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C-200 Ultrasonic Knife

C-200 Ultrasonic Knife

What does an ultrasonic knife do?

An ultrasonic knife uses high-frequency vibrations in the blade to help it cut with less force and less sticking.

What generates the vibrations in the C-200?

The C-200 doesn't use any vibrating motors or magnets to generate its ultrasonic vibration.

Can you feel any vibration in the handle during use?

No - you won't feel the vibrations in your hand.

Does it make noise?

Barely.

Will the sound bother dogs?

No.

Does the C-200 knife use AI?

No, it's a knife.

Does the C-200 have Bluetooth/WiFi connectivity?

Yes, the C-200 contains Bluetooth and WiFi radios for future-proofing, but no wireless connection is required or involved in using the knife.

Is an ultrasonic knife dangerous to use?

An ultrasonic knife isn't inherently more dangerous than any other sharp kitchen knife.

Where is the C-200 produced?

The C-200 was designed in Seattle and is manufactured in Malaysia.

What kind of knife steel does the C-200 use?

The C-200's blade is made from Japanese AUS-10 stainless steel in a three-layer "san mai" construction.

How big is the C-200 knife?

The blade is 8 inches long, or approximately 200 mm.

How much does the C-200 weigh?

C-200 weighs 330 grams with the battery installed.

Does the blade get hot when cutting with ultrasonics?

No, the blade does not get hot when active.

Is the C-200 knife a full-tang knife?

No, it's not full-tang, and that's okay.

How long does the battery last and what is the battery life per charge?

On a full charge, the C-200's battery provides about 20 minutes of continuous running at maximum power.

Is the battery removable?

Yes, the C-200's battery is user-removable.

How do I recharge the knife's battery?

When the battery is low, the knife will play an audible tone and flash lights when you turn it on. To check the battery level, remove and re-insert the battery into the knife. When it boots up, the indicator kits will display the battery level as per

Why wasn't a USB-C charging cable included?

We decided not to include a USB-C cable in the package because we know most customers already have a drawer full of those cables.

Do ultrasonic knives require less sharpening than regular knives?

Generally, yes - you won't need to sharpen the C-200 as frequently as a normal knife.

How do I sharpen or resharpen the C-200?

You sharpen it just like any other high-quality steel knife.

Is the knife dishwasher-safe?

No - and in fact, no fine knife should go in the dishwasher.

Is the knife waterproof?

The knife is water-resistant to an IP65 rating.

Why does the knife contain lead (per the warning label)?

The warning about lead is a formality for regulatory compliance.

Can I travel with the C-200 knife on an airplane?

You can, but you must follow airline rules for sharp objects and batteries.

Do the ultrasonics make cutting onions worse?

Onions, shallots, and garlic aren't wet enough to produce the mist you see coming off of citrus or tomatoes. We’ve cut a dozen of onions with the knife on and eye irritation was no worse than cutting with a normal knife.

Does ultrasonic cutting cause juices from meat, poultry, or seafood to mist?

Meat, poultry, and seafood aren't wet enough to produce the mist you see coming off of citrus or tomatoes.

Is this disability friendly?

We hope our products will benefit folks with reduced mobility. We have done limited testing among folks with various hand and arm impairments, and so far the feedback has been positive. However, that testing is not a substitute for a physician recomm

What is the lifetime of the piezo ceramic crystals?

The lifetime of these crystals is very long. They're the same ones used in industrial ultrasonic equipment that runs 24/7 for years at very high power. We're running them at comparatively much less power. So, although we don't have precise data (we'v

Are the ultrasonics dangerous for my skin?

Although industrial ultrasonic machines are typically not safe for skin contact, Seattle Ultrasonics knives run at a small fraction of the power and will not damage your skin when operated normally. You can safely hold the knife in a pinch grip durin

What is the bevel on The C-200?

The factory edge on the C-200 is a 26 degree inclusive bevel with a flat grind.  This bevel is great fit for common home cooking tasks, like breaking down produce, meats, and poultry. If you prefer a different bevel, feel free to resharpen to your an

Do you have other handle designs?

We currently only have one blade and handle design, but we hope to offer more options in the future!

How much does The C-200 weigh?

The C-200 weighs 330g, or just under 0.75 pounds.