

High Alarm = 100 PPM

Rising alarm

STEL = 100 PPM

TWA = 30 PPM

Rising alarm

Latched

O2(Oxygen)

Low Alarm = 19% Vol

Falling

Latched

High Alarm = 23.5% Vol

Rising

LEL

Low Alarm = 20%

Rising alarm

Latched

LEL (CH4)

Rising alarm

High Alarm = 40% LEL (CH4)

(all T4s are shipped having been calibrated with 2.2% Vol CH4)

Contents

Exit

Prologue

Operation

Maintenance

Specication

Accessories

Troubleshooting

Appendices

Warranty

Set-up

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