TSI Instruments SidePak AM520, Руководство пользователя

Страница: 53 / 98

Operation 37
5. If the display shows N/A for the TWA, it means that there is not
enough data in that test to compute the TWA. The instrument
must be operated for a minimum of 15 minutes before a valid
TWA may be calculated.
6. Press the MENU key to return to STATISTICS MENU .
Clear Memory
Clear Memory permanently erases all
logged data and associated statistics
stored in memory. It will not affect the
Prog-1 through Prog-7 stored programs,
stored Cal Factors, or any other settings.
To Clear Memory
1. Select Data
from the MAIN MENU with the ▲ ▼ keys and press

(ENTER) .
2. Under DATA menu, select Clear Memory
with the ▲ ▼ keys and
press

(ENTER).
3. You will be prompted to confirm your intention.
4. Press

(ENTER) . You will be returned to the Data menu.
Alarms
The unit is equipped with four alarm types:
•
General Alarm (Mass Concentration)
•
General Alarm (Response Concentration)
•
STEL Alarm (Mass Concentration)
•
STEL Alarm (Response Concentration)
Each of the alarms have five default alarm settings: 0.5 mg/m
3
,
1 mg/m
3
, 3 mg/m
3
, 5 mg/m
3
, and 15 mg/m
3
and OFF. The Mass
Concentration measurement is used for the Mass Alarm and
Mass STEL types. The Response Concentration is used for the
Response Alarm and Response STEL types.
TrakPro
™ software can be used to set each of the alarm values from
0.001 to 999 mg/m
3
.