Dräger VarioGard, Инструкция по эксплуатации, Страница: 33 / 280

Dräger VarioGard 33
Configuration
CO
transmitter
1)
NH
3
-sensor O
2
-sensor NO
transmitter
NO
2
-sensor CH
4
-sensor
2) LPG
sensor
2)
CO
2
-sensor
Actual value alarm A1
Alarm threshold 120 ppm 50 ppm 20 % by vol. 10 ppm 1 ppm 10 %LEL 10 %LEL 0.5 vol.-%
Hysteresis 5 ppm 5 ppm 0.2 vol.-% 3 ppm 0.1 ppm 5 %LEL 5 %LEL 500 ppm
Actual value alarm A2
Alarm threshold 120 ppm 200 ppm 19 vol.-% 15 ppm 2 ppm 20 %LEL 20 %LEL 1 vol.-%
Hysteresis 5 ppm 20 ppm 0.2 vol.-% 3 ppm 0.2 ppm 5 %LEL 5 %LEL 500 ppm
Actual value alarm A3
Alarm threshold 120 ppm 500 ppm 18 vol.-% 20 ppm 3 ppm 40 %LEL 40 %LEL 2 vol.-%
Hysteresis 5 ppm 50 ppm 0.2 vol.-% 3 ppm 0.3 ppm 5 %LEL 5 %LEL 500 ppm
Actual value alarm A4
Alarm threshold 120 ppm 1000 ppm 17 vol.-% 20 ppm 5 ppm 40 %LEL 40 %LEL 3 vol.-%
Hysteresis 5 ppm 100 ppm 0.2 vol.-% 3 ppm 0.5 ppm 5 %LEL 5 %LEL 500 ppm
Mean value alarm A1
Alarm threshold 20 ppm 1200 ppm 0 vol.-% 50 ppm 1 ppm 40 %LEL 40 %LEL 1 vol.-%
Hysteresis 4 ppm 0 ppm 0 vol.-% 5 ppm 0.1 ppm 3 %LEL 3 %LEL 500 ppm
Mean value alarm A2
Alarm threshold 40 ppm 1200 ppm 0 vol.-% 50 ppm 2 ppm 80 %LEL 80 %LEL 1 vol.-%
Hysteresis 8 ppm 0 ppm 0 vol.-% 5 ppm 0.2 ppm 3 %LEL 3 %LEL 500 ppm
Mean value alarm A3
Alarm threshold 60 ppm 1200 ppm 0 vol.-% 50 ppm 3 ppm 100 %LEL 100 %LEL 3 vol.-%
Hysteresis 10 ppm 0 ppm 0 vol.-% 5 ppm 0.3 ppm 3 %LEL 3 %LEL 500 ppm
Mean value alarm A4
Alarm threshold 60 ppm 1200 ppm 0 vol.-% 50 ppm 5 ppm 100 %LEL 100 %LEL 3 vol.-%
Hysteresis 10 ppm 0 ppm 0 vol.-% 5 ppm 0.5 ppm 3 %LEL 3 %LEL 500 ppm
Hysteresis of e.g. 10 ppm with a limit of e.g. 100 ppm means that the alarm is set at 100 ppm and reset if the value falls below 90 ppm.
1) Presetting according to VDI 2053 (2004)
2) For VarioGard 3200 CAT and VarioGard 3300 IR Ex