OTT Parsivel2 Laser Precipitation Sensor Banner
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 Drop ships from manufacturer
Image Part # Product Description Price Stock Order
OTT 70.210.409.4.11 Parsivel2 communication cable, 1m Drop ships from manufacturer
OTT 70.210.409.4.13 Parsivel2 communication cable, 13m Drop ships from manufacturer
OTT 70.210.420.3.1 Parsivel2 mounting pedestal for 1m height, 2" dia. x 0.53m Drop ships from manufacturer
OTT 70.210.421.3.1 Parsivel2 mounting pedestal for 2m height, 2" dia. x 1.53m Drop ships from manufacturer
OTT 70.210.422.3.1 Parsivel2 mounting pedestal for 3m height, 2" dia. x 2.53m Drop ships from manufacturer
OTT 99.020.050.9.2 Parsivel2 concrete mounting kit Drop ships from manufacturer
OTT 97.970.065.9.5 Parsivel2 USB cable Drop ships from manufacturer
OTT 56.551.001.9.7 Parsivel2 ASDO Software, full version Drop ships from manufacturer
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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