Água / Nível e Fluxo de Água

O que nós fazemos

A Campbell Scientific desenvolve sistemas de monitoramento autônomo de longa duração do nível e do fluxo da água. Eles são usados em muitos ambientes incluindo poços, barragens, córregos, açudes, sistemas de águas pluviais e estações de tratamento de águas residuais. Eles são confiáveis independentemente do nível de salinidade, de poluição ou de outra condição ambiental difícil. Os sistemas Campbell podem se comunicar via satélite GOES, rádio de frequência licenciada, IP cell modems, espalhamento espectral e outros métodos. Aprender mais

Veja alguns exemplos impressionantes que nosso equipamento pode fazer nesta área

Personalizar um Sistema

A maioria dos sistemas que nós vendemos são personalizados. Nos diga o que você precisa e nós o ajudaremos a configurar um sistema que atenda suas necessidades.

Mais Detalhes sobre os Nossos Nível e Fluxo de Água Sistemas

Measuring Water Level

Our systems use 6-wire resistive gages or vibrating-wire pressure transducers for measuring groundwater level. In deep observation wells, these pressure transducers provide accurate water level measurement. We use piezometers, bubblers, or float and pulley systems to measure water level in shallow water applications. On the high end of groundwater level measurements, our portable pump and slug test systems can simultaneously measure water level in up to 8 wells, yet are easy to setup and customize from site to site.

For surface water level, measurements are often made in a vertical stand-pipe (stilling well) installed adjacent to a lake, river, or stream. The stream level (stage) is the same as the water elevation in the stilling well. A float and pulley is often used, but pressure transducers, ultrasonic, and resistive tape sensors work well also. Self-calibrating double bubblers are accurate sensors for measuring water level, and have the added benefit of keeping the sensor out of the measured liquid—critical in corrosive environments.

Measuring Water Flow

Water flow is usually calculated using a structure built across an open channel, such as a weir or flume. The water level is measured as it flows through the structure. Discharge rates are determined by using a site-unique rating curve and the water level. A float and pulley system, strain gage pressure transducer, or ultrasonic sensor may be used in stilling wells to measure water level fluctuations, then calculate flow.

New sensors that use ultrasonic and doppler technologies to measure water velocities in two or three dimensions are also available. Velocity is measured directly; additional calculations are not required.

Dataloggers for Water Level and Flow Measurements

The versatility of our dataloggers allows systems to be customized for each application. A range of dataloggers, with increasing capabilities, is available. All our dataloggers feature wide operating temperature ranges, low power consumption, and the ability to directly interface with a large variety of sensors. Because our dataloggers operate on batteries (with or without solar panels), they are ideal for long-term, stand-alone operation, such as at remote stilling wells. If additional channels are needed, most of our dataloggers are expandable using multiplexers and other peripherals. Powerful on-board instruction sets allow unattended control decisions based on time or conditional events. For example, if measured levels are outside a predetermined range, the datalogger can sound alarms, open valves or gates, or call out to a phone to report conditions. Data are typically displayed and stored in the desired units of measure (e.g., cfs, psi, feet, inches, meters, centimeters).

Sensors for Water Level and Flow Measurements

Thanks to their ability to measure multiple channel types, our dataloggers can read nearly every commercially available sensor, allowing systems to be customized for each installation. We offer a variety of water level and flow sensors that feature low drift and high reliability. In addition, nearly all available water quality and meteorological sensors can be measured, generally without external signal conditioning. We helped create the original SDI-12 standard, so you can be sure our systems are SDI-12 compatible.

Communications

The availability of multiple telecommunications and on-site options for retrieving data also allows systems to be customized to meet exact needs. Off-the-shelf telecommunications options include satellite (DCP), radio, telephone, cellphone, and voice-synthesized phone. Systems can be programmed to send alarms or report site conditions by calling out to computers, phones, radios, or pagers. Real-time or historical data can be displayed or processed with Campbell Scientific software. Data can also be exported as ASCII files for further processing by spreadsheets, databases, or analysis programs.

Estudos de Caso

Florida: Protecting an Endangered Species’ Habitat
The South Florida Water Management District (SFWMD) has a mission to manage and protect the......Leia mais
South Dakota: Canal-Based Irrigation System
The semiarid region just north of the Black Hills in western South Dakota has vast......Leia mais
Arkansas: Flood Warning
Hot Springs, Arkansas, is a history-rich city located adjacent to Hot Springs National Park. The......Leia mais
Florida: Water Diversion Control
In 1922, Florida began construction on what is now called the Melbourne-Tillman Water Control District......Leia mais
Peru: Glacier Monitoring
The water supplied by melting glaciers in the high Andes mountains is critical to many......Leia mais
New Jersey: Pequest Trout Hatchery
Moving clean, cold water through a trout-rearing facility is essential to its success. A live......Leia mais
Utah: Water-Supply SCADA System
In 2010, Trenton and Amalga, two northern Utah towns separated by only a few miles,......Leia mais
Utah: Brigham City Gets Flood Warning System
In the past, home and business owners along the creek that comes from Mantua Reservoir,......Leia mais

Perguntas Frequentes Relacionadas

Number of FAQs related to Nível e Fluxo de Água: 1

  1. Most Campbell Scientific systems are built from individual components. This provides maximum flexibility for our customers, but it does not lend itself to pricing a "typical" system. Contact Campbell Scientific for assistance in pricing a system to meet the unique needs of the application.