Campbell CS140, Product Manual, Page: 18 / 41

Table 5-7: Message interval
Time Definition
1 to 3600 The amount of time, in seconds, between outputs in continuous mode
Table 5-8: Luminance break down
Luminance Definition
1 to 50000
Current luminance being detected by the sensor. The maximum luminance
level reported by the sensor can be defined by the user via the menu system.
Table 5-9: Visibility units break down
Option Definition
1 cd/m
2
2 fL
Table 5-10: Averaging duration break down
Duration Definition
1 One minute average
10 Ten minute average
Table 5-11: User and system alarms break down
Alarm Range System status Definition
User Alarm 0 or 1
1
0 = User alarm not active
1 = User alarm active
Spare –
– Reserved for future use
Spare –
– Reserved for future use
Spare – – Reserved for future use
Window
contaminated
1
0 to 3
0
1
3
0 = OK. The reported attenuation is
below 10%.
1 or 2 = Reported dirt level is over 10%
3 = High level of returned dirty signal.
This could be either a blocked sensor
or a broken dirty window system.
CS140 Background Luminance Sensor 12