OTT Parsivel²

Laser Precipitation Measurement

The OTT Parsivel² is an advanced laser-based disdrometer for comprehensive measurement of all precipitation types.  Accurate yet economical, the Parsivel² captures both the size and speed of individual preciptation particles and a signal processor classifies the type of precipitation as well as the amount and intensity.

 

Improvements of the Parsivel²:

• Infrared laser (785 nm)

• Accuracy within ± 5% of precipitation rate

• Uncertainty of class sizes within ± 1

• Raw data without individual correlation

• IP65 plug connector for easy installation

• Integrated ambient temperature sensor

• Controllable 100 Watt heater

Features and Benefits

• Accurate - measures the size and speed of individual precipitation particles, then computes all necessary meteorological parameters

• Maintenance-free - no moving parts or collection bucket that would traditionally require regular maintenance

• Durable - continuous, precise precipitation data in all environmental conditions and integrated overvoltage protection

• Energy efficient - low power consumption and flexible separate controlled head heating

• Flexible communication - standard ports for RS-485, SDI-12, USB, and impulse for connecting to a datalogger, automatic weather station (AWS), or laptop

• Innovative design - robust aluminum housing and symmetrically arranged measuring heads prevent moisture from affecting laser band direction