Vetus PD1000 Manual De Instalación Y Usuario página 24

6 Technical details
Power supply
Power supply limits
Current taken Intermittent
Current taken Continuous (per sensor)
Maximum current on outputs for fan, fuel
shut off valve and external alarm
Length of sensor cable
The following applies to the detection of petrol vapour:
The following gas concentrations and time constants are defined for the detection of CO (car-
bon monoxide):
CO (ppm)
400
300
200
100
80
60
40
30
24
100106.01
Warning : 8 % of the lower explosion limit (LEL) (480 ppm)
Alarm : 10 % of the upper explosion limit (LEL) (600 ppm)
1
20 40
1 SAFE
2 WARNING CO
3 ALARM CO
: 12 Volt or 24 Volt direct current
: 8 to 30 Volt
: 35 mA average
: 100 mA
: 1A
: 5 metres
2
60 100
3
200 400
t (min)
Gasdetector PD1000
600