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Supplier: Cole-Parmer
Description: , reverse, and net total • Use to measure clean liquids as well as those with small amounts of suspended solids or aeration Ultrasonic flowmeters clamp onto the outside of pipes and do not contact the internal liquid. The technology has inherent advantages over alternate devices including
- Gas Volumetric Flow Rate: 28.74 SCFM
- Liquid Volumetric Flow Rate: 215 to 814 GPM
- Electrical Output: Analog Current
- Operating Temperature: 40 to 185 F
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Supplier: Cole-Parmer
Description: , reverse, and net total • Use to measure clean liquids as well as those with small amounts of suspended solids or aeration Ultrasonic flowmeters clamp onto the outside of pipes and do not contact the internal liquid. The technology has inherent advantages over alternate devices including
- Gas Volumetric Flow Rate: 33.4 SCFM
- Liquid Volumetric Flow Rate: 250 to 946 GPM
- Electrical Output: Analog Current
- Operating Temperature: 40 to 185 F
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Supplier: Cole-Parmer
Description: , reverse, and net total • Use to measure clean liquids as well as those with small amounts of suspended solids or aeration Ultrasonic flowmeters clamp onto the outside of pipes and do not contact the internal liquid. The technology has inherent advantages over alternate devices including
- Gas Volumetric Flow Rate: 7.2 SCFM
- Liquid Volumetric Flow Rate: 54 to 204 GPM
- Electrical Output: Analog Current
- Operating Temperature: 40 to 185 F
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Supplier: Cole-Parmer
Description: , reverse, and net total • Use to measure clean liquids as well as those with small amounts of suspended solids or aeration Ultrasonic flowmeters clamp onto the outside of pipes and do not contact the internal liquid. The technology has inherent advantages over alternate devices including
- Gas Volumetric Flow Rate: 3.6 SCFM
- Liquid Volumetric Flow Rate: 27 to 102 GPM
- Electrical Output: Analog Current
- Operating Temperature: 40 to 185 F
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Supplier: KOBOLD Instruments, Inc.
Description: materials). The ultrasonic level metering technology is based on the principle of measuring the time required for the ultrasound pulses to make a round trip from the sensor to the level to be measured and back. The sensor emits an ultrasonic pulse train and receives the echoes
- Device Classification: Sensor-Only
- Level Measurement Type: Continuous Level
- Material Temperature Range: -22 to 190 F
- Maximum Operating Pressure: 25 psi
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Radar-acoustic interaction for IFF applications
The RCS calculation does NOT take into account the atmospheric attenuation of the radar and ultrasonic waves thought to be approximately 0.5 dB / meter at the ultrasonic frequencies.
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http://www.ndt.net/article/CompNDT2011/papers/16_Krause.pdf
where P is the acoustic pressure at the second reference location, P0 is the original acoustic pressure at the source, α is the attenuation coefficient in ( dB per metre ) and L is the distance travelled by the ultrasonic pulse from source to …
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http://www.ultragarsas.ktu.lt/index.php/USnd/article/download/529/707
where P is the acoustic pressure at the second reference location, P0 is the original acoustic pressure at the source, α is the attenuation coefficient in ( dB per metre ) and L is the distance travelled by the ultrasonic pulse from source to …
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A self-silenced sound beam
The sound pressure levels (re 20 μPa at 1 meter ) of the ultrasonic primary waves were in this way determined to 115.5 dB for the 77 kHz, 112.8 dB for the 75 kHz, 111.1 dB for the 52 kHz …
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Quenching of the excited states of 8-methoxypsoralen by synthetic Eumelanin
… nm) and visible (470- to 510- nm) regions; the photoacoustic signal was detected by a Panametrics V-103 PZT-based pressure transducer and amplified (60 db ) by an ultrasonic preamplifier; an RJ- 7620 (Laser Precision Corp.) energy meter was used to monitor …
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Encyclopedia of Acoustics Volume 2 Complete Document
Typical resonant AE sensors have peak velocity sen- sitivities of a few kilovolts by seconds per metre ; these are 20-40 dB more sensitive than those used for con- ventional ultrasonic testing.
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Determination of levofloxacin hydrochloride with multiwalled carbon nanotubes-polymeric alizarin film modified electrode
A KQ 400 DB Numeri cal controlled ultrasonic cleaner (Kunshan Ultrasonic Instrument Limited Company), a pHS 4A Digital acidity meter , a FA1004 electronic balance, and through flow cooler were employed for the experi ment.
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Autonomous corrosion detection in gas pipelines: a hybrid-fuzzy classifier approach using ultrasonic nondestructive evaluation protocols
The loss of an echo at the same db scale (decibel strength settings of the flaw meter ) but different loca- tion is caused by loss of ultrasonic wave energy from either roughness of area or major/minor nonartificial (i.e., not man-made …
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Advanced Wirebond Interconnection Technology
The probe tube picks up small variations in ultrasonic amplitude and the energy level is measured and stored on a sound level meter in units of dB pressure level.
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Clinical usefulness of serum tartrate-resistant fluoride-sensitive acid phosphatase activity in evaluating bone turnover
The two ultrasonic parameters measured were broadband ultrasound attenuation ex- pressed in decibels per megahertz (BUA, dB /MHz) and speed of sound expressed in meters per second (SOS, m/s).
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