Sper Scientific 850021 Anemometer RH Pen User Manual
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Data Hold
1. To hold the current reading on the LCD, press the Hold
button. The LCD will show the HOLD symbol.
2. Press the Hold button again to resume active measure-
ment.
MEASURING PROCEDURE
Data Record (Maximum & Minimum Reading)
1. The data record function records the maximum and
minimum readings. Press the REC button to start the
Data Record function - REC shows on the display.
2. Press the REC button and the REC MAX symbol, along
with the maximum value will appear on the LCD display.
3. Press the REC button again and the REC MIN symbol,
along with the minimum value will appear on the LCD
display.
4. To exit the memory record function, press the REC
button for a minimum of 2 seconds. The display will
revert back to the current reading, not showing REC.
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MEASURING PROCEDURE
When the LCD display shows REC MAX (or REC MIN),
press the Hold button to delete the stored max (or min)
value.
Auto Power Off Management
1. The meter has a built-in Auto Power Shut-off function in
order to prolong battery life. The meter will switch off
automatically if no buttons are pressed within 10 min-
utes.
2. To disable this feature, select the memory record func-
tion during measurement, by pressing the REC button.