Vaisala LM21 - Product Nomenclature; Table 5 LM21 Nomenclature

User's Guide ________________________________________________________
16 _____________________________________________________ M210283en-A
Product Nomenclature
Table 5 LM21 Nomenclature
Code Common Name Description
LM21 Background
Luminance Sensor
For background luminance
measurement in FS11
systems
LMM101 Cover Frame
Assembly
Optics, LMB201, and
heating elements
LM211244 Cover
Subassembly and
Cabling
Front cover with face
heater and hood heater
LM211246 Optics Holding
Assembly
Optics and dew heater
assembly
LMB201 Luminance
Measurement
Board
Detector board
LM21FD Background
Luminance Sensor
For background luminance
measurement in FD12P
systems
LM21MITRAS Background
Luminance Sensor
For background luminance
measurement in MITRAS
systems
LMA21 LM21 Field
Calibrator
Device for LM21 field
calibration