ABB LLT100 - Hazardous Area Considerations

60 User Guide | OI-LLT100-EN Rev. D
LLT100
Laser level transmitter
Laser
Measuring laser 905 nm near infrared pulsed semiconductor laser
7.1 µW average power output
45 W peak power output
Measuring laser life expectancy 25 years typical MTBF
Measuring laser safety Always on IEC60825-1 Ed. 2, 2007
Class 1 laser safe for all conditions of use.
Optical
Total optical aperture 50 mm (2 in.)
Standard window material Tempered borosilicate cemented glass
Pressure rated window material Borosilicate fused glass
Lens impact resistance Impact tested at 4 joules
Beam divergence Δ < 0.3°
Beam spot width Distance 1 m
(3 ft)
3 m
(10 ft)
5 m
(16 ft)
10 m
(33 ft)
20 m
(66 ft)
30 m
(98 ft)
50 m
(164 ft)
100 m
(328 ft)
150 m
(492 ft)
Approx.
spot
width
0.7 cm
(0.3 in.)
2.0 cm
(0.8 in.)
3.3 cm
(1.3 in.)
6.6 cm
(2.6 in.)
13.5 cm
(5.3 in.)
20 cm
(7.9 in.)
34 cm
(13.4 in.)
69 cm
(27.2 in.)
108 cm
(42.5 in.)
Beam direction 90° ± 5° from mounting flange for measurements of liquids
Environmental conditions
Operating temperature –40°C to +60°C (–40°F to +140°F), up to 280°C (535°F) with cooling tube
Storage temperature –40°C to +85°C (–40°F to +185°F)
Survival temperature –40°C to +80°C (–40°F to +175°F)
Process pressure Base model:
Hygienic model:
Pressure-rated model:
–1 to +2 bar (29 psi – universal flange)
–1 to +1 bar (15 psi)
–1 to +49.6 bar (719 psi), depending on flange
Altitude Up to 2000m
Relative humidity 0–100%
Electrical equipment Class III
Pollution degree 4 (IP66/IP67/Type 4X)
Overvoltage Category1
Hazardous area considerations
Gas and dust rating This equipment can be used in flammable gases or vapor hazardous locations. See Appendix A “Hazardous Area
Consideration & Labels”, on page47 for complete details.