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Data Logging
Stay Time
13
Stay Time
The screen(s) displaying stay time data appear different for each of the possible
indices (available with QUESTempº 36 model only).
If ACGIH is selected, the recommended working minutes per hour are shown for
each of the workload categories Light (L), Moderate (M), Heavy (H), and Very
Heavy (VH). (Please see Figure 1-14 above.)
If the Navy PHELS are selected, the recommended working hours are shown
based on a maximum of eight hours. Three screens are used to display the PHELs
two at time.
NOTE: “8:01” following one of the PHELs indicates greater than eight hours.
Figure 1-17: Navy Stay time screen
If EPRI is selected, the recommended working hours are shown based on a
maximum of four hours. Working hours for Light (L), Moderate (M), and Heavy (H)
workload categories are displayed below.
NOTE: “4:01” indicates greater than four hours.
Figure 1-18: EPRI Stay time screen
Data Logging
Data from each sensor is recorded at the interval set by the logging rate (for
QUESTempº 34 & 36 models only). Every time Run/Stop is pressed, a session is
either started or ended in memory. Each session contains a header with time,
date, and summary information.
Memory Table: Gives the number of logging DAYS.
Log Rate
1 min
2 min
5 min
10 min
15 min
30 min
60 min
1 sensor
11.2
22.5
56.2
112.4
168.6
337.3
674.5
2 sensors
5.6
11.2
28.1
56.2
84.3
168.6
337.3
3 sensors
3.7
7.5
18.7
37.5
56.2
112.4
224.8
Table 1-1: Example of a Memory table
PHEL_5 3:10 1
PHEL_6 2:10
L M H 1
4:01 3:00 1:30
Light, Medium, and Heavy
maximum hours displayed