water level

HSI Radar Sensor

HSI Radar Sensor Non-contact level sensor Features Specifications Downloads Shop & Inquire Two non-contact water level radar sensors for outdoor use using impulse 24 GHz or 80 GHz plus and continuous wave radar technology. Conventional pulse radar emits periodic high-frequency pulse and continuous wave radar emits a continuous wave signal. The continuous wave radar can […]

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Steelhead Logger

All-in-one Integrated Data Acquisition Platform Features Specifications Downloads Inquire Next Generation Steelhead is leading the shift to a true Internet of Things (IoT) data acquisition experience that incorporates low-power, all-in-one, and patented technology. Steelhead is a traditional data logger and provides two-way communications. Simple to set up, collect, manage, and analyze measurement by using the

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Staff Gages Overview

Stevens’ environmentally rugged staff gages provide a quick and easy visual indicator of water level and flow. Every water level monitoring station should include a staff gage from which the height of the water may be visually and easily compared to any data logger’s reported measurement. Enamelled iron gages are preferred over other type gages

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Water Level Sensors Overview

Stevens is the original water level measurement instrumentation company with the introduction of the widely known chart recorders introduced in 1911. Today, Stevens offers a wide selection of water level measurement sensors including robust ceramic pressure sensors, shaft encoders, acoustical sensors, and visual reference staff gages. Stevens still offers the low-powered, mechanical chart recorders for

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Figure Plates

Figure Plates Features Downloads Shop & Inquire Made with the same durable porcelain enamel finish as our staff gages, our numbered plates are available for custom level marking. Stevens figure plates are available in three sizes: 2” x 3” 3” x 4” 4″ x 6″ Figure plates can be used with any staff gage style.

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PAT (Position Analog Transmitter)

PAT (Position Analog Transmitter) Shaft Encoder Features Specifications Downloads Shop & Inquire The Position Analog Transmitter (PAT) is a stand-alone water level shaft encoder. The PAT is ideal for industrial and hydropower applications with a 4-20 mA output. A precision potentiometer is the measuring element, and a number of ranges are available, depending on gear

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APG IRU-2420

APG IRU-2420 Non-contact level sensor Features Specifications Downloads Shop & Inquire The IRU-2420 provides a non-contact method of detecting level, presence/absence detection, volume, proximity and distance. With built in technology to compensate for unpredictable variables such as humidity, temperature and agitators, the IRU is the right sensor for your application. Hazardous Location CertifiedIRU-2420 ultrasonic sensors

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Van Essen Diver Family

Van Essen Diver Family Pressure transducers with integrated data logger Features Downloads Shop & Inquire Baro-Diver Micro-Diver CTD-Diver Cera-Diver TD-Diver Previous Next Cost-effective and reliable, these compact groundwater dataloggers provide accurate and reliable long-term measurements of water levels, temperature, and conductivity— essential data needed for effective water resource management, environmental remediation, mine dewatering, and slope

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SDX

SDX Analog pressure transducer Features Specifications Downloads Shop & Inquire The Stevens SDX (Submersible Depth Transmitter) is a pressure sensor that delivers accurate results while still remaining very affordable for a wide range of level measurement applications. High impact, corrosion-resistant PVC Type II housing and potted electronics make the SDX extremely durable for most water

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Smart PT

Smart SDI-12 / RS-485 Pressure, Temperature, and Digital Crest Gauge Sensor Features Specifications Downloads Shop & Inquire Stevens’ Smart PT is a ceramic membrane pressure and temperature sensor that delivers accurate results for a wide range of fluid level measurement applications. In addition to simple instantaneous measurements, this smart sensor features the ability to capture

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A Brief History of Stevens’ 116 Year Chart Recorder Legacy

The legendary mechanical chart recorder for environmental monitoring dates back to 1911, when John C. Stevens invented the Type A chart recorder. In 1906, J.C. Stevens was the Hydrographer for the USGS out of Portland, Oregon, and was soon promoted to District Engineer. While with the USGS, he realized that hiring local citizens to observe

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Stevens Equipment Records Historical Information During Tsunami

On the eve of the discontinuation of Stevens chart recorders, we are republishing the following article about the highest profile contribution that our products have made in their 116 year history. This article was originally published in the Stevens Water Monitor newsletter in 2007. One of the longest lived products in water resource monitoring has

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Stevens Introduces New SMART SDI-12/RS-485 Sensors Featuring Integrated Programming to Simplify the Analysis of Data

Stevens introduces two new digital sensors with a smart mix of unique features and an attractive price point. The first in a line-up of rugged digital sensors, they offer built-in processing of measured data, eliminating the need to perform complex calculations to process the data for many applications. Stevens’ Smart PT is a ceramic membrane

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