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3）
STEL VALUE（Threshold Limit Value - Short Term Exposure Limit : Short-Time
Exposure Limits）
The TLV-STEL alarm will sound when the latest 15-minute moving average concentration
(mg/m3) exceeds this set value.
And a message "S-ALARM" will be displayed on the screen.
Also, the alarm will go off if the concentration exceeds the TLV-TWA set value over 5 times
within 8 hours, or the concentration exceeds the TLV-TWA set value at the last 60 minutes of
the measurement. If the set measurement time is less than 8 hours, the set time will be
applied as is.
*If the STEL value is set to "10" at the integer part, the value will be cut down automatically to
the TLV-C set value -0.001.
*If the STEL value is set higher than the TLV-C value, the value will be automatically
adjusted to TLV-C set value -0.001.
*If the STEL value is set lower than the TLV-TWA value, the value will be automatically
adjusted to TLV-TWA set value +0.001.
Set the value in the following order: integer part → first
decimal place →
decimal place.
Use the [△][▽] keys to move cursor/change value.
Use [SET] key to select/set next value/apply the change.
[MENU] key to cancel/return.
second decimal place →
third
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