Low-concentration ozone standard gas generating device
The utility model relates to a low-concentration ozone standard gas generating device. The low-concentration ozone standard gas generating device comprises a zero air inlet, wherein the zero air inlet is connected with a first pressure stabilizing valve and a second pressure stabilizing valve respec...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a low-concentration ozone standard gas generating device. The low-concentration ozone standard gas generating device comprises a zero air inlet, wherein the zero air inlet is connected with a first pressure stabilizing valve and a second pressure stabilizing valve respectively, the second pressure stabilizing valve is connected with an exhaust hole by an air pipe, the first pressure stabilizing valve is connected with an ozone generator which is connected with a gas mixing bin, the gas mixing bin is connected with a first solenoid valve and a second solenoid valve respectively, the second pressure stabilizing valve is connected with the first solenoid valve and the second solenoid valve respectively, the first solenoid valve is connected with a first verification and calibration device which is connected with a first flowmeter, the second solenoid valve is connected with a second verification and calibration device which is connected with a second flowmeter, and both the first flo |
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