© PCE Instruments
3
2.2
Display
①
Audio alarm indicator
②
Mode indicator
③
Calibration indicator
④
Automatic power-off
⑤
Battery status
⑥
Cancel calibration
⑦
Measured CO
2
value
⑧
Emoticon CO
2
value
⑨
Air humidity
⑩
Date / time
⑪
Temperature
⑫
Freeze displayed measured value
2.3
Function keys
2.4
Terms / icons
Symbol
Measurement modality
HOLD
Freeze measured values
MAX
Maximum measured value
MIN
Minimum measured value
AVG
Average measured value
TWA
Time weighted average (8 hours)
STEL
Short-term exposure limit (15 minutes weighted average)
