GC-6890 gas chromatograph

Tenghai GC-6890 gas chromatograph

Tenghai Analytical Instrument Company is a gas chromatograph manufacturer that integrates production and research and development. Since its launch in the market, the GC-7890 gas chromatograph has gained recognition from customers. The GC-7890 gas chromatograph has a large screen display in both Chinese and English, with simple and clear screen switching, and a stylish and beautiful appearance. Automation, intelligence, multifunctionality, wide heating rate, fast cooling system, stable temperature control technology.

Main performance characteristics:

The comprehensive self diagnostic function enables users to conveniently check the location and type of faults.

Complete temperature overheating protection and platinum wire resistance on/off, short circuit alarm function to ensure that the temperature does not get out of control.

※ Optional built-in AD conversion circuit can directly output digital signals, enabling all control and analysis tasks to be completed on a PC.

The column box can achieve negative temperature operation through dry ice or liquid nitrogen.

Within 180 ℃, the column box control accuracy can reach ± 0.01 ℃.

※ Three packed columns or two capillary columns can be installed simultaneously, and dual amplifiers can work simultaneously. Three detectors and a methane converter can be installed simultaneously.

※ Manual injection, automatic start of injection device, automatic ignition and other functions are optional, and ceramic or quartz nozzles are optional.

The instrument has automatic power-off protection function and stopwatch timing function.

※ Six way temperature control, seven step programmed temperature rise, independent temperature control for capillary and packed column vaporization chambers, intelligent dual rear door opening.

The instrument has a built-in function of storing ten files, which can be called freely.

The instrument truly achieves automatic splitting/non splitting injection (optional).

※ Dimensions: Length 570 x Width 480 x Height 500 (mm)

Column box dimensions: length 270 x width 248 x height 260 (mm)

Instrument weight: 46kg

Main technical indicators:

※ Column box temperature control range: room temperature+2 ℃ -450 ℃ (set in increments of 0.1 ℃).

Temperature accuracy: not greater than ± 0.1 ℃.

Temperature gradient: ± 1 ℃ (100 ℃ -360 ℃ programmed heating).

Heating rate: 0.1 ℃ -40 ℃/min (set in increments of 0.1 ℃). Normal type

0.1 ℃ -80 ℃/min (set in increments of 0.1 ℃). High speed type

※ Temperature control range for injection port and detector: room temperature+10 ℃ -400 ℃.

Voltage 220V ± 10%, power 2200W.

※ 1. FID hydrogen flame ionization detector: sensitivity: Mt ≤ 5 × 10-12g/s; Baseline drift: ≤ 1 × 10-13A/30 points,

Noise: ≤ 5 × 10-14A/30 points, linear range: ≥ 107

2. TCD thermal conductivity cell detector: sensitivity: S ≥ 3500mv.ml/mg; Baseline drift: ≤ 100UV/30 minutes,

Noise: ≤ 20UV, linear range: ≥ 104

3. ECD electron capture detector: sensitivity: Mt ≤ 1 × 10-13g/s, baseline drift: ≤ 60UV/30 minutes,

Noise: ≤ 20UV, linear range: ≥ 104

4. FPD flame photometric detector: Mt ≤ 2 × 10-12g/s (P) Mt ≤ 6 × 10-11g/s (S),

Baseline drift: ≤ 5 × 10-12A/30 points, noise: ≤ 3 × 10-12A,

Linear range: ≥ 103 (P) ≥ 102 (S)

5. NP nitrogen and phosphorus detector: Mt ≤ 8 × 10-13g/s (P) Mt ≤ 1 × 10-12g/s (N),

Baseline drift: ≤ 5 × 10-12A/30 points, noise: ≤ 5 × 10-10A,

Linear range: ≥ 103 (P) ≥ 103 (N)