What difference does "ultrasonic" make?
313632
It is silent. Whereas other's make some noise. Plus, you get a fog type mist out of it. It really is so much better.
313633
smaller water 'drop.lets'. less likely to 'puddle-up' around humidifier. better distribution of moisture.
418304
I dont know exactly but it is a noticable difference. Accelaration is greatly improved, top speed does not change much. But u do need a bigger muffler to dampen the sound.
1014752
It has both features, which can operate independently or at the same time. Depending on the size of the room, the effectiveness as a humidifier may be reduced (the manual rates its area of coverage at 500 sq ft), but I would rate it as comparable to a standard ultrasonic humidifier.
1226342
I'm not sure what you are asking. There is no heat involved in the cleaning action which is done with ultrasound waves.
809213
I don't know the difference between regular one and ultra. I am also not sure about the warranty one used items
1521512
I'd say ultrasonic from the product description.."An ultrasonic element at the bottom atomizes the water and the oil to diffuse the aroma".
1595654
Yes. It doesnt leave any residue behind so it doesn't affect the ultrasonic unit.
201341
Dear , The device is suitable for ultrasonic examination on abdominal, small parts and obstetric,,not have the musculoskeletal scanning function
693467
I'm not sure of the difference between the true ultrasonic and fine mister, but I can tell you if you put your face directly in the mist, water does NOT collect in droplets on your face, unlike what would happen if you were using a plant mister. So I'm guessing that it is an ultrasonic.
1908149
Spec sheet does not address your question, but it does say that the Voltage and frequency is AC 220-240V and 50-60Hz and consumption Power is 160 Watts. Ultrasonic Frequency is 42k Hz. Hope this helps!
1352134
I am pretty sure that the instruction manual said "no." The ultrasonic surface would clog.
992470
USM stands for UltraSonic Motors. They are known for being quieter than standard motors used in cheaper lenses. This is useful when video recording or photographing wildlife that could become spooked from noisy camera parts. Alas, I'm not sure why the non-usm is more expensive. The two lenses seem comparable with this one exception. Perhaps someone else can chime in about the price difference. I hope this helps.
418307
It doesn't add HP. It alters the frequencies and deepens the tone. Basically cleans up the sound especially if you have headers.
1844655
Hi: I can't identify any 'SK2' details on the device or the leaflet- it's simply called a Novasonic Intrasound in all references. I think when I bought one years ago in the UK it was called 'Ultrasound' but it's the same thing. Yes it does have the Percussor function too, a simple switch to the alternative vibration, and a choice of two heads- a flat disc and a ball head. The intensity level is adjustable, but subtle. I can't confirm the warranty period at this moment, I think it's only one, but it's a well made device that if treated well should far exceed the warranty period. I hope this helps. Hi: I can't identify any 'SK2' details on the device or the leaflet- it's simply called a Novasonic Intrasound in all references. I think when I bought one years ago in the UK it was called 'Ultrasound' but it's the same thing. Yes it does have the Percussor function too, a simple switch to the alternative vibration, and a choice of two heads- a flat disc and a ball head. The intensity level is adjustable, but subtle. I can't confirm the warranty period at this moment, I think it's only one, but it's a well made device that if treated well should far exceed the warranty period. I hope this... » Read More Hi: I can't identify any 'SK2' details on the device or the leaflet- it's simply called a Novasonic Intrasound in all references. I think when I bought one years ago in the UK it was called 'Ultrasound' but it's the same thing. Yes it does have the Percussor function too, a simple switch to the alternative vibration, and a choice of two heads- a flat disc and a ball head. The intensity level is adjustable, but subtle. I can't confirm the warranty period at this moment, I think it's only one, but it's a well made device that if treated well should far exceed the warranty period. I hope this helps. « Show Less
220993
Hi Ed: this product doesn't detect ultrasonic sound. It strictly picks up decibel levels. I purchased this meter for my son to perform his sound meter experiment. As a result, we were able to acquire a reading for a fire engine at 130 decibels. I hope this helps. Tuan
524797
Probably the higher one, but difference is negligible. If you want the loudest, most noticeable sound, get both of them.
955847
No, it only claims to prevent differences in volume when changing from one channel to another. I couldn't tell that it made much of a difference.