Products/Services for Underground Sound Detector
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Underground Locating Equipment - (45 companies)Underground locating equipment locates buried utility lines and infrastructure. This includes marker systems, fault detectors, ground penetrating radar, metal detectors, RF equipment, acoustic detectors, and beacon (sonde) devices. Underground... -
Condition Monitors and Fault Detectors - (97 companies)...in a mechanical system is a failed roller bearing. Both mechanical and electrical faults produce characteristic sounds, which can be detected using air or structure borne acoustic detection techniques. Fault detectors and fault recorders are electric... -
Manholes and Manhole Covers - (174 companies)Manholes allow access to underground pipes, cables, meters and facilities. Manhole covers are used cover manholes. Manholes allow access to underground piping, meters, and facilities. Manholes perform a variety of functions. They allow access... -
Level Sensors - (1156 companies)...of the transducer is important to ensure a clear response to reflected sound and the tank should be free of objects that will distort the echo response. They can be used for continuous and point-level sensing as well as communicating with other devices... -
Sound Level Meters and Noise Dosimeters - (224 companies)Sound level meters and noise dosimeters are used in sound and noise analysis. Applications include industrial safety, traffic noise studies, and scientific noise measurement. Sound level meters and noise dosimeters are used in many kinds of sound... -
Sound Cards - (47 companies)Sound cards are computer expansion cards that enable audio inputs and outputs. They connect to the computer via the internal bus or an external connection. Sound cards provide an audio input, an audio output, or both. Some devices provide multiple...
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Smoke Detectors - (260 companies)Smoke detectors are designed to sense the products of combustion. Common types include ionization chambers and photoelectric devices. Smoke detectors are designed to sense the products of combustion. They are designed for commercial, industrial...
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Radiation Detectors - (204 companies)...and gamma radiation, and can be configured to produce correspondingly different sounds through a meter. Beta detectors often use a liquid scintillation medium and can achieve reasonably high efficiencies even at lower-energy emission levels...
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Heat Detectors - (104 companies)Heat detectors are fire detection devices that sense heat produced by combustion. Heat detectors can trigger an alarm when they detect rapid temperature rise or reach a preset temperature. Heat detectors are fire detection devices that sense heat...
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GC Detectors - (38 companies)Gas chromatography detectors (GC detectors) identify solutes as they exit the chromatographic column. A chromatogram is generated plotting the signal versus time. Gas chromatography detectors (GC detectors) identify solutes as they exit...
Product News
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United Electric Controls Company
Methane Detector in Remote Underground LNG Storage These wells are a source of methane gas leakages. Reducing methane emissions is a challenge for the oil & gas industry, as is compliance with emerging regulation. Moreover, increasing gas monitoring density in brownfield sites can be very costly due to signal and power conduit wire installation. Solution: A self-powered wireless methane detector enables more pervasive identification of leaks even in remote locations, at a fraction of the overall cost compared to wired detectors... (read more)Browse Gas Instruments Datasheets for United Electric Controls Company -
MSA Safety
Gas Detection at the Speed of Sound Instantly detect pressurized gas leaks with this high-precision, omni-direction acoustic detector utilizing Gassonic (R) ultrasonic technology. Works even when traditional methods of gas detection are unsuitable or dependent on ventilation. The Observer (R)i Ultrasonic Gas Leak Detector (UGLD) provides an industry-leading detection range (up to 28 m) reducing the number of detectors required. Ideal for use in complex, outdoor pipeline systems - unaffected by wind, gas dilution, and direction... (read more)Browse Gas Sensors Datasheets for MSA Safety -
EXAIR
EXAIR's Ultrasonic Leak Detector EXAIR 's Ultrasonic Leak Detector (ULD), a hand-held instrument engineered to help locate the source of costly leaks in a compressed air system, has received an upgrade in look and function. The EXAIR ULD can play a major role to identify and pinpoint costly leaks that often go undetected, allowing quick repair and cost savings. Testing the various unions, pipes, valves and fittings of a complete installation can be done quickly and effectively at distances up to 20' (6.1m) away. High pressure... (read more) -
United Electric Controls Company
Vanguard™ fixed point gas detector The Vanguard TCD60 adds to the versatility of the Vanguard TCD50 by providing three options for antenna gain and a remote mount option for the antenna. This aids with better placement of the antenna to improve signal transmission while keeping the gas sensor where it is needed. One customer mounted the Vanguard TCD60 inside an underground vault and brought the antenna to the surface to connect with the existing WirelessHART network. There are three antenna gains to choose from to help optimize... (read more)Browse Gas Instruments Datasheets for United Electric Controls Company -
MSA Safety
Observer-i Ultrasonic Gas Leak Detector Designed with Artificial Neural Network (ANN) intelligence and real-time broadband acoustic sound processing technology, the state-of-the-art Observer-i Ultrasonic Gas Leak Detector sets a new global industry standard in highly reliable ultrasonic gas leak detection with unprecedented suppression of false alarms. With the incorporation of ANN technology, the breakthrough Observer-i Detector makes it possible to fully analyze the sound spectrum above 12 kHz. The ANN algorithm has been "trained... (read more)Browse Gas Instruments Datasheets for MSA Safety -
Hottinger Bruel and Kjaer UK Ltd.
Troubleshooting Analyser Sound and Vibration Tests Diagnosing and solving sound and vibration (S &V) challenges is now easier than ever for engineers and heads of R &D, thanks to a new plug-and-play S &V solution from HBK. The company has brought together three of its best-selling sensing and insight solutions into one easily scalable solution: the Troubleshooting Analyser. The Troubleshooting Analyser is designed to provide teams with an easily implemented, low-risk entry into the world of S &V - available at a significant introductory... (read more)Browse Data Acquisition Datasheets for Hottinger Bruel and Kjaer UK Ltd. -
Triad Magnetics
Enhance Sound Quality with Audio Transformers PC Mount - Plug-In Printed Circuit Audio Transformers. Triad produces a wide assortment of audio transformers for use in printed circuit designs. These transformers fill a broad application spectrum in the audio industry. Triad audio printed circuit transformers are used in line matching, telephone coupling, pulse trigger, interstage, output, isolation and input applications. Audio Transformers. Follow Us: YouTube. LinkedIn. Facebook. Our Blog. Watch > >Triad Magnetics Company Overview. Triad... (read more)Browse Transformers Datasheets for Triad Magnetics -
Dexter Research Center, Inc.
High Temperature Infrared Detector Dexter Research Center announces the availability of its new ST60 High Temperature Detectors. The specially constructed MEMS based thermopiles can withstand operating temperatures of 300 C with silicon windows and 225 with coated windows. The silicon-based detectors are available in TO-5 packages with an active are of 0.61mm x 0.61mm. The new High Temperature detector offers exciting performance opportunities in non-contact temperature measurement applications such as work piece monitoring... (read more)Browse Noncontact Infrared Temperature Sensors Datasheets for Dexter Research Center, Inc. -
InfraTec GmbH
PYRONEER Detectors with Lithium Tantalate The Rugged Ones - PYRONEER Detectors with Lithium Tantalate. LSV-Detectors combine reliability and long-term stability. Detectors for use in analytical devices and in spectroscopy have been part of InfraTec's portfolio for over 20 years. From the very beginning, these are based on high-quality, single-crystal lithium tantalate (LiTaO3). Introducing DLaTGS as a pyroelectric material last year, InfraTec developed the new PYRONEER series, which also includes spectrometer detectors based on LiTaO3... (read more)Browse Gas Sensors Datasheets for InfraTec GmbH -
Dexter Research Center, Inc.
Thermopile Detector for Gas Analysis Dexter Research - Gas Analysis Thermopile Detector. Applications: Excellent for gas analysis, position sensor, and horizon sensor. A four-channel silicon-based thermopile in a TO-5 package. Each small active area is 1.2mm x 1.2mm . Time constant of 25ms with Nitrogen encapsulation gas. Delivers a very low Temperature Coefficient of Responsivity of -0.04%/ C. This detector has a very short thermal shock response to ambient temperature change. View additional information... Leader in Infrared... (read more)
Conduct Research
...methods such as dye testing, the bucket test method and a specialized leak detector in the 300-5000 Hz range, that is designed to amplify sound waves in this range to try to find the leak. After several days without finding the source of the leak, the company left and stopped responding...
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The feasibility analysis of monitoring falling stones by means of a fiber optic interferometer
Itakura et al [2] installed the underground sound detector on Japan's Sakurajima volcano to detect debris flows and discovered that the frequency of debris underground sound is between 10 and 300 Hz, sometimes up to 1000 Hz, mostly between 30 and 150 …
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Rescue Robotics
Underground sound detectors collect acoustic information from outside rubble piles and soil.
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Telescopes and detectors for infrared-astronomy
Can limit the best present detectors through photon noise in photometric measurements the so induced background radiation.
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I. General analytical methods, apparatuses and Reagentien
Ffir Flfissig- chromatography is a detector with 1 ppm sensitivity necessary.]:) AS criterion fiir is a good detector the ground by less than 10-7 refractive index had to lie (R.I.)-EinheR dab.
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A survey of existing and emerging technologies for external detection of liquid leaks at the Hanford Site
Detector Relies on Sound to Locate Underground Pipe Leaks." .
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Röntgenografische voltage measurements on that Titanaluminid‐Werkstoff Ti48Al2Cr
The lower druckung the succeeds through the fluorescence radiation of conditional noise ground relatively well with a germanium semiconductor detector [4].
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Energiereichsten cosmic particles. Results of the Pierre‐Auger‐Observatoriums
Further targets are a still better measurement of the shower particles with underground muon detectors and a massively applied study of the radio emission of air showers.
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CR4 - Thread: Detection of Pinpoint Leak Underground Storage Tank Testing using Vacuum System
Rather than using just one, a series of surface-located sound detectors placed around and also directly over the underground tank will be able to compare the strength of the signal and locate the leak fairly closely.
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Radiation measurement and dosimetry
Is the must the detector display to expect in the same order of magnitude like this ground the dosimeter substance is exchanged better for a more sensitive material.
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Advances in Civil Infrastructure Engineering
… either personnel positioning system, by location relation determined for refuge chamber prior to accidents, by information offered from rescued or escaped survivals, or by exploring location of underground water, cavity and personnel … … such technologies as earth- sound detector , location detector, earth audio …
