ABB LLT100 Operating Instructions Manual page 58

LLT100
Laser level transmitter
Tube model
P920
Tube model
P921
Tube model
P922,
P923, P924
54 User Guide | OI-LLT100-EN Rev. D
Ambient temperature ( ° C )
20 30 40
205 155 110
300 225 150
280 185
230
350 305
Ambient temperature ( ° C )
20 30 40
175
180
Ambient temperature ( ° C )
20 30 40
200
280
Air flow needed?
50
( minimum recommended flow, if needed )
65 No
Yes ( 1 scfm )
75
Yes ( 2 scfm )
85
Yes ( 3 scfm )
105
Yes ( 4 scfm )
130
Yes ( 5 scfm )
165
Air flow needed?
50
(minimum recommended flow, if needed)
85 No
Yes ( 1 scfm )
150
Yes ( 2 scfm )
Yes ( 3 scfm )
Yes ( 4 scfm )
Air flow needed?
50
( minimum recommended flow, if needed )
90 No
Yes ( 1 scfm )
155
Yes ( 2 scfm )
200
Yes ( 3 scfm )
270
Yes ( 4 scfm )
Air pressure at cooling tube
air inlet*
–
0.50 psi ( 0.05 bar )
1 psi ( 0.075 bar )
2.5 psi ( 0.2 bar )
5 psi ( 0.35 bar )
8.5 psi ( 0.6 bar )
Air pressure at cooling tube
air inlet*
–
0.50 psi ( 0.05 bar )
1.25 psi ( 0.1 bar )
2.75 psi ( 0.2 bar )
6.25 psi ( 0.45 bar )
Air pressure at cooling tube
air inlet*
–
0.50 psi ( 0.05 bar )
1.25 psi ( 0.1 bar )
2.75 psi ( 0.2 bar )
6.25 psi ( 0.45 bar )