Ozone aging test chamber common problems and countermeasures

1. 30 seconds after power-on, there is no ozone concentration value display in the secondary meter, only the upper or lower limit is displayed?
Responses:
a. Normally, the upper limit is generally no 4-20 mA signal input. Check whether the ozone transmitter has 24V power supply â†’ 4-20mA output line â†’ whether the connection line between the sensor and the main board is loose or loose.
b, the lower limit may be the transmitter zero is too low, you can adjust the zero point (zero point: open the front cover with a small screwdriver to see the ZERO potentiometer slowly adjust counterclockwise until the secondary table shows the value).
c. Open the front cover of the transmitter, adjust the multimeter to the voltage gauge and measure the two copper pins above (the zero voltage should be 40mV). If it is too high or too low, adjust it to 40mV, and adjust the method according to the zero adjustment point in 2 method.
2. When the experiment is performed, the ozone concentration display value cannot stably control the value range, or high or low.
Responses:
a. The transmitter must be polarized for several tens of hours before leaving the factory. After confirming the stability, it can be shipped from the factory. Generally, this situation is usually caused by the transmitter and the cabinet being connected. Do the insulation between the transmitter and the cabinet.
3. When the ozone aging test chamber is tested, the ozone display value stays at the value after power on, and does not rise.
Responses:
There are several situations in this phenomenon:
a, no control value: set the control value can b, the ozone generator does not work: detect whether the solid state relay has output, whether the line is connected wrong, whether the solid state relay has been working.
c. The ozone generator is working without ozone: contact the manufacturer.
d, the above several cases have not appeared, the ozone concentration is also high, is the actual value without rising: this phenomenon is generally caused by burning the triode in the transmitter in the case of the transmitter connected to the wrong line, please Manufacturer contact.
4. When the ozone aging test chamber is tested, the ozone generator has been working, and the displayed value has been rising and cannot be controlled.
Responses:
This phenomenon is usually caused by a solid state output signal or a solid state relay.

The above four points are the problems that the after-sales service personnel often encounter. After a period of experience and summary, the reasonable response measures are given, and the cable industry as the lifeblood industry, its quality monitoring work has always been the focus of the community.

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