Vaisala LT31 - Equipment Nomenclature

Chapter 2 __________________________________________________________ Product Overview
VAISALA _______________________________________________________________________ 35
Equipment Nomenclature
Table 3 LT31 Transmissometer Nomenclature
Code Common Name Description
LTT111 Transmitter Unit
LTM112 Measurement unit
transmitter
Enclosure with windows, heating, optics
unit and air duct
LTO112 Optics unit
transmitter
Incorporates optics tube, alignment
mechanism and all electronic modules
LTC112 Measurement CPU
LTL112 Main transmitter module
LTL212 Window transmitter module
LTS111 Support unit
transmitter
Incorporates hoods, blower and
measurement head terminal box
LTB111-115 Blower unit 115 VAC version
LTB111-230 Blower unit 230 VAC version
LTI111 Interface unit
transmitter
Incorporates the power supply
FSP102 Power supply
LTAM250 LT31 mast
PWD22 Forward Scatter Sensor
LTR111 Receiver Unit
LTM212 Measurement unit
receiver
Enclosure with windows, heating, optics
unit and air duct
LTO212 Optics unit
transmitter
Incorporates optics tube, alignment
mechanism and all electronic modules
LTC112 Measurement CPU
LTD112 Main receiver module
LTL212 Window transmitter module
LTS211 Support unit
receiver
Incorporates hoods, blower and
measurement head terminal box
LTB111-115 Blower unit 115 VAC version
LTB111-230 Blower unit 230 VAC version
LTI211 Interface unit
receiver
Incorporates the power supply and the
Master CPU
FSP102 Power supply
LTC212 Master CPU
LTAM250 LT31 mast