Agilent Technologies 1100 Series Manual de usuario

Agilent 1100 Series

Micro Vacuum Degasser

Reference Manual

Agilent Technologies

Hewlett-Packard-Strasse 8

76337 Waldbronn

Germany

Copyright Agilent

Technologies 2000

Reproduction, adaption,

or translation without

prior written permission

is prohibited, except as

allowed under the

Part No. G1379-90000

Edition 06/00

Printed in Germany

Warranty

The information

contained in this

document is subject to

change without notice.

Agilent Technologies

makes no warranty of

any kind with regard to

this material,

including, but not

limited to, the implied

warranties or

merchantability and

fitness for a particular

purpose.

Agilent Technologies

shall not be liable for

errors contained herein

or for incidental or

consequential damages

in connection with the

furnishing, performance,

or use of this material.

WARNING

For details of safety,

see Safety Information

on page 85.

Warning Symbols Used

In This Book

The apparatus is marked

with this symbol when

the user should refer to

the instruction manual

in order to prevent risk

of harm to the operator

and to protect the

apparatus against

damage.

Reference Manual

Agilent 1100 Series Micro Vacuum Degasser

In This Book

This manual contains technical reference information about the Agilent 1100

Series micro vacuum degasser. The manual describes the following:

• installation,

• optimizing performance,

• troubleshooting,

• repairing,

• parts and materials,

• theory of operation, and

•specifications.

Contents

1 Installing the Micro Vacuum Degasser

How to install the micro vacuum degasser 9

Site Requirements 10

Unpacking the Micro Vacuum Degasser 12

Optimizing the Stack Configuration 14

Installing the Micro Vacuum Degasser 16

Flow Connections to the Micro Vacuum Degasser 18

Transporting the Micro Vacuum Degasser 21

2 Optimizing Performance

How to optimize the micro vacuum degasser to achieve best

chromatographic results 23

Introduction to the Micro Vacuum Degasser 24

When to Use a Micro Vacuum Degasser? 25

Operation Modes of the Micro Vacuum Degasser 26

Operational Hints for the Micro Vacuum Degasser 29

Solvent Information 31

Prevent Blocking of Solvent Filters 32

3 Troubleshooting

Errors, their probable cause, and the action required to correct

them 33

Status Indicators 34

Power Supply Lamp 35

Instrument Status Indicator 35

Contents

Hardware Symptoms 36

All Lamps are Off 37

If the Status Indicator is Red 39

If the Status Indicator is Yellow and the Vacuum Pump is not

Running 40

If the Status Lamp is Yellow and the Vacuum Pump Runs

Continuously 41

4 Repairing the Micro Vacuum Degasser

Instructions on how to repair the micro vacuum degasser 45

Cleaning the Instrument 48

Using the ESD Strap 49

Removing and Refitting the Top Cover 50

Assembling the Main Cover 52

Exchanging the Status Light Pipe 53

Overview of Internal Parts 54

Exchanging a Vacuum Chamber 55

Exchanging the Vacuum Pump 57

Exchanging the Solenoid Valve 59

Exchanging the Degasser Control Assembly and the Sensor

Assembly 60

5 Parts and Materials

Detailed illustrations and listings for parts and materials

identification 63

Micro Vacuum Degasser Parts 64

Contents

Cover Parts 66

Sheet Metal Kit 67

Power and Status Light Pipes 68

Accessory Kit 69

Cable Overview 70

Remote Cables 71

Auxiliary Cable 72

6 Theory of Operation

The vacuum degasser’s operation and electronics 73

How the Electronics Work 74

7 Specifications

Performance specifications of the micro vacuum degasser 79

Performance Specifications 80

Legal, Safety and Warranty Information 81

Warranty Statement 82

Safety Information 85

Radio Interference 88

Sound Emission 88

Agilent Technologies on Internet 89

Contents

1Installing the Micro

Vacuum Degasser

How to install the micro vacuum degasser

Installing the Micro Vacuum Degasser

Site Requirements

A suitable environment is important to ensure optimum performance of the

micro vacuum degasser.

Power Considerations

The micro vacuum degasser power supply has wide-ranging capability (see

Table 1). It accepts any line voltage in the range mentioned below.

Consequently there is no voltage selector in the rear of the micro vacuum

degasser. There are two externally accessible fuses, that protect the power

supply.

WARNING Shock hazard or damage of your instrumentation can result, if the

devices are connected to a line voltage higher than specified.

WARNING Never use cables other than the ones supplied by Agilent Technologies

to ensure proper functionality and compliance with safety or EMC

regulations.

Power Cords

Different power cords are offered as options with the micro vacuum

degasser. The female end of each of the power cords is identical. It plugs into

the power-input socket at the rear of the micro vacuum degasser. The male

end of each of the power cords is different and designed to match the wall

socket of a particular country or region.

WARNING Never operate your instrumentation from a power outlet that has no

ground connection. Never use a power cord other than the power cord

designed for your region.

Bench Space

The micro vacuum degasser dimensions and weight (see Table 1) allow to

place the micro vacuum degasser on almost any desk or laboratory bench. It

needs an additional 2.5 cm (1.0 inches) of space at either side and

approximately 8 cm (3.1 inches) at the rear for the circulation of air and

electric connections.

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