Gas Chromatography

                                              
                                                 
                                                       
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     Specification

Model#

DW-GC1290

Description

EPC(electronic pneumatic control)
 7 inch touch screen display

Sample Introduction System

sample injector and evaporation chamber

Column Oven

Temperature range

Ambient temperature +7℃ ~ 420℃  (in 1℃ increment)

Temperature accuracy

 ± 0.02℃

Cooling time

350℃~100℃≤3min, 400℃~50℃ in 8-10 min at 25℃ ambient

Programmed temperature setting

0.1℃~80℃/min (in 1℃ increment)

Program ramps

20 ramps in total (99 ramps available with control workstation)

Size (L*W*H)

284*280*241mm(inside)

340*345*281mm(outside)

Flame Ionization Detector
(FID)

Detection limit

≤8×10^-12g/s (n-hexadecane)

Drift

≤1.5×10^-13A/h

Noise

≤3×10^-14A

Linearity range

≥10⁶

Flame Photometric Detector
(FPD)

Detection limit

≤8×10^-13g/s(P) ; ≤8×10^-11g/s(S)

Drift

≤2×10^-11A/30min

Baseline noise

≤5×10^-12A

Nitrogen-Phosphorus Detector
(NPD)

Detection limit

≤5×10^-12g/s(N) (Azobenzene)
            ≤5×10^-13g/s(P)  (Malathion)

Features:

Control system: designed for monitoring and controlling the instrument via the computer.
Column Compartment/oven with superior thermal performance, multistage (20 ramps) programmed temperature control function. (supported by “control system”)
Advanced built-in data acquisition system , supporting real time instrument status monitoring, detection signal acquisition and PC control
Column oven supports quick heat-up and rapid cool-down with automated back-door opening.
Flexible sample introduction system: 2 sample injectors could be installed and operated simultaneously with independent temperature control.
High sensibility and stability detector.
2 independent and analog signals output.
M6 software, compatible with GLP/FDA-21 CFR Part11 requirements and regulations. (electronic records and signatures)

Electronic pneumatics control system

Flow rate: 200ml/min (N₂), 1000ml/min (He)
Flow rate accuracy: ±5%
Flow rate repeatability: ±0.35%
Split ratio: 0-5000(He), 0-1000(N₂)
Inlet temperature: 0-420℃

Gas chromatography and accessories:

Carrier Gas System + Sample Introduction System + Separation System + Temperature Control System + Detector
Carrier Gas System: air source/ purification and desiccation device/ flow rate control device
Sample Introduction System: sample injector
Separation System: chromatographic column(packed column and capillary column)
Temperature Control System (Column Oven): constant temperature and programmed temperature
Detector: FID/ FPD/ NPD

Advanced Microcomputer Control System

Superior performance with advanced, microcomputer-based temperature control system
High temperature accuracy (optimum ± 0.02℃), high reliability, and anti-interference
Self-diagnosis/ self-protection function (overheat protection, power-off protection, etc.)
Intuitive display of timing program, detector status, measurement range, current setting, etc

M6 Software interface