Vaisala LT31 - Technical Data and Specifications; Operational Specifications

Chapter 8 ____________________________________________________________ Technical Data
VAISALA ______________________________________________________________________ 277
CHAPTER 8
TECHNICAL DATA
This chapter provides the technical data of the product.
Operational Specifications
Table 38 LT31 Operational Specifications
Property Description / Value
Baseline
General:
- 30 ... 35 m baseline length
- 35 ... 75 m baseline length
Recommended baseline lengths:
- 30 m baseline length (optimal)
- 50 m baseline length
- 75 m baseline length
Purchased option:
- 25 m baseline length
MOR measurement range
1/3 x baseline length to 10 000 m
1/2 x baseline length to 10 000 m
10 m to 10 000 m
25 m to 10 000 m
37.5 m to 10 000 m
1/3 x baseline length to 10 000 m
Accuracy (RVR range) Exceeds the ICAO (Annex 3) recommendations
Resolution 0.1 m
Sampling rate 1.000/sec
Averaging 1 minute gliding average
Output data
Automatic or polled data messages
- Standard message including MOR, LT31
status and BGL data (option)
- Message including present weather
data (option)
- MITRAS transmissometer compatible
message
- SKOPOGRAPH II Flamingo transmissometer
compatible message
- FD12 Visibility Meter compatible message