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Ansonics Inc, formerly Techsonics


Son-tector product description and photos



© 2007-14 Ansonics, Inc.
All right reserved.

SON-TECTOR and SON-CASTER are trade names of Ansonics, a division of Taos Techsonics, Inc.

Manufacturing ultrasonic detectors since 1963   Home  |  Contact Us  
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Son-Tector Ultrasonic Detector

Item   Specification   Comment
Warranty   30 Days
learn more
Frequency range   35Khz to 45 Khz   Sound generated by leaks and malfunctions occur in this range. Wider range increases cost and complexity for no practical benefit.
Circuitry   Solid state analog   Sturdy, reliable
Sensitivity   .5cc/sec.
(air at sea level)
  Click here for graph showing relationship between distance from leak and leak size.
Battery   9 V   Easy to obtain. Batteries tend to be replaced due to age rather than from usage. (Estimated life ~100 hours at partial volume. 12 hours at full volume.)
Display   Analog meter   Sturdy, reliable, easy to read in any light.
Audio output   100-5000cycles   (1) Built in loudspeaker for low background noise situations.
(2)Padded, comfortable headphones for noisy background situations.
Base unit dimensions   6.5 x 4.5 x 1.75 inches   Hand held or clipped to belt.
Base unit weight   1.2 lbs    
123 package weight   7 lbs.    
Training manual   Instruction sheet included   Unit is easy to use. Read the simple instructions, and play with the unit for a few minutes. New users find leaks or malfunctions in minutes.
Bells and whistles       Learn more

Why pay more for features you don’t need, or be confused by big words that don’t make any difference?

Over the years, we have come to call this topic “BELLS AND WHISTLES”.

Using ultrasonics to locate leaks and mechanical malfunctions is far superior to soap bubbles or stethoscopes. That said, ultrasonics is not rocket science either! We have received phone calls and emails from people asking us about various features that sound impressive, make no difference, or are even a bad idea.

Here are a few of our favorites:
Hetrodyning is as common to ultrasonic detectors as wheels are to cars. Hetrodyning is the process by which frequencies are mixed to make pressurized leaks or mechanical malfunctions audible to the human ear.

Adjustable or Variable Frequency. Calibration. We find it hard to imagine why anyone would build, or spend the money to buy, a unit that requires increased training time and increased set-up time for no practical benefit. The Son-Tector is built to hear the ultrasonic noise generated by pressurized leaks and mechanical malfunctions. Adjustment is unnecessary.

Noise attenuating headsets. All this means is that cups cover your ears to block out background noise.

Digital. The Son-Tector remains with solid state analog circuits because they are rugged and reliable. Digital is more modern, and is tempting because digital circuits are cheaper to build.  After 60 years, we have learned a thing or two about building units that hold up in the field. Solid state analog circuitry is dependable.

We are skeptical, and think you should be, too, about ultrasonic detectors that are loaded with features that increase complexity and cost. Why spend more for the unit as well as making a huge investment in training maintenance personnel? We have incorporated feedback from the field over the years in order to keep the Son-Tector dependable and easy to use.

You can pay more and you can pay less. We were in the forefront of ultrasonic detection manufacturing. We will still be here if you have questions or problems down the road. Learn more about us


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