Vaisala MITRAS Transmissometer

Conformance to all ICAO and WMO requirements for RVR and Meteorological Optical Range (MOR)
Fully automatic operation with excellent accuracy and stability
Unique contamination detection and compensation
Double baseline for CAT IIIB by means of two different beams from one transmitter
Extensive built-in monitoring to verify performance and to generate warnings before failures actually occur
Verified operation in all weather conditions

Visibility (MOR) measurement
	Measurement range Single baseline 50 m baseline length 75 m baseline length Double baseline 15 m and 75 m baseline lengths Baseline allocations	0...100 % transmittance 40…2000 m 50…3000 m 10…3000 m 10 ... 200 m altered by neutral density filters
Message formats
	Standard message
Operating environment
	Temperature Humidity Wind	-40...+55 °C 0...100 %RH 60 m/s
Inputs and outputs
	Output Operating voltage Power consumption	modem, optional RS232/RS485 115/130/230/240 VAC 500 W
Mechanics
	Dimensions: Optical head with hood Electron. box without rad. shield Weight Housing	390(h) x 225(w) x 980(l) mm 310(h) x 400(w) x 190(l) mm 35 kg Aluminum, weatherproof