Wuhan GDMK Electric Co., Ltd.
https://www.mktester.com/transformer-oil-tester/transformer-oil-chromatography.html
Product description:
This instrument absorbs the advanced technology of similar products at home and abroad, and can set up various parameters through the keyboard. This machine has a power down protection, over temperature protection, "0" C protection and gas protection, automatic electronic ignition, etc. it has the characteristics of stable and reliable performance, simple and reasonable structure, simple operation, high expansibility, etc.
Technical index:
Temperature control:
a. Chromatographic column chamber temperature:
a.1 Temperature control range: room temperature +8?~400?(Set the temperature increment 1?)
a.2 The precision of temperature control: It is±0.1?, which is below 200?;
It is±0.2?, which is above 200?.
a.3 Temperature gradient :It is less than 1% in the column effective region.
a.4 The deviation between indicating temperature and set temperature is less than 0.5 ?.
a.5 The deviation between actual temperature and indicating temperature is less than 2%
6 Maximum heating power 1500W
a.7 PT100 corundum ceramic platinum resistance is used in temperature sensing element
b. Convert temperature:
b.1 The precision of temperature control:
It is±0.1?, which is below 200?;
It is±0.2?, which is above 200?;
b.2 Maximum service temperature 400?
b.3 Adopt horizontal heating, two pieces of 100 W with internal heating types of stainless steel bar
b.4 PT100 corundum ceramic platinum resistance is used in temperature sensing element
c.Hydrogen flame detector temperature:
c.1 The precision of temperature control: It is±0.1?, which is below 200?;
It is±0.2?, which is above 200?;
Maximum service temperature 400?
c.2 Adopt horizontal heating, two pieces of 90 W with internal heating types of stainless steel bar
c.3 PT100 corundum ceramic platinum resistance is used in temperature sensing element
d.Thermal Conductivity detector temperature:
d.1The precision of temperature control: It is±0.1?, which is below 200?;
It is±0.2?, which is above 200?;
Maximum service temperature 400?
d.2 Adopt vertical circular heating, two pieces of 90 W with internal heating types of stainless steel bar
d.3 PT100 corundum ceramic platinum resistance is used in temperature sensing element
Thermal Conductivity detector
a. sensitivity: S=3000mv·ml/mg(benzene, H2)
b. noise: =0.02mv
c. drift: =0.1mv/h
d. built-in preamplification
e. Semi diffusion type, 100O four arm rhenium tungsten wire
f. Constant-current source power supply mode
(3) Hydrogen flame detector
a. Limit of detection M=2×10-11g/s (benzene/ carbon disulfide)
b. noise: =5×10-13A
c. drift: =5×10-12A/30min
d. Lift limit of detection: M=1×10-9g/s
e. Lift drift: every cycle=5×10-12A
f. whole collector type, metal nozzle
Platinum ignitor fuse
(4)Dimension and weight
a. Main machine dimension: 610(width)*460(height)*470(depth)
b. Weight: about 60kg
3. Instrument optional peripheral equipment and accessories:
(1)Workstation of chromatography data.
(2)Gas source:
hydrogen, air,nitrogen(99.999%).
(3)planar six-way gas sampler
(4) Methane conversion oven