Abstract: the ZO series zirconia oxygen analyzer how to selection and installation information produced by excellent
flow meter, flow meter manufacturer to offer you the quotation.
Industrial control abstract: oxygen analyzer for many industrial processes, accurate oxygen measurement is critical.
This can be a testing the purity of industrial gases, prevent leakage monitoring can be a glove box, can also be zui better combustion efficiency of fuel gas control.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is ZO series articles zirconia oxygen analyzer how to selection and installation details.
Industrial oxygen analyzer for many industrial processes, accurate oxygen measurement is critical.
This can be a testing the purity of industrial gases, prevent leakage monitoring can be a glove box, can also be zui better combustion efficiency of fuel gas control.
In view of the needs of different applications tend to have very big, each big manufacturer will provide a wide range of analyzer to ensure that the user can choose zui suitable technical solutions.
A,.
1 ZO series detector.
Insert depth choice: + 300 mm wall thickness,
Detector length specifications have 400 mm, 600 mm, 800 mm, 1000 mm and 1200 mm are available)
2.
Select install cigarette temperature degrees: smoke temperature & lt;
700 ℃, the choice is ZO standard smoke detector temperature & ge;
High temperature 700 ℃, the choice is ZO detector 2 and ZO series of zirconium oxide has the following main features: 1, thermal inertia protection: easy installation, can be installed in hot, adaptability to stop and furnace.
2, sensor using the Japanese ion plating technology, increase the service life.
3, zirconia sensor adopts full stainless steel (321
1Cr18Ni9Ti）
Sheath, excellent wear resistance and corrosion resistance.
4, upright type: without sampling system, fast response, effectively reduce in flue gas ash clogging.
5, thermal diffusion reference: no special reference air pump, simple in operation and maintenance.
6, double parameter design: overcome domestic zirconia discreteness performance, measurement accuracy, prolong service life.
7, working condition of online calibration: accurate and reliable, single standard convenient online calibration gas, point calibration, can be directly measured accurately.
8, double output: has the switch quantity output node and 4 - at the same time
20 ma two output.
9 and removable component: components easy to change, easy maintenance, reduce the cost.
10, multi-function display: oxygen content (
%)
；
The oxygen potential.
Temperature, background potential parameter display intuitive convenient 11, double range: have 0 - at the same time
And 0-10%
20.
6% double range, wide measuring range.
12, the full floating design: common-mode input, the electric field interference resistance is strong, no special ground, convenient installation.
13, big load: 750/4
20 ma, easy installation.
14, the end of this potential is adjustable, the adjusting range is wide, may at any time check the component aging parameters.
15, zirconia sensor adopts full stainless steel (321
1Cr18Ni9Ti）
Sheath, excellent wear resistance and corrosion resistance.
16, series of products, strong adaptability, can be applied to gas, fuel, coal-fired furnace type.
Measuring temperature from room temperature to 1400 degrees can choose suitable model 3, ZO series zirconia oxygen analyzer installation method (
1)
The crates, according to the content of the packing list to check the number and appearance (
2)
Laboratory tests (
一)
Check detector cold, open the checker junction box, measured with a multimeter ohms range, oxygen battery terminal 1 -
As the open circuit state, between 2 resistance exceeds the range, thermocouple terminal 3 -
Normally only a few ohms resistance between 4 and electric stove wire terminals - 7
8 resistance between about 80 & Omega;
As normal.
Pay attention to measuring electric stove wire resistance can only be de-energized.
Terminal 5 - thermoelectric coupling compensation
By visual inspection, between 6 toggle AD590 gently with the hand or tools, fuses shall be tightened on the terminal.
（
B）
Hot check, according to the system even 7 wiring diagram, check after the electricity, heating process of the top panel displays the temperature.
When temperature up to 600 ℃, if the measuring instrument, the program will automatically switch to the oxygen content display status, its value should be within 20 air oxygen content.
6 nearby, if the instrument is in maintenance state, can all operation panel button.
（
一)
Qualitative check if * step confirmed was charged with temperature is 700 ℃ & plusmn;
2 ℃, average thermoelectric potential approximately 28 mv, look up table should temperature and room temperature to 700 ℃ second oxygen potential internal resistance is measured with a multimeter ohms range, positive and negative direction (
Measure of pens and switch)
The measuring time, take the average.
The new probe battery internal resistance is generally less than 100 & Omega;
, after the old probe maintenance should be controlled in 800 & Omega;
Or less.
Note: the battery internal resistance measurement by this method, the instrument should be release and automatic control system, for multimeter is active, a signal superimposed on the oxygen potential, will interfere with the oxygen to be tested.
（
b）
Quantitative calibration: gas according to the instrument calibration standard operation.
（
3)
Before installation should be ready for M12 & prime;
50 screws, nuts, gaskets, washers, and flange sealing washer, etc.
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