MSA MultiGard 5000 - Page 25

17
3103-1001 Rev. 0
Table 3.3: EXAMPLES OF DWELL TIME DATA ENTRIES
SENSOR TYPE
CALIBRATION RANGE
MSA PART NUMBER
WARNING LEVEL **
ALARM LEVEL **
Analysis Time (sec) ++
Extended
Analysis
Time (sec)
Extended Analysis Time Trigger
@ 1.5 SCFH
Flow Rate
@ 0.5 SCFH
Flow Rate
Sensor Increasing
Sensor
Decreasing
Rate Trigger
( per sec)
COMBUSTIBLE GAS
0-100% LEL
20 % LEL **
40 % LEL **
A
24
34
0
20 % LEL
(warning level)
-100
3 %
(0.16 X
warning level)
B
11
21
13
18 % LEL
(0.9 X warning level)
-100
C
5
15
19
10 % LEL
(0.5 X warning level)
-100
CARBON MONOXIDE
0-100 PPM
25 PPM **
50 PPM **
A
60
70
0
25 PPM
(warning level)
-100
1.5 PPM
(0.06 X
warning level)
B
40
50
20
22 PPM
(0.9 X warning level)
-100
C
12
22
48
12 PPM
(0.5 X warning level)
-100
CARBON MONOXIDE
0-500 PPM
100 PPM **
200 PPM **
A
60
70
0
100 PPM
(warning level)
-500
6 PPM
(0.06 X
warning level)
B
40
50
20
90 PPM
(0.9 X warning level)
-500
C
12
22
48
50 PPM
(0.5 X warning level)
-500
OXYGEN
0-25%, MEASUREMENT
FOR
OXYGEN DEFICIENCY
19.5 % **
18.0 % **
A
40
50
0
25
19.5 %
(warning level)
0.3 %
(0.22 X (20.8-
warning level))
B
9
19
31
25
19.7 %
((0.9 X warning
level) + 2.08)
C
5
15
35
25
20.2 %
((0.5 X warning
level) + 10.4)
OXYGEN
0-10%, MEASUREMENT
FOR
OXYGEN IMPURITY
807071
2.0 % **
5.0 % **
A
60
70
0
2.0 %
(warning level)
-10
0.2 %
(0.10 X
warning level)
B
21
31
39
1.8 %
(0.9 X warning level)
-10
C
11
21
49
1.0 %
(0.5 X warning level)
-10
- TABLE CONTINUED ON FOLLOWING PAGE -