Portable, Automated Weather Station

with Low Power Consumption and Visibility Sensor

Optical Scientific - OWI-650

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Description

The LP-AWS is an advanced, portable, Low Power Automated Weather Station built around the OWI-650 Low Power Weather Identifier and Visibility Sensor (LP-WIVIS)

The low power requirements of the OWI- 650 make it well suited for portable battery and solar powered applications. The system has been designed from the ground up for fast setup anywhere.

The OWI-650 measures visibility and detects rain, snow, drizzle, freezing and mixed precipitation conditions The OWI-650 is more than just a sensor. It is a system. No separate data acquisition system is required to add optional meteorological sensors. Implementing a portable automated weather station with weather identification and visibility sensor capability has never been easier or as cost effective.

The fully automated OWI-650 provides accurate visibility, present weather and precipitation measurements. Typical systems include other optional meteorological sensors including wind, pressure, and temperature/ humidity sensors.

OSi's patented environmentally adaptive weather identification algorithms use artificial-intelligence technology derived from over 25 years experience and over 200 million field hours of real-world data from OSi sensors installed around the world. The result is the most advanced / easily deployable Automated Weather Station with optical weather identifier and visibility sensor available.

Features

Easy installation
Portable system which reports present weather and visibility
Intelligent algorithms based on over 200 million hours of OSi sensor field data
Solar, Battery or AC Powered
Small size, light weight, rugged design
Other sensors easily added
Data radio options available
Separate data acquisition system not required
Design for unattended operation
Virtually no maintenance required
Built-in self diagnostics & testing

Accessories

Optional Sensors Contact OSi
PSB-650 AC-powered junction box
PSB-650S Power Junction Box with Solar Kit
PSB-650B Power Junction Box with Rechargeable Battery
TRI-650 AWS Tripod
Data Radio Contact OSi
QCS-650 QwikCollect™ software

Specifications
Performance
Measurement	Technique Scintillation with optical forward scatter and optional acoustic*
Data Reporting Update Rate	1 minute
Present Weather Codes Reported	More than 50 NWS and WMO codes
Present Weather Type Identification	Rain, freezing rain, snow, freezing drizzle, mist, mixed, fog, haze, clear
Snow / Rain Accumulation	.001 to 999.999 mm
Snow / Rain Measurement Resolution	0.001 mm
Rain Dynamic Range	0.1 to 3000 mm/hr
Rain Measurement Accuracy	5% accumulation
Snow Dynamic Range	0.01 to 300 mm/hr
Snow Measurement Accuracy	10% accumulation
Visibility / RVR Dynamic Range (metric and ANSI units & extended ranges available)	0.01 to 10+ km 0.001 to 7.1 miles
Visibility Contrast Threshold	5%
Ambient Light Dynamic Measurement Range	0 to 9,990 candles / m2
Electronical
Power Requirements
Electronics	3.6 vdc @ 375 mA
Heaters	12 vdc @ 600 mA
Transient Protection	All power & signal lines fully protected
Signal Output	RS-232 ASCII, simple polled protocol
Environmental
Temperature	-40° to 122° F (-40° to 50° C)
Humidity	0 to 100%
Precipitation / Dust	NEMA 4 type protection
Physical
DSP-WIVIS Sensor Size	21 x 8 x 4 inches (53 x 20 x 10 cm)
DSP-WIVIS Sensor Weight	4.25 lbs. (1.9 kg)
Cable Length	12 ft. (3.7 meter)