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Stevens Water Monitoring Systems, Inc. is a manufacturer and marketer of integrated hydrological, meteorological and oceanographic monitoring instrumentation, accessories and information systems that help optimize water resource management and enhance forecasting. Stevens first understands the customers' objectives and then provides an applicable system that consists of electronic sensors, data logging and process control instruments, communication equipment and necessary software for data presentation to help the customer understand environmental conditions and efficiently execute decisions.
Products & Services Summary
Stevens sells hydrological, meteorological and coastal oceanographic sensors, data collection platforms and telemetry communication systems for governments and industries that monitor and manage the environmental conditions, with emphasis on water resources. Services include first and foremost a customer service support staff to assure our customers' success. Other Stevens's services include engineering support on systems design, installation and commissioning; on-going monitoring station maintenance; and data collection and management
Targeted Environmental Market Segments
Stevens is the 'HMO' to measuring and monitoring the health of our environmental conditions. Stevens focus targets on the following market segments that provide information to help better understand and manage our water resources:
Background and Sensors
Stevens Water Monitoring Systems, Inc. (fka Leupold & Stevens), its wholly owned subsidiary Vitel, Inc. and with the Tyco / Greenspan Technologies LTD alliance provides easy to use and reliable Water Level Sensors, Water Quality Sensors, Water Quality Analyzers, Soil Moisture Sensors, Soil Temperature Sensors, Soil Conductivity and Salinity Sensors, Water Flow Measurement, Chart Recorders, Water Monitoring Accessories, Staff Gages (gauge) and Weather Monitoring Sensors.
Data Loggers and Process Control
Stevens has a selection of data loggers or Data Collection Platforms (data acquisition platforms) for environmental monitoring sensors, event notification and process control.
Remote Environmental Telemetry / Communications
Stevens has Telemetry options for communication of environmental monitoring data via Radio modem, Phone Modem, Bluetooth Radio Transmitter, GOES Satellite (geostationary), GOES High Data Rate Transmitter, GOES Direct Readout Ground Station, Orbcomm satellite (low earth orbiting (LEO).
Applications
Some of Stevens product applications include ground water, water resources management of stage, flow and quality, water analyzers, waste water flow, hydrological, hydropower, agriculture, and irrigation, precision agriculture soil monitoring, golf course and sports turf soil sensing and measurement, hydrometeorological, agrimet, coastal oceanographic (GLOSS standards), and tide gage.
Stevens Water Monitoring Systems was founded in 1911 as a division of Leupold & Stevens, Inc. in Portland, Oregon USA. The founder of Stevens, Mr. John C. Stevens, was a well-established civic leader in Portland, Oregon's history. In addition to building Stevens into a world class water monitoring company, J.C. Stevens also contributed significantly to Portland's development and his most note-worthy achievement is his role as the founder of the Oregon Museum of Science and Industry (OMSI).
Leupold & Stevens, Inc. is a family owned Oregon Corporation that manufactures sporting optics scopes and has approximately 500 employees in Beaverton, Oregon.
During Stevens' early years, various products were developed including the original chart recorders. With installations in over 40,000 remote water monitoring sites worldwide, the Stevens chart recorders are the foundation of and have influenced the stream gaging standards used today. In fact, many of the mechanical instruments are still in gaging stations around the globe with the Stevens name prominently displayed on the product. Although, Stevens’ provides microprocessor based sensors, data loggers and telemetry instruments, Stevens continues to support the mechanical chart recorders, which was the first true real-time continuous water level measurement instrument. Stevens' reputation, based on reliable quality equipment and quality, helped position the Company as the market leader in water resource instrumentation for most of the 20th century.
In the mid 1980's, the water monitoring industry was in transformation from mechanical to electronic systems. Running on the continuing success of Stevens mechanical business model, Stevens began developing electronic sensors and data loggers. In the early 1990's, Stevens introduced new electronic instruments and set into action a plan to regain their position as the market leader. However, Leupold & Stevens, Inc. Board of Directors concluded that in the best interest of Stevens’ customers, the Stevens' division should be divested to be operated by leaders having 100% focus. Accordingly, Stevens was acquired in April 1998 and is currently being managed by the new owners with an ignited fervor and passion that customers have come to expect. Stevens today is utilizing the latest in technology to help our customers succeed.
Under new leadership, Stevens has undergone an impressive corporate renewal and is focused on a new level of innovation, customer service and customer support.

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Hydra Probe II - Soil Sensor (Digital SDI-12 / RS485)Stevens Hydra Probe II is an in-situ soil sensing system that measures 21 different soil parameters simultaneously, with digital output. The Hydra Probe instantly calculates soil moisture, conductivity, salinity, and temperature as well as supplying voltage outputs for research applications. |
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Stevens Hydra Probe - Soil Moisture And Salinity Sensor (Analog)Stevens patented Hydra Probe design is unique compared to other soil moisture probes because the electrical response of soils can be specified by two parameters, the dielectric constant and the conductivity. The dielectric constant is most indicative of water content while the conductivity is strongly dependent on soil salinity. Unlike other capacitance type sensors, the Hydra Probe measures both of these components simultaneously. The high frequency ... |

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Stevens-Connect Online Data Management ServiceStevens-Connect is a web-based data acquisition and management software system that enables the collection, analysis, reporting, and storage of data from remote monitoring locations. Stevens-Connect wireless communication from the monitoring locations to the Internet is made via cell modem, radio, or satellite modem. As a web-based service, Stevens-Connect streamlines the data management process and can be accessed from any computer or smart phone ... |

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Hydrological And Hydraulic ModelingEffective management of watersheds must address the growing pressures caused by development on the natural function of rivers and floodplains. Planning for development and accommodating beneficial uses of water resources, while maintaining and enhancing the natural functions of these water resources, requires managers to consider many factors. These include water-related disasters such as floods and droughts, ensuring a sustainable water supply, ... |
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GOESLink Data Management ServiceGOESLink.com is Stevens’ on-line data management service, enabling you to receive, analyze and archive all your data transmissions via the Geostationary Operational Environmental Satellite Data Collection System (GOES DCS). GOESLink.com provides you with GOES DCS data for analysis and downloading from any computer with an Internet connection, and functions as a web-based Local Readout Ground Station (LRGS). In addition to viewing data in a ... |





