Umbrales De Alarma Fijados De Fábrica - MSA ALTAIR 5 Manual De Funcionamiento

5.2 Umbrales de Alarma Fijados de Fábrica
NOTA: Las unidades para Australia tienen límites de alarma ligera-
mente distintos para COMB y CO que lo ilustrado abajo.
Sensor Alarma Alarma
BAJA ALTA
COMB 10% LEL 20% LEL
CO 25 ppm 100 ppm
H 2 S 10 ppm 15 ppm
O 2 19.5% 23.0%
SO 2 2.0 ppm 5.0 ppm
NO 2 2.0 ppm 5.0 ppm
NH 3 25 ppm 50 ppm
PH 3 0.3 ppm 1.0 ppm
Cl 2 0.5 ppm 1.0 ppm
ClO 2 0.1 ppm 0.3 ppm
HCN 4.5 ppm 10.0 ppm
IR CO 2 0.5% Vol 1.5%Vol
(5%)
IRCO 2 0.5%Vol 1.5%Vol
(10 Vol%)
IR CO 2 0.5%Vol 1.5%Vol
(50 Vol%)
IR 15%LEL 29%LEL
Propano
(LEL)
IR 8% Vol 15% Vol
Propano
(25% Vol)
IR 21% LEL 50% LEL
Butano
(LEL )
IR 8% Vol 15% Vol
Butano
(25% Vol)
IR 8% Vol 15% Vol
Metano
(25% Vol)
1 STEL y TWA no aplican para gases combustibles y oxígeno.
5-2
Punto de Fijación STEL
Min Max
5% LEL 60% LEL -- 1
20 ppm 950 ppm 100 ppm
5 ppm 175 ppm 15 ppm
5.0% 24.5% -- 1
2.0 ppm 17.5 ppm 5 ppm
1.0 ppm 17.5 ppm 5.0 ppm
10 ppm 75 ppm 35 ppm
0.3 ppm 3.75 ppm 1.0 ppm
0.3 ppm 17.5 ppm 1.0 ppm
0.1 ppm 0.9 ppm 0.3 ppm
2.0 ppm 20.0 ppm 10 ppm
0.2%Vol 5%Vol 0.5% Vol
0.2%Vol 8%Vol 0.5%Vol
0.5%Vol 50%Vol 0.5%Vol
9%LEL 100%LEL -- 1
1
5%Vol 25%Vol --
11% LEL 100% LEL -- 1
5% Vol 25% Vol -- 1
2.5% Vol 25% Vol -- 1
TWA Valores de
Cal por
omisión
-- 1 Ver la
Sección
5.6
25 ppm 60 ppm
10 ppm 20 ppm
-- 1 15.0%
2.0 ppm 10 ppm
2.0 ppm 10 ppm
25 ppm 25 ppm
0.3 ppm 0.5 ppm
0.5 ppm 10 ppm
0.1 ppm 0.8 ppm
4.5 ppm 10 ppm
1.5%Vol 2.50%
1.5%Vol 2.50%
1.5%Vol 15%
-- 1 35% LEL
1
-- 8%
-- 1 36% LEL
-- 1 8%
-- 1 20%