Oldham OLC 100 Manual de usuario

(P/N : NPO100GB rev C)

2OLC(T)100

Technical manual

First edition, French version

form, is permitted without the written consent of Industrial Scientific –

Oldham S.A.S.

All of the information that is provided in this document is accurate to the best

of our knowledge.

As a result of continuous research and development, the specifications of

this product may be changed without prior notice.

Industrial Scientific Oldham S.A.S

Rue Orfila

Z.I. Est – BP 20417

F–62027 ARRAS Cedex

Tel.: +33 (0)3 21 60 80 80

Fax: +33 (0) 3 21 60 80 00

Content 3

Contents

Chapter 1 | Presentation ........................................................7

Purpose......................................................................................................7

Operating principle.....................................................................................7

Composition of the detector.......................................................................8

Internal elements........................................................................................9

Identifiers..................................................................................................10

Chapter 2 | Ranges...............................................................11

OLC100 and OLCT100 ranges................................................................11

OLCT100 range (Transmitter type)..........................................................12

Chapter 3 | Installation.........................................................13

Necessary equipment ..............................................................................13

Regulations and conditions of use...........................................................13

Electrical power supply ............................................................................14

Transfer curve..........................................................................................14

Location of the detector............................................................................15

Detector positioning .................................................................................15

Connector cable.......................................................................................16

Cable connection .....................................................................................17

Scope of use............................................................................................21

Chapter 4 | Calibration.........................................................22

Necessary equipment ..............................................................................22

Commissioning.........................................................................................22

Stabilization time......................................................................................23

Opening the cover....................................................................................23

Calibrating the OLC100............................................................................24

Calibrating the OLCT100 .........................................................................26

Chapter 5 | Preventive maintenance ...................................31

Frequency of maintenance ......................................................................31

Actions......................................................................................................32

4OLC(T)100

Technical manual

Chapter 6 | Maintenance.......................................................33

Checking the current generator................................................................34

Possible errors .........................................................................................35

Replacing sensor block............................................................................36

Calibration kit............................................................................................38

Chapter 7 | Accessories.......................................................39

Cable gland..............................................................................................41

Chapter 8 | Spare parts.........................................................42

Chapter 9 | Declaration of EC conformity ...........................44

Chapter 10 | Technical specifications..................................46

Dimensional characteristics .....................................................................47

General Specifications .............................................................................48

Catalytic head (OLCT100 XP)..................................................................49

Toximetric heads (OLCT100 XP and OLCT100 IS).................................51

Semiconductor heads (OLCT100 XP) .....................................................53

Infrared head (OLCT100 XP-IR)..............................................................54

Chapter 11 | Specific instructions for use in explosive

atmospheres and operational safety........................................55

General comments...................................................................................55

Metrological performance for the detection of flammable gases.............56

Threaded joints.........................................................................................56

Operational safety....................................................................................56

Reliability data..........................................................................................57

Detector in intrinsically safe "ia" protective mode: Special use conditions..

.......................................................................................................57

Annexe | Ordering information..........................................59

Gas List....................................................................................................59

Limites de responsabilité 5

Thank you for choosing this OLDHAM instrument.

All of the necessary actions have been taken in order to ensure your complete

satisfaction with this equipment.

It is important that you read this entire manual carefully and thoroughly.

The extent of our responsibility

❧INDUSTRIAL SCIENTIFIC OLDHAM shall not be held responsible for any

damage to the equipment or for any physical injury or death resulting in whole

or in part from the inappropriate use, installation, or storage of the equipment,

which is the result of not complying with the instructions and warnings, and/or

with the standards and regulations in force.

❧INDUSTRIAL SCIENTIFIC OLDHAM does not support or authorise any

business, person, or legal entity in assuming responsibility on behalf of

INDUSTRIAL SCIENTIFIC OLDHAM, even though they may be involved in the

sale of INDUSTRIAL SCIENTIFIC OLDHAM products.

❧INDUSTRIAL SCIENTIFIC OLDHAM shall not be responsible for any damage,

direct or indirect, or for damages and interest, direct or indirect, resulting from

the sale and use of any of its products UNLESS SUCH PRODUCTS HAVE

BEEN DEFINED AND CHOSEN BY INDUSTRIAL SCIENTIFIC OLDHAM

FOR THE USE THAT THEY ARE INTENDED.

Ownership clauses

❧The drawings, specifications, and information herein contain confidential

information that is the property of INDUSTRIAL SCIENTIFIC OLDHAM.

❧This information shall not, either in whole or in part, by physical, electronic, or

any other means whatsoever, be reproduced, copied, divulged, translated, or

used as the basis for the manufacture or sale of INDUSTRIAL SCIENTIFIC

OLDHAM equipment, or for any other reason without the prior consent of

INDUSTRIAL SCIENTIFIC OLDHAM.

6OLC(T)100

Technical manual

Warning

❧This is not a contractual document. In the best interest of its customers and

with the aim of improving performance, INDUSTRIAL SCIENTIFIC OLDHAM

reserves the right to alter the technical features of its equipment without prior

notice.

❧READ THESE INSTRUCTIONS CAREFULLY BEFORE THE FIRST USAGE:

these instructions should be read by all persons who have or will have

responsibility for the use, maintenance, or repair of the instrument.

❧This instrument shall only be deemed to be in conformance with the published

performance if used, maintained, and repaired in accordance with the

instructions of INDUSTRIAL SCIENTIFIC OLDHAM by INDUSTRIAL

SCIENTIFIC OLDHAM personnel or by personnel authorised by INDUSTRIAL

SCIENTIFIC OLDHAM.

Guarantee

❧Under normal conditions of use and on return to the factory, parts and

workmanship are guaranteed for 3 years, excluding such consumables as

sensors, filters, etc.

Destruction of the equipment

European Union (and EEA) only. This symbol indicates that, in

conformity with directive DEEE (2002/96/CE) and according to local

regulations, this product may not be discarded together with household

waste.

It must be disposed of in a collection area that is set aside for this purpose, for

example at a site that is officially designated for the recycling of electrical and

electronic equipment (EEE) or a point of exchange for authorized products in the

event of the acquisition of a new product of the same type as before.

1 - Presentation 7

Chapter1 |Presentation

Purpose

This range of sensors is designed to detect a particular gas depending on the type

of sensor used.

Operating principle

The measurement sensor converts the target gas into voltage or current. This

electrical parameter is:

❧either conducted directly via a connecting cable to a dedicated central

measurement unit (as with the OLC100 explosimeter) that operates on the

principle of the Wheatstone bridge. Such a measurement unit is available in

the OLDHAM range.

❧or amplified, corrected for temperature, linearised, and converted to a 4-20 mA

signal (as for the OLCT100) and conducted via a connecting cable to a

centralized unit (measurement unit or industrial automation system).

8OLC(T)100

Technical manual

Composition of the detector

A detector comprises the following elements:

Id. Description

1. Company label

2. Cover

3. PCB protector (for OLCT version).

4. PCB.

5. Cable gland inlet.

6. Enclosure.

7. Sensor block.

8. Nozzle.

9. Ground connection.

10. LEL sensor (high temperature).

050

Figure 1 : component parts of an OLCT100 detector.

1 - Presentation 9

Internal elements

The following elements are internally accessible to the user:

Id. Description

1. Terminal for the cable being connected to the central unit (measurement unit,

automation).

2. Sensor block connector.

3. Calibration ribbon connector.

4. 4 mA adjustment.

5. Push button access for 4 mA adjustment.

6. Zeroing.

7. Sensitivity adjustment.

OLC100 detector OLCT100 explosimeter OLCT100 detector for toxic

gases

006

Figure 2 : internal view of the detectors.

10 OLC(T)100

Technical manual

Identifiers

The enclosure has two identifier labels, as described below:

Company label

This in turn groups the detector features together:

Id. Description

1. Manufacturer's name

2. Type of product

3. ATEX- IECEx Marking

4. CE symbol and the number of the

organisation that provided the OLDHAM

production quality certification (INERIS)

5. Warning.

6. Type of gas detected and range of

measurement

7. Maximum ATEX certification temperature

(excluding metrological performance)

8. Recycling symbol

008

Figure 3 : Company label.

Side label

This label shows the following :

Id.

Description

Thread diameter and pitch for cable inlet

Detector reference number, less sensor (P/N)

Detector serial number (S/N)

010

Figure 4 : side label.

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