Vaisala Transmissometer LT31

  • Single baseline for the measurement range 10...10 000 m MOR
  • State-of-the-art white light source
  • Automatic alignment with quality control as a standard feature
  • Automatic calibration as a standard
  • Window contamination compensation
  • Sophisticated self-diagnostics
  • Internal back-up battery
  • Meets the ICAO ad WMO requirements for RVR and visibility
  • Based on decades of field experience
  • Compatible with Vaisala Transmissometer MITRAS and SKOPOGRAPH II Flamingo

 

Visibility (MOR) measurement

Measurement range:
30 m baseline length (optimal)
50 m baseline length
75 m baseline length
Accuracy


10 ... 10 000 m

25 ... 10 000 m
37.5 ... 10 000 m
specifications for RVR and Visibility

Present weather (optional)

Identifies

7 different types of precipitation (rain, freezing rain, drizzle, freezing drizzle, mixed rain/snow, snow, ice pellets)

Message formats

LT31
MITRAS
SKOPOGRAPH II Flamingo

Standard incl. full status report
standard message (for replacement)
standard message (for replacement)

Operating environment

Temperature
Humidity
Wind

-40...+60 °C
0...100 %RH
60 m/s

Inputs and outputs

Operating voltage
Power consumption
Outputs

100/115/230 VAC
max. 800 W with all options
RS-232/RS-485/modem (optional)

Mechanics

Single baseline for full measurement range:
     Baseline length
     Measurement height
Weight:
     Transmitter unit LTT111
     Receiver unit LTR111



30 ... 75 m (30 recommended)
2.5 m

85 kg
82 kg

For complete specifications, please see the brochure or user guide in "Product Documentation".

联系我们

维萨拉(北京)气象测量技术有限公司

地址: 北京朝阳区东三环北路霄云路21号大通大厦南楼二层

邮编: 100027

电话:0086-10-64663252      85261199  
传真:   0086-10-85261155

email: chinasales@vaisala.com

 

上海办公室

地址:上海市浦东新区蔡伦路780号619室

邮编:201203

电话:0086-21-51320656

传真:0086-21-51320657

email: chinasales@vaisala.com

 

维萨拉(北京)气象测量技术有限公司深圳分公司

地址:深圳市福田区深南大道中国凤凰大厦1栋17B

邮编:518026

电话:0086 -755 -8279 2442

传真:0086-755 -8279 2404

email: chinasales@vaisala.com

 

其它国家

 


LT31 大气透射仪
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This page was printed from www.vaisala.com on 八月 28, 2008
URL: http://www.vaisala.com/cn/instruments/products/visibility/lt31