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Application: ①According to the provisions of GB15980,YY 0469, GB/T32610, GB
2626, GB 19083 the residual amount of ethylene oxide in disposable
syringes, surgical gauze and other medical supplies should be no
more than 10ug/g, which is considered as qualified. The gas
chromatograph is specially designed for the detection of residual
amount of ethylene oxide and epichlorohydrin in medical
instruments. Standards: GB15980,YY 0469, GB/T32610, GB 2626, GB 19083 |
I. High circuit integration, high precision, multi-function.
1) All microcomputer button operation, 5.7-inch (320*240) large
screen LCD display in English and Chinese, English and Chinese
display can be freely switched to meet the operation requirements
of different people, man-machine dialogue, easy to operate.
2). The microcomputer control hydrogen flame detector realizes the
automatic ignition function, which is more intelligent.New
integrated digital electronic circuit, high control precision,
stable and reliable performance, up to 0.01℃ temperature control
precision3).Gas protection function, protect chromatographic column
and thermal conductivity pool, electron capture detector.
It has the function of power-on self-diagnosis, which enables the
user to quickly know the cause and location of instrument failure,
the function of stopwatch (convenient for flow measurement), the
function of power failure storage and protection, the function of
anti-power mutation and interference, the function of network data
communication and remote control. Over - temperature protection
function guarantee. The instrument is not damaged, with data memory
system, no need to reset every time.
II. The injection system is uniquely designed to lower the
detection limit.
1. Unique injector design to solve injection discrimination;The
double column compensation function not only solves the base line
drift caused by the program temperature rise, but also subtracts
the influence of the background noise, can obtain the lower
detection limit.
2. Packed column, capillary split/non-split injection system (with
diaphragm cleaning function)
3. Optional: automatic/manual gas six-way sampler, headspace
sampler, thermo-analytical sampler, methane reformer, automatic
sampler.
III.Program heating, precise control of furnace temperature, stable
and fast.
1. The eight-order linear program temperature rise, the rear door
adopts the photoelectric switch contactless design, reliable and
durable, intelligent rear door system stepless variable air flow in
and out, shorten the program after the temperature rise/drop the
stable balance time of each detector system, the real realization
of near-room temperature operation, temperature control precision
up to ±0.01℃, meet the wide range of analysis requirements.
2. The large volume of the column box, the intelligent rear door
system stepless variable inlet and outlet air volume, shorten the
time for the stability and equilibrium of each detector system
after the program is promoted/cooled; Heating furnace system:
ambient temperature +5℃ ~ 420℃
3. Better adiabatic effect: when the column box, vaporization and
detection are all 300 degrees, the outer box and the top cover are
less than 40 degrees, which can improve the experimental rate and
guarantee the safety of users.
4. Unique vaporization chamber design, dead volume is smaller;
Accessories replacement: injection pad, liner, polarizing pole,
collecting pole, nozzle can be replaced with one hand;
Main body replacement: the filling column, capillary injector and
detector can be completely disassembled with only a wrench, which
is very convenient for maintenance.
High sensitivity, high stability detector, to meet the needs of different schemes Hydrogen flame ionization detector (FID), thermal conductivity cell detector (TCD), electron capture detector (ECD), Flame photometric detector (FPD), nitrogen and phosphorus detector (NPD) Various detectors can be independently controlled temperature, hydrogen flame detector easy to disassemble and install, easy to clean or replace the nozzle.
Model | GT-RA7890 | |
Various injectors are available | Packed column injector, split/split capillary injector | |
Column oven | Temperature range | Room temperature+5~420℃ |
Temperature setting | 1℃; The program sets the heating rate to 0.1 degree | |
Maximum heating rate | 40℃/ min | |
Temperature stability | When the ambient temperature changes1℃, 0.01℃. | |
Temperature Programming | Order program temperature can be adjusted | |
Detector index Flame ionization detector (FID) | Manipulation of the temperature | 400℃ |
LOD | ≤5×10-12g/s (Hexadecane) | |
Drifting | ≤5×10-13A/30min | |
Noise | ≤2×10-13A | |
Dynamic linear range | ≥107 | |
Dimension | 465*460*550mm | |
Mainframe weight | 40kg | |
Input power | AC220V 50HZ Max Power: 2500w |
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