Apogee Instruments MQ-620 Посібник користувача - Сторінка 9
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MQ series quantum meters are designed with a user-friendly interface allowing quick and easy measurements.
To power the meter, slide the included battery (CR2320) into the battery holder, after removing the
battery door from the meter's back panel. The positive side (designated by a "+" sign) should be facing out from
the meter circuit board.
Press the power button to activate the LCD display. After two minutes of non-activity the meter will revert
to sleep mode and the display will shut off to conserve battery life.
Press the mode button to access the main menu, where manual or automatic logging are selected, and
where the meter can be reset.
Press the sample button to log a reading while taking manual measurements.
Press the up button to make selections in the main menu. This button is also used to view and scroll
through the logged measurements on the LCD display.
Press the down button to make selections in the main menu. This button is also used to view and scroll
through the logged measurements on the LCD display.
Logging: To choose between manual or automatic logging, push the mode button once and use the up/down
buttons to make the appropriate selection (SMPL or LOG). Once the desired mode is blinking, press the mode
button two more times to exit the menu. When in SMPL mode press the sample button to record up to 99 manual
measurements (a counter in the upper right hand corner of the LCD display indicates the total number of saved
measurements). When in LOG mode the meter will power on/off to make a measurement every 30 seconds. Every
30 minutes the meter will average the sixty 30 second measurements and record the averaged value to memory.
The meter can store up to 99 averages and will start to overwrite the oldest measurement once there are 99
measurements. Every 48 averaged measurements (making a 24 hour period), the meter will also store an
integrated daily total in moles per meter squared per day (mol m
The LCD display consists of the total number of logged
measurements in the upper right hand corner, the real-time
PPFD value in the center, and the selected menu options along
the bottom.
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