Second hand Agilent gas chromatograph, Agilent7820A

Second hand Agilent gas chromatograph, Agilent7820A

The main features of Agilent 7820A gas chromatograph are:

Full electronic gas path control (EPC) can be used for all injection ports and detectors, ensuring extremely suitable reproducibility and reliable accuracy and precision

Easy to master and use - Simple and intuitive Agilent EZChrom Elite Compact software

The simplified front panel buttons and display screen of the gas chromatograph provide sequence information, instrument condition, and operating status, and greatly reduce operational errors

Automatic liquid sampler supporting 16 sample bottles

Provided performance for improving work efficiency and all routine applications (including some applications that must comply with regulatory requirements)

Selection of injection ports: Split/non split injection ports are suitable for large diameter columns and all capillary columns; The filling column injection port is suitable for large-diameter capillary columns and filling columns

Selection of injection ports: Split/non split injection ports are suitable for large diameter columns and all capillary columns; The filling column injection port is suitable for large-diameter capillary columns and filling columns

Through the accompanying software keyboard and display screen, users can control the Agilent 7820A gas chromatograph system after connecting it with the integrator or third-party software. Technical parameters:

Second hand Agilent gas chromatograph, Agilent7820A

Specification and weight

Height: 49 cm

Width: 56 cm

Thickness: 51 cm

Average weight: 50 kg

GC instrument keyboard and display

Chinese or English

environmental conditions

Indoor use

Environmental temperature: 15 to 30 ° C

Environmental humidity: 30 to 70%

Storage conditions: -40 to 70 ° C

Operating altitude: 3100 meters

Agilent 7820A gas chromatograph performance indicators, safety and regulations, standard safety standards:

Canadian Standards Association (CSA): C22.2 No. 61010

CSA/National Certification Testing Laboratory (NRTL): UL61010

International Electrical Commission (IEC): 61010

European Standard (EN): EN61010

Complies with the following electromagnetic compatibility (EMC) and radio frequency interference (RFI) regulations

CISPR 11/EN 55011:1 Class

? IEC/EN 61326

The design and manufacturing follow the ISO 9001 quality system. We can provide ISO 9001 certification.

Agilent 7820A gas chromatograph system overall performance:

Retention time repeatability:<0.06%

Peak area repeatability:<2%

Power requirements

? 220 V (+10%, –10%)

Frequency: 47.5~63 Hz

? 100 V， Power 1500 W; other voltages, power 2250 W column temperature box

Size: 28.0 x 30.5 x 16.5 cm

Operating temperature: 8 ° C to 425 ° C above room temperature

Temperature setting resolution: 1 ° C

Heating rate: 75 ° C/min (see Table 1)

Running time: 999.99 minutes

Program heating order: 5

Temperature fluctuation: Environmental temperature changes by 1 ° C, column temperature box temperature changes by<0.01 ° C

- Column box temperature gradient:~2%

Program heating repeatability:~1%

heating zone

Independent heating zone, without column temperature box: 5 (2 for injection port, 2 for injection port)

Detector, and an auxiliary)

Operating temperature of auxiliary heating zone: 350 ° C

Supports up to two heating valves

Electronic Gas Circuit Control (EPC)

All injection ports and detectors are electronically controlled

Injection port EPC module

The pressure setting value has a control accuracy of 0.01 psi

Accuracy of flow sensor:<± 5%

Accuracy of detector EPC module:<8% of the set value

injection port

Install two injection ports simultaneously

Configurable injection port:

– Purging the filling column injection port (PP)

Split/non split capillary injection port (S/SL)

Blow and fill the column injection port

Electronic flow control

Operating temperature 400 ° C

Flow rate:<100 mL/min

The adapter can be used for 1/4 inch and 1/8 inch fill columns, as well as 0.530 mm

capillary column

Split/non split capillary injection port (S/SL)

Electronic pressure/flow control

Operating temperature 400 ° C

Pressure range: 0 to 60 psi

Split ratio: 250:1

Total flow setting range: for nitrogen: 0 to 200 mL/min; For H2 or He:

0 to 500 mL/min

detector

All detectors use electronic gas path control (EPC) for gas. Can install two at the same time

A detector.

Available detectors

Flame Ionization Detector (FID)

Thermal conductivity detector (TCD)

Electron Capture Detector (ECD)*

Nitrogen Phosphorus Detector (NPD)

FID

Electronic pressure/flow control

Operating temperature 425 ° C

Minimum detection limit (MDL):<3 pg carbon/s, determined using tridecane

Linear dynamic range:>107, using N2 carrier gas, nozzle with inner diameter of 0.29 mm

Data acquisition rate of 100 Hz

TCD

Electronic pressure/flow control

Operating temperature 400 ° C

Minimum Detection Limit (MDL):<800 pg propane/mL, using He carrier gas (experimental)

The indoor environment may affect MDL

Sensitivity:>80000 mV/mL/mg

Linear dynamic range: 105 (± 10%)

ECD*

Electronic pressure/flow control

Equipped with hidden anode and high flow rate for anti pollution

Operating temperature 400 ° C

Tail blowing: argon gas/5% methane or nitrogen gas

Radiation source:<15 mCi 63Ni

Minimum Detection Limit (MDL):<0.02 pg/mL Lindane

Dynamic range:>104, measured with Lindane

Data acquisition rate 50 Hz

*ECD is not available in Japan

NPD

Electronic pressure/flow control

Operating temperature 400 ° C

Minimum Detection Limit (MDL):<0.4 pg N/s,<0.2 pg P/s, using azobenzene/

Mixture determination

Selectivity: 25000 to 1 gN/gC, 75000 to 1 gP/gC, using azobenzene/

Determination of sulfur phosphorus mixture

Dynamic range:>104 N,>104 P, determined using a mixture of azobenzene/parathion

Data acquisition rate: up to 100 Hz

Optional Automatic Liquid Sampler (ALS)

Supports one G4513A automatic sampler with a capacity of 16 sample bottles

data communication

Equipped with one analog signal output channel (1 mV, 1 V, and 10 V outputs) as standard

Remote start/stop