Agilent Technologies 490 Manuel utilisateur

Agilent 490 

Micro Gas

Chromatograph

User Manual

Notices

No part of this manual may be reproduced

in any form or by any means (including

electronic storage and retrieval or transla-

tion into a foreign language) without prior

agreement and written consent from 

Agilent Technologies, Inc. as governed by

United States and international copyright

laws.

Manual Part Number

G3581-90001

Edition

Third edition, February 2014

Printed in The Netherlands

Agilent Technologies, Inc.

P.O. Box 8033

4330 EA Middelburg 

The Netherlands

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without notice,

in future editions. Further, to the max-

imum extent permitted by applicable

law, Agilent disclaims all warranties,

either express or implied, with regard

to this manual and any information

contained herein, including but not

limited to the implied warranties of

merchantability and fitness for a par-

ticular purpose. Agilent shall not be

liable for errors or for incidental or

consequential damages in connection

with the furnishing, use, or perfor-

mance of this document or of any

information contained herein. Should

Agilent and the user have a separate

written agreement with warranty

terms covering the material in this

document that conflict with these

terms, the warranty terms in the sep-

arate agreement shall control.

Technology Licenses

The hardware and/or software described in

this document are furnished under a

license and may be used or copied only in

accordance with the terms of such license.

Restricted Rights Legend

If software is for use in the performance of

a U.S. Government prime contract or sub-

contract, Software is delivered and

licensed as “Commercial computer soft-

ware” as defined in DFAR 252.227-7014

(June 1995), or as a “commercial item” as

defined in FAR 2.101(a) or as “Restricted

computer software” as defined in FAR

52.227-19 (June 1987) or any equivalent

agency regulation or contract clause. Use,

duplication or disclosure of Software is

subject to Agilent Technologies’ standard

commercial license terms, and non-DOD

Departments and Agencies of the U.S. 

Government will receive no greater than

Restricted Rights as defined in FAR

52.227-19(c)(1-2) (June 1987). U.S. Govern-

ment users will receive no greater than

Limited Rights as defined in FAR 52.227-14

(June 1987) or DFAR 252.227-7015 (b)(2)

(November 1995), as applicable in any

technical data.

Safety Notices

CAUTION

A CAUTION notice denotes a 

hazard. It calls attention to an oper-

ating procedure, practice, or the

like that, if not correctly performed

or adhered to, could result in 

damage to the product or loss of

important data. Do not proceed

beyond a CAUTION notice until the

indicated conditions are fully

understood and met.

WARNING

A WARNING notice denotes a

hazard. It calls attention to an

operating procedure, practice, or

the like that, if not correctly per-

formed or adhered to, could result

in personal injury or death. Do not

proceed beyond a WARNING

notice until the indicated condi-

tions are fully understood and met.

490 Micro GC User Manual 3

Contents

1 Introduction

Safety Information 8

Important safety warnings 8

Hydrogen safety 8

Safety symbols 9

Safety and regulatory information 9

General safety precautions 10

Shipping Instructions 13

Cleaning 13

Instrument Disposal 13

2 Instrument Overview

Front View 16

Back View 17

Inside View 18

Carrier Gas Connection 21

Sample Gas 23

Handling a sample 23

Using the external filter unit 23

Heated sample lines 24

Connecting to a heated sample line 25

Power 26

Power source 26

Power Requirements 26

Disposal 26

Specifications 27

Ambient Pressure 27

Ambient Temperature 27

Maximum Operation Altitude 27

4490 Micro GC User Manual

3 Installation and Use

Pre-Installation Requirements 30

Inspect the Shipping Packages 30

Unpack the Micro GC 31

Review the Packing List 32

Install the 490 Micro GC 33

Step 1: Install gas regulators and set pressures 33

Step 2: Connect carrier gas 33

Step 3: Connect to the checkout sample 33

Step 4: Connect to power 33

Step 5: Connect to the data system computer (or LAN) 34

Step 6a: Assign an IP address - for a Micro GC with main board

CP740010 34

Step 6b: Assign an IP address - for a Micro GC with main board

G3581-65000 37

Step 7: Note the Micro GC startup cycle 40

Step 8: Complete Micro GC configuration in the data system 40

Create the Test Method 41

Perform a Series of Runs 42

Shut Down Procedure 43

Long Storage Recovery Procedure 43

4 GC Channels

Carrier Gas 46

Micro Electronic Gas Control (EGC) 47

Injector 47

Column 48

Molsieve 5Å columns 49

CP-Sil 5 CB columns 50

CP-Sil CB columns 51

PoraPlot 10m column 52

Hayesep A 40 cm heated column 53

COX and AL203/KCI columns 54

MES (NGA) and CP-WAX 52 CB columns 55

Column conditioning 56

Backflush Option 57

Tuning 59

To disable backflush 59

TCD Detector 60

490 Micro GC User Manual 5

5 Communications

Access the Connection Ports 62

490 Chromatography Data Systems 63

Ethernet Networks 64

IP Addresses 65

Example network configurations 66

To restore the factory default IP address 69

To change the Micro GC network settings 70

Frequently Asked Questions (FAQ) 71

Glossary of network terms 71

External Digital I/O 73

External Analog I/O 74

Micro GC Cycle with Constant Pressure 75

Micro GC Cycle with Ramped Pressure 76

6 Errors

Error Handling 78

Error List 79

6490 Micro GC User Manual

Agilent 490 Micro Gas Chromatograph

User Manual

Introduction

Safety Information 8

Shipping Instructions 13

Cleaning 13

Instrument Disposal 13

This chapter provides important information about using the

Agilent 490 Micro Gas Chromatograph (Micro GC) safely. To

prevent any injury to you or any damage to the instrument it is

essential that you read the information in this chapter.

8490 Micro GC User Manual

1Introduction

Safety Information

Important safety warnings

There are several important safety notices that you should always

keep in mind when using the Micro GC.

Hydrogen safety

Hydrogen is a commonly used GC carrier gas. When mixed with air,

hydrogen can form explosive mixtures and has other dangerous

characteristics.

•Hydrogen is combustible over a wide range of concentrations. At

atmospheric pressure, hydrogen is combustible at concentrations

from 4% to 74.2% by volume.

•Hydrogen has the highest burning velocity of any gas.

•Hydrogen has a very low ignition energy.

•Hydrogen that is allowed to expand rapidly from high pressure into

the atmosphere can self-ignite.

•Hydrogen burns with a nonluminous flame which can be invisible

under bright light.

WARNING

When

When handling or using chemicals for preparation or use within

the Micro GC, all applicable local and national laboratory safety

practices must be followed. This includes, but is not limited to,

correct use of Personal Protective Equipment, correct use of

storage vials, and correct handling of chemicals, as defined in the

laboratory’s internal safety analysis and standard operating

procedures. Failure to adhere to laboratory safety practices could

lead to injury or death.

WARNING

When using hydrogen (H2) as the carrier gas, be aware that hydrogen gas

can create a fire or explosion hazard. Be sure that the supply is turned off

until all connections are made.

Hydrogen is flammable. Leaks, when confined in an enclosed space, may

create a fire or explosion hazard. In any application using hydrogen, leak

test all connections, lines, and valves before operating the instrument.

Always turn off the hydrogen supply at its source before working on the

instrument.

Introduction 1

490 Micro GC User Manual 9

Safety symbols

Warnings in the manual or on the instrument must be observed during

all phases of operation, service, and repair of this instrument. Failure

to comply with these precautions violates safety standards of design

and the intended use of the instrument. Agilent Technologies assumes

no liability for the customer’s failure to comply with these

requirements.

Safety and regulatory information

This instrument and its accompanying documentation comply

with the CE specifications and the safety requirements for

electrical equipment for measurement, control, and laboratory

use (CEI/IEC 1010-1)CCSAUS and FCC-b.

This device has been tested and found to comply with the limits

for a Class A digital device, pursuant to part 15 of the FCC

rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment is

operated in a commercial environment. This equipment



WARNING:

Shock hazard

Indicates dangerous voltage. (Terminals fed

from the interior by voltage exceeding

1000 V must be so marked.)



WARNING:

Burn hazard



Indicates parts that may cause burns when

touched.



Instruction

Manual



Indicates that the user should refer to the

manual before operating the equipment.



Protective

Conductor terminal

For protection against electrical shock in

case of a fault. Used with field wiring

terminals to indicate the terminal, which

must be connected to the ground before

operating equipment.



Skin puncture

Indicates sharp or suddenly moving parts

such as injection needles that may cause

injury.



Static discharge

Warning

Indicates instrument contains parts that can

be damaged by electrostatic discharge. Take

care for proper grounding before handling.



Do not touch



Touching this item may result in damage to

the instrument or personal injury.

10 490 Micro GC User Manual

1Introduction

generates, uses, and can radiate radio frequency energy and, if

not installed and used in accordance with the instruction

manual, may cause harmful interference to radio

communications.

Operation of this equipment in a residential area is likely to

cause harmful interference in which case the user will be

required to correct the interference at his own expense.

NOTICE This instrument has been tested per applicable

requirements of EMC Directive as required to carry the

European Union CE Mark. As such, this equipment may be

susceptible to radiation/interference levels or frequencies,

which are not within the tested limits.

General safety precautions

Follow the following safety practices to ensure safe equipment

operation:

•Perform periodic leak checks on all supply lines and

pneumatic plumbing.

•Do not allow gas lines to become kinked or punctured. Place

lines away from foot traffic and extreme heat or cold.

•Store organic solvents in fireproof, vented and clearly

labeled cabinets so they are easily identified as either toxic,

or flammable, or both types of materials.

•Do not accumulate waste solvents. Dispose of such materials

through a regulated disposal program and not through

municipal sewage lines.

WARNING

This instrument is designed for chromatographic analysis of

appropriately prepared samples. It must be operated using

appropriate gases or solvents and within specified maximum

ranges for pressure, flows, and temperatures as described in this

manual. If the equipment is used in a manner not specified by the

manufacturer, the protection provided by the equipment may be

impaired.

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