Preamplifiers

Universal Preamplifier meets IEC 61094-4 standards.
Preamplifiers

Universal Preamplifier meets IEC 61094-4 standards.

Capable of analyzing lower amplitudes down to 15.5 dBA with ½ in. test and measurement grade cartridge, Model 426A14 Universal Preamplifier are equipped with ¼ in. cartridge and key quality metric for improved sound intelligibility and loud speaker design respectively. Offering 1% total harmonic distortion at 156 dB SPL, unit's ¼ in. cartridge features frequency range from 4 Hz to 100 kHz.

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Microphone and Preamplifier System measures to 6.5 dBA.
Preamplifiers

Microphone and Preamplifier System measures to 6.5 dBA.

Housed in prepolarized package, Â-½ in. Model 378A04 enables test engineers to measure extremely low sound pressure levels. Free-field microphone has built-in filter that ensures sensitivity is stable and accurate between 10 Hz and 16 kHz. Sensor is used with data acquisition systems that provide 4–20 mA of constant current. Using common coaxial cables with BNC connectors, Model 378A04 is...

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Test and Measurement Microphone resists dust and water.
Preamplifiers

Test and Measurement Microphone resists dust and water.

Featuring stainless steel grid cap and replaceable water- and dust-resistant cover, Â-½ in. Model 130A24 is suited for applications where moisture, oil splash, and contamination are present. Free-field, prepolarized microphone and preamplifier system has wide dynamic range from 30 dBA (inherent noise level) to 150 dB. Phase characteristics are tailored for noise source location...

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Microphone and Preamp System provides infrasound measurements.
Preamplifiers

Microphone and Preamp System provides infrasound measurements.

With frequency range of 0.13 Hz to 20 kHz, ±2 dB, ½ in. Model 378A07 meets IEC 61094-4 standard for test and measurement microphones. This covers infrasound which is below normal hearing range for adults. A2LA and ILAC accredited, free-field polarized microphone performs measurements commonly required for wind turbines, sonic booms, diesel engines, and specialized loudspeaker systems.

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Microphone Preamplifier allows acoustic testing in tight spaces.
Preamplifiers

Microphone Preamplifier allows acoustic testing in tight spaces.

Used to convertÂ- high impedance signal from measurement microphone into low impedance signal, Model 426A13 is designed for ½ in. microphones used to measure frequencies within both infrasound and the human audible range (3 Hz to 20 kHz). Preamplifier electronics fit in 0.94 in. long housing, and overall length (including connectors) of 1.4 in. accommodates...

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Preamplifiers

Motion Sensors, Inc. Proudly Announces IECEx Certification

Motion Sensors is proud to announce IECEx Certification of Intrinsically Safe Pickup Coils and Preamplifiers, demonstrating compliance to IEC 60079-0:2011 and IEC 60079-11:2011. Motion Sensors product lines covered under the certification include: PC45 and RF10 Series Intrinsically Safe Pickups; DMX, DRX, HX, HDX, HNX, MRX, and MRDX Series Intrinsically Safe Pickups; and PMX PRX Series Amplified...

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Preamplifiers

Short Preamplifier enables acoustic testing in tight spaces.

Supplied in 1.2 in. long housing, Model 426A07 converts high impedance signal from measurement microphone into low impedance signal. UnitÂ- can be paired with any PCB® ¼ in. free-field, random incidence and pressure microphone cartridges to test high frequencies ranging from human audible range of 20 Hz to 20 kHz up to ultrasonic frequencies greater than 100 kHz and...

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Preamplifiers

Outdoor Preamplifier features automatic calibration check.

Suited for remote sound level measurement, Model PRM2103 operates with Model 831 Sound Level Meter, 377B02 microphone, and environmental shroud for portable or permanent outdoor use in wide range of weather conditions. Automatic calibration checks 5 different frequencies simultaneously, enabling detection of any failure. When used with sound level meter, acoustic response can be selected as...

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Microphone Preamplifier withstands temperatures up to 257°F.
Preamplifiers

Microphone Preamplifier withstands temperatures up to 257°F.

With Model 1706, engineers can make acoustical measurements nearer to sound or noise source of hot devices, such as gas turbines and automotiveÂ- engines and exhaust systems. Preamplifier can be used with Smart Transducer interface, which is in accordance with IEEE 1451.4 standard. In addition, Model 1706 can be used in combination with free-field or diffuse-field ½ in. microphone,...

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Oilfield Improvements® Wheeled Rod Guide® Couplings Celebrate 35th Anniversary
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Oilfield Improvements® Wheeled Rod Guide® Couplings Celebrate 35th Anniversary

For over 35 years our Wheeled Rod Guide Couplings, have been at work in oil fields across the globe. Our products are engineered to extend the service life of sucker rods and tubing, delivering cutting-edge innovation that enhances oilfield operation, maximizes output, and enhancing overall operations. To learn about the advantages of using Wheeled Rod Guide Couplings in your wells, see our video.

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