Key facts
- Brand
- Agilent
- Model
- 7820A
- Category
- Other
- Industry
- Industrial
- Documents
- 25
- Languages
- EN · ZH · FR · DE · IT · ES
- Last added
- 2026-10-17
Start here

Agilent 7820A Gas Chromatograph Quick Start Guide
The Quick Start Guide provides essential information to get the Agilent 7820A Gas Chromatograph up and running. It includes safety notices that define CAUTION and WARNING alerts, warranty statements, and licensing information. The guide also outlines the steps to locate the instrument DVD, select language, and open the Installation Guide.
Additional online user documentation is available on the GC and GC/MS Hardware User Information & Utilities DVD that ships with the instrument. The DVD contains localized versions of safety, regulatory, installation, operation, maintenance, and troubleshooting information in several languages.
Agilent 7820A specifications
| Minimum Processor | 1.5 GHz Pentium 4 |
|---|---|
| Recommended Processor | Intel Dual-Core 3.4 GHz or higher |
| Minimum RAM | 1 GB |
| Recommended RAM | > 2 GB (Windows XP Pro) |
| Minimum Hard Disk | 40 GB |
| Minimum Video Resolution | 1024 x 768 |
| Recommended Video Resolution | 1280 x 800 |
| Required LAN | 10/100 baseT |
| Required Operating System | Windows XP Pro, Service Pack 3 |
All Agilent 7820A documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Disassembly, diagnostics and part numbers, for repair.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- Agilent 7820A Gas Chromatograph Operating Guide 66 p
- Agilent 7820A Gas Chromatograph User Guide 66 p
- Agilent 7820A GC Safety Guide 16 p
- Agilent 7820A Gas Chromatograph Operation Manual 68 p
- Agilent 7820A Gas Chromatograph User Manual 68 p
- Agilent 7820A Gas Chromatograph User Guide 66 p
- Agilent 7820A Gas Chromatograph Operating Guide 66 p
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
- Agilent Analysis of permanent gases light hydrocarbons using Agilent 7820A GC with 3-valve system Manual 6 p
- Agilent 7820A Gas Chromatograph Analysis of Trace Hydrocarbon Impurities in Benzene Application Brief 4 p
- Agilent 7820A GC Application Brief for Formic Acid Determination 4 p
- Agilent 7820A GC/7697A Headspace Sampler Application Note: Analysis of Ethanol in Blood 6 p
The shortest path to a working setup, usually only a few pages.
Questions answered in these manuals
What is required for performance verification of the 7820A GC?
Performance verification requires the use of helium carrier gas.
Is network setup included in the basic installation services?
No, network setup of instruments or computers to the site network is not included in the basic installation and familiarization services.
How many instruments can be synchronized using the remote start/stop cable?
Up to ten instruments can be synchronized with the cable.
What pull‑up resistor value is required for the APG signal?
A pull‑up resistor of approximately 1 kΩ to 1.5 kΩ is required.
What safety risks are associated with using the Agilent 7820A gas chromatograph?
Users may suffer burns from hot areas, glass cuts from capillary columns, or exposure to harmful gases if the injector is opened.
What pressure settings are typically used for carrier and detector gases?
Carrier gas pressure should be set to 400 kPa (60 psi) and detector gas pressure to 550 kPa (80 psi).
