Best Piezo Transducers
1 Uxcell a12081600ux0477 12 mm Diameter 5 Piece DC 5V 2 Terminals Electronic Continuous Sound Buzzer
Plastic housing, DC 5V working voltage, 2 pole terminals, convenient for connecting.
Reviews
Find Best Price at Amazon"Hooked to the Naze 32 beeper port it makes finding a quadcopter much easier."
"I connected 1 to each of my drones so I can locate them by sound if I can't see them, which really helps...........UNLESS.......their beyond hearing range."
"bzzzzz."
"They're ok - don't last very long but they are cheap and easy to replace."
"VERY GOOD PRODUCT."
"I like to have these installed on my Quads in case I crash in long grass or in a tree where it is hard to see the craft."
Min Sound Output at 10 cm: 90dB. Perfect for motorcycle stand alarm, alarm clock or any project which you need a alarm buzzer for getting immediate attention.
Reviews
Find Best Price at Amazon"Not what I expected based on "buzzer" in the description, so I knocked it down one star for that."
"They work fine, but this is not what I wanted."
"Beautiful quality and pretty loud, even under the dash."
"Really nice piezo sounders; unusual sound, too."
"I bought them for an external electronics alarm to be heard over my boat motor when there's a problem."
"Great alarm."
"I was going to attach these to my quad copter, but they are just too big."
"Nice and loud, but they are not a buzzer sound."
Specifications: Working Voltage: DC 3-24V. Rated Voltage: DC 12V. Rated Current: ≤30mA. Sound Output:≥85dB. Response Frequency:3000±500. Module Size: 30 X 15mm/1.18 X 0.59inch(D*T).
Reviews
Find Best Price at Amazon"Perfect for the money- Good Value."
"These make the sound (beeeeeeeep) that I was looking for after buying ones that sound like a car alarm."
"This beeper is solid plastic that makes a beep sound as 12 volts is applied to the leads."
"Used for my motor home that did not have a warning buzzer for lights left on."
Best Power Transducers
Plastic housing, DC 5V working voltage, 2 pole terminals, convenient for connecting.
Reviews
Find Best Price at Amazon"Hooked to the Naze 32 beeper port it makes finding a quadcopter much easier."
"I connected 1 to each of my drones so I can locate them by sound if I can't see them, which really helps...........UNLESS.......their beyond hearing range."
"bzzzzz."
"They're ok - don't last very long but they are cheap and easy to replace."
"I like to have these installed on my Quads in case I crash in long grass or in a tree where it is hard to see the craft."
Best Voltage Transducers
Simpson 372-3 Model 372 Series 3 Ohmmeter (0.2Ω to 50MΩ) The Simpson Ohmmeter Model 372 Series 3 is a six range instrument.
Reviews
Find Best Price at Amazon"Is it the wires coming from the main power sorce? All these questions can be answered by a few short tests with this meter. So this meter will save you money , make you seem smarter than the other person that doesn't use one."
Best Current Transducers
Best Frequency Transducers
The new Sonar Hub Sounder Module makes it easier than ever to identify productive fishing areas with connectivity to the latest sonar technologies for Lawrence HDS displays, including CHIRP and Structure Scan HD imaging, as well as the new Lawrence Spotlight Scan bow-mounted solution for HDS Gen2 models. CHIRP sonar with AIRMAR TM 150 transducer delivers extremely efficient pulse generation that provides improved target resolution and noise rejection, as well as wide coverage for perfect arches that clearly identify fish targets. (Sonar Hub not required for Spotlight Scan functionality with HDS Gen2 Touch displays). Black box sounder for HDS units.
Find Best Price at AmazonBest Temperature Transducers
Lowrance TotalScan Skimmer 83/200/StructureScan Transom Mount Model: 000-12568-001 UPC: 9420024145265 The New TotalScan™ Skimmer Transducer combines the proven technology of CHIRP, DownScan™ Imaging and StructureScan™ HD into one package.
Reviews
Find Best Price at Amazon"For whatever reason lowrance ships this unit with the 3D transducer mounting bracket thus requiring you to install it backwards have to route the cable from the back forward."
"My husband loves his Lowrance - it's perfect!"
"Amazing scans, keeps up at high speeds when adjusted properly."
"I took my old skimmer off and got lucky, the bracket for this unit fit right into the holes already drilled for my old bracket."
"Super fast shipping and first quality materil."
"So far, it doesn't work with my simrad units like it's advertised to do."
"It was advertised opened box, but they did not notice that someone had tried to install it previously and had broken a mounting screw off in the tranducer."