| R E V I S I O N E D I S C U S S I O N E |
| whgdmk12345 |
Postato il 06/09/2022 : 03:39:07
https://www.mktester.com/transformer-oil-tester/transformer-oil-chromatography.htmlProduct description#65306;
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#65306;
Temperature control:
a. Chromatographic column chamber temperature#65306;
a.1 Temperature control range: room temperature +8#8451;#65374;400#8451;(Set the temperature increment 1#8451;)
a.2 The precision of temperature control: It is±0.1#8451;, which is below 200#8451;;
It is±0.2#8451;, which is above 200#8451;.
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 #8451;.
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#8451;, which is below 200#8451;;
It is±0.2#8451;, which is above 200#8451;;
b.2 Maximum service temperature 400#8451;
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#65306;
c.1 The precision of temperature control: It is±0.1#8451;, which is below 200#8451;;
It is±0.2#8451;, which is above 200#8451;;
Maximum service temperature 400#8451;
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#65306;
d.1The precision of temperature control: It is±0.1#8451;, which is below 200#8451;;
It is±0.2#8451;, which is above 200#8451;;
Maximum service temperature 400#8451;
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#8805;3000mv·ml/mg(benzene, H2)
b. noise: #8804;0.02mv
c. drift: #8804;0.1mv/h
d. built-in preamplification
e. Semi diffusion type, 100#937; four arm rhenium tungsten wire
f. Constant-current source power supply mode
(3) Hydrogen flame detector
a. Limit of detection M#8804;2×10-11g/s (benzene/ carbon disulfide)
b. noise: #8804;5×10-13A
c. drift: #8804;5×10-12A/30min |
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