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70.210.001.3.0

OTT Parsivel2 Laser Precipitation Sensor

OTT Parsivel2 Laser Precipitation Sensor

Description

The OTT Parsivel2 is an advanced laser-based disdrometer for comprehensive measurement of all precipitation types.

Features

  • Measures the size and speed of individual precipitation particles
  • No moving parts or collection bucket for maintenance-free measurement
  • Standard ports for RS-485, SDI-12, USB, and impulse outputs
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Details

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.


  • 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
Notable Specifications:
General  
Laser diode 780nm wavelength, 0.5 mW output power, class 1 laser
Beam dimension  180 x 30 W x D(mm)
Measuring area

54 cmdetection area

Rain rate

Minimum intensity: 0.001 mm/h 
Maximum intensity: 1,200 mm/h

Accuracy ±5% (liquid)/ ±20% (solid)
Interfaces

RS-485 (EIA-485) 1,200 to 57,600 Baud
half-duplex, 2-wire
SDI-12
USB

Protection IP 67, resistant to salt spray
   
Measurement Ranges  
Particle size liquid precipitation: 0.2 to 5 mm
solid precipitation: 0.2 to 25 mm
Particle speed 0.2 to 20 m/s
Performance 32 precipitation size classes
32 precipitation velocity classes
Visibility in precipitation measurement range (MOR) 100 to 5000m
Temperature range -40°F to 158°F (-40°C to 70°C)
0 to 100% relative humidity
   
Power  
Power supply 10 to 28v DC
optional heating output of the sensor head
Current drawn Electronics: 65 mA at 24v DC
Heating: 2/4 A;12/24v DC2
What's Included:
  • (1) Parsivel2 laser precipitation sensor
  • (1) Installation set:
    • (1) Cable lug for grounding
    • (1) Flat washer
    • (6) Grub screws M 8 x 16mm
    • (7) Grub screws M 8 x 25mm
    • (1) Hex nut M 8
    • (2) Lock washers
    • (1) Allen key, 4mm
  • (1) USB connection cable
  • (1) Parsivel PC software CD, ASDO Basic
  • (1) Set of operating instructions
Image Part # Product Description Price Stock Order
OTT Parsivel2 Laser Precipitation Sensor 70.210.001.3.0 Parsivel2 laser precipitation sensor Usually ships in 1-2 weeks
Image Part # Product Description Price Stock Order
OTT 70.210.409.4.11 Parsivel2 communication cable, 1m Usually ships in 1-2 weeks
OTT 70.210.409.4.13 Parsivel2 communication cable, 13m Usually ships in 1-2 weeks
OTT 70.210.420.3.1 Parsivel2 mounting pedestal for 1m height, 2" dia. x 0.53m Usually ships in 1-2 weeks
OTT 70.210.421.3.1 Parsivel2 mounting pedestal for 2m height, 2" dia. x 1.53m Usually ships in 1-2 weeks
OTT 70.210.422.3.1 Parsivel2 mounting pedestal for 3m height, 2" dia. x 2.53m Usually ships in 1-2 weeks
OTT 99.020.050.9.2 Parsivel2 concrete mounting kit Usually ships in 1-2 weeks
OTT 97.970.065.9.5 Parsivel2 USB cable Usually ships in 1-2 weeks
OTT 55.551.003.B.E Parsivel2 ASDO Software, basic version Usually ships in 1-2 weeks
Additional Product Information:

Questions & Answers

| Ask a Question
Can the sensor head freeze?
An automatic heating system prevents ice buildup on the sensor heads. A temperature sensor in the sensor head takes readings every second and the heating system adjusts according to the value. The sensor head is held at a constant temperature of at least 10 degrees C. Optimum heating output can be guaranteed with a supply voltage of 20 V DC.
What type of precipitation can my Parsivel2 measure?
The Parsivel2 can measure 8 types of precipitation: drizzle, drizzle/rain, rain, mixed rain/snow, snow, snow grains, sleet and hail.

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