6
Users can click "OK" to enter "Save Page" on this page. The user can enter the
device number (five digits): use the "up" and "down" keys to increase the value, and the
"left" and "right" keys to adjust the number of data digits.
After entering the number, press "OK" to save the data. Press the "Back" key to
return to the previous page without saving data.
8. Historical data
In the main menu state, press the "Up" and "Down" keys to select "History Data",
press "OK" to enter the historical data page, and press the "Up" and "Down" keys to select
to view the first record and the last record, respectively. , Press the "up" and "down" keys
to view the data.
9.Set time
In the main menu state, press the "Up" and "Down" keys to select "Set Time" and
press "OK" to enter the Set Time page.
The time value can be decreased or increased by the "Up" and "Down" keys, and the
"Left" and "Right" keys can go to the next or previous modification field. Press the "OK"
key to complete the setting, and press the "Cancel" key to This setting is invalid.
10.Delete records
In the main menu state, press the "Up" and "Down" keys to select "Delete Record",
and press "OK" to enter the Delete Record page.
On this page, the user can press "OK" to delete all data, and press "Cancel" to
return.
V.Matters Needing Attention
The instrument should be placed in a safe place to prevent it from being broken and
avoid severe vibration;
Do not measure corrosive gases;
When adjusting the gas flow, the flow valve should be opened slowly so that the flow
indication is about 0.2 liters / minute;
Before using the instrument, it should be charged in time. When charging, you only
