Vaisala LM21 - TECHNICAL DATA; LM21 Mechanical Specifications

Chapter 8 _______________________________________________Technical Data
VAISALA__________________________________________________________57
CHAPTER 8
TECHNICAL DATA
This chapter provides technical data of LM21 Background
Luminance Sensor.
Specifications
Mechanical Specifications
Table 11 Mechanical Specifications
Property Description / Value
Height 154 mm
Height with hood 142 mm
Width 100 mm
Weight 1.1 kg
Cable length 2.3 m
Cable length of
LM21FD and
LM21MITRAS
4 m
Color White
Housing Aluminum, weatherproof
Mounting With a mounting clamp onto the
Option Support Arm of FS11 or with
Sensor Fastener Assembly on top of
MITRAS Light Transmitter or FD12P