Agilent Technologies 7890B Manuale utente

Agilent Technologies

Agilent 7890B

Gas Chromatograph

Operation 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

G3430-90054

Edition

First edition, January 2013

Printed in USA or China

Agilent Technologies, Inc.

2850 Centerville Road

Wilmington, DE 19808-1610 USA

Agilent Technologies, Inc.

412 Ying Lun Road

Waigoaqiao Freed Trade Zone

Shanghai 200131 P.R.China

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.

Safety Notices

CAUTION

A CAUTION notice denotes a hazard. It

calls attention to an operating

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 performed or adhered to,

could result in personal injury or

death. Do not proceed beyond a

WARNING notice until the indicated

conditions are fully understood and

met.

Operation Manual 3

Contents

1 Introduction

Chromatography Using a GC 10

The Operating Panel 11

The display 12

Status lights 12

Beeping instrument 13

Blinking setpoint 13

The keypad 14

2 Operating Basics

Overview 16

Instrument Control 17

To Start Up the GC 18

To Shut Down the GC for Less Than a Week 19

To Shut Down the GC for More Than a Week 20

Correcting Problems 21

3 Keypad Operation

The Run Keys 24

The GC Component Keys 25

The Status Key 26

The Info Key 27

The General Data Entry Keys 28

The Supporting Keys 29

Method Storage and Automation Keys 30

Keypad Functionality When the GC Is Controlled by an Agilent Data

System 31

The Service Mode Key 31

About GC Status 32

Status board 32

Alert tones 32

Error conditions 33

Blinking setpoint 33

About Logs 35

Maintenance log 35

4Operation Manual

4 Methods and Sequences

What Is a Method? 38

What Is Saved in a Method? 38

What Happens When You Load a Method? 39

Creating Methods 40

To load a method 41

To store a method 41

What Is a Sequence? 43

Creating Sequences 43

Automating Data Analysis, Method Development, and Sequence

Development 47

5 Running a Method or a Sequence from the Keypad

Running Methods from the Keypad 50

To manually inject a sample with a syringe and start a run 50

To run a method to process a single ALS sample 50

To abort a method 50

Running Sequences from the Keypad 51

To start running a sequence 51

To pause a running sequence 51

To resume a paused sequence 52

To stop a running sequence 52

To resume a stopped sequence 52

Aborting a sequence 52

To resume an aborted sequence 52

6 Chromatographic Checkout

About Chromatographic Checkout 54

To Prepare for Chromatographic Checkout 55

To Check FID Performance 57

To Check TCD Performance 62

To Check NPD Performance 67

To Check uECD Performance 72

To Check FPD+Performance (Sample 5188-5953) 77

Preparation 77

Phosphorus performance 78

Sulfur performance 82

Operation Manual 5

To Check FPD+Performance (Sample 5188-5245, Japan) 84

Preparation 84

Phosphorus performance 85

Sulfur performance 89

To Check FPD Performance (Sample 5188-5953) 91

Preparation 91

Phosphorus performance 92

Sulfur performance 96

To Check FPD Performance (Sample 5188-5245, Japan) 99

Preparation 99

Phosphorus performance 100

Sulfur performance 104

7 Resource Conservation

Resource Conservation 108

Sleep Methods 108

Wake and Condition Methods 110

To Set the GC to Conserve Resources 112

To Edit an Instrument Schedule 115

To Create or Edit a Sleep, Wake, or Condition Method 116

To Put the GC to Sleep Now 117

To Wake the GC Now 118

8 Early Maintenance Feedback

Early Maintenance Feedback (EMF) 120

Counter types 120

Thresholds 121

Default Thresholds 122

Available Counters 123

To Enable or Change a Limit for an EMF Counter 126

To Disable an EMF Counter 127

To Reset an EMF Counter 128

EMF Counters for Autosamplers 129

Counters for 7693A and 7650 ALS with EMF-enabled firmware 129

Counters for ALS with earlier firmware 129

EMF Counters for MS Instruments 130

6Operation Manual

9 GC-MS Features

GC/MS Communications 132

Venting the MSD 132

MS Shutdown events 132

To Set Up a Vent Method 134

To Manually Prepare the GC for Venting the MS 135

To Manually Exit the MS Vent State 136

To Use the GC When the MSD is Shut Down 137

To Enable or Disable MS Communications 138

10 Configuration

About Configuration 140

Assigning GC resources to a device 140

Setting configuration properties 141

General Topics 142

To Unlock the GC Configuration 142

Ignore Ready = 142

Information displays 143

Unconfigured: 143

Oven 144

To configure the oven for cryogenic cooling 145

Front Inlet/Back Inlet 147

To configure the Gas type 147

To configure the PTV or COC coolant 147

To configure the MMI coolant 149

Column # 151

To view a summary of column connections 154

Composite Columns 160

To configure composite columns 161

LTM Columns 162

LTM Series II column modules 162

Cryo Trap 163

Front Detector/Back Detector/Aux Detector/Aux Detector 2 165

To configure the makeup/reference gas 165

Lit offset 165

To configure the FPD heaters 165

To ignore the FID or FPD ignitor 166

Operation Manual 7

Analog out 1/Analog out 2 167

Fast peaks 167

Valve Box 168

To assign a GC power source to a valve box heater 168

Thermal Aux 169

PCM A/PCM B/PCM C 172

Pressure aux 1,2,3/Pressure aux 4,5,6/Pressure aux 7,8,9 174

Status 175

Time 176

Valve # 177

Front injector/Back injector 178

Sample tray (7683 ALS) 180

Instrument 181

Using the Optional Barcode Reader 182

Barcode reader power 182

Installing the barcode reader 183

To scan configuration data using the G3494B RS-232 barcode

reader 183

To scan configuration data using the G3494A USB barcode reader 184

To uninstall the RS-232 barcode reader 184

11 Options

About Options 186

Calibration 186

To zero a specific flow or pressure sensor 188

Column calibration 188

Communication 193

Configuring the IP address for the GC 193

Keyboard and Display 194

8Operation Manual

Agilent 7890BGas Chromatograph

Operation Manual

Agilent Technologies

Introduction

Chromatography Using a GC 10

The Operating Panel 11

This document provides an overview of the individual

components that make up the Agilent 7890B Gas

Chromatograph (GC).

10 Operation Manual

1Introduction

Chromatography Using a GC

Chromatography is the separation of a mixture of

compounds into individual components.

There are three major steps involved with separating and

identifying components of a mixture using a GC. They are:

1Injecting a sample into the GC. (This takes place at the

inlet.)

2Separating the sample into individual components. (This

takes place inside the column in the oven.)

3Detecting what compounds were in the sample. (This is

done in the detector.)

During this process, status messages from the GC are

displayed, and user changes to parameter settings can be

made through the operating panel or data system.

Refer to the Advanced Operating Manual and the Getting

Started manual for more details.

Inlet

Oven

Detector

Operating panel

Power switch

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