VAISALA LT31 Transmissometer (100/115/230 VAC + 10 %, 50 ... 60 Hz)

- 30 m (98 ft) baseline length (optimal): MOR: 10 … 10 000 m (33 … 32 808 ft)

Transmittance range: < 0.01 % … 100 %

- 50 m (164 ft) baseline length 

MOR: 25 … 10 000 m (82 … 32 808 ft)

Transmittance range: < 0.02 % … 100 %

- 75 m (246 ft) baseline length 

MOR: 37.5 … 10 000 m (123 … 32 808 ft)

Transmittance range: < 0.02 % … 100 %

- Transmitter Optical Specifications:

Light source: White light-emitting diode (LED) - Certified class 1 product according to EN 60 825-1

Optical monitoring: Light source stability control; Window contamination measurement and compensation circuitry

- AC supply: 100/115/230 VAC + 10 %, 50 ... 60 Hz

Power consumption: Max. 800 VA (for complete LT31 system) with all options

- Dimensions (H × W × D): 2685 × 420 × 1022 mm (105.71 × 16.54 × 40.24 in)

- Weight:

Transmitter Unit LTT111: 85 kg (187.39 lb)

Receiver Unit LTR111: 82 kg (180.78 lb)

- IP rating: IP66

Datasheet