Prototek will be closed Monday, May 30th, in observance of Memorial Day. All orders made after 2:00pm PST Friday, May 27th, will be shipped Tuesday, May 31st.

Here at Prototek we have been innovating and manufacturing underground locating equipment for over 30 years. Our goal is to engineer products to aid you to be accurate and efficient on the job site. All our products are assembled in the USA.
Featured Products

Ardy 223 KiloHertz Analog Kit
223 KiloHertz frequency for nonmetallic locating
The Ardy is our original analog receiver it is simple to use and great for locating septic tanks and for use in nonmetallic pipes. It is compatible with our orange ATP-12, 223 KiloHertz flushable transmitters.
The Analog hard case is made of high density Polyethylene for durability. This is a great accessory to help protect your receiver from the elements.
- Simple to use controls allows you to control the amount of signal you see on the meter
- Headphone jack for noisy sites
- Red battery tester button will help you know when its time to change out the batteries
- To calculate depth multiply the distance in inches between your front and back nulls by .7
- To order more ATP-12 flushable transmitters please click on the following link. ATP-12 223 KHz

Ferris 512 Hertz Analog Kit
For cast iron and nonmetallic locating
The Ferris analog receiver is simple to use and great when locating in cast iron, nonmetallic lines and septic tanks. It is compatible with our blue FTP-8 512 Hz flushable transmitter, 512 Hz DuraSonde line of transmitters and most sewer camera transmitters.
The Analog hard case is made of high density Polyethylene for durability. This is a great accessory to help protect your receiver from the elements. Simple to use controls allows you to control the amount of signal you see on the meter.
- Headphone jack for noisy sites
- Red battery tester button will help you know when its time to change out the batteries
- To calculate depth multiply the distance in inches between your front and back nulls by .7
- To order more FTP-8 flushable transmitters please click on the following link. FTP-8 512 Hz

FTP-8 | 512 Hertz Flushable Transmitter
The FTP-8 flushable transmitter works in cast iron and nonmetallic lines along with septic tanks. The flushable transmitter uses the 512 Hz frequency and will work with our Digital LineFinder series along with the Ferris analog receiver.
- Black On/Off push button
- Floats for easy retrieval
- Flashing LED indicates that the sonde is transmitting
- Red LED will come on to indicate when the battery is no longer good
- Batteries are not replaceable
- Eyelet for easy attachment to a fishing line
Get a 12.5% discount on flushable transmitters when you buy 20 or more
All flushable transmitters ship FedEx 2-day for the price of Ground. Just select Ground shipping at checkout.

LineFinder 2200 with Case | Multi Frequency
Our do it all receiver
Sleek, easy to use with automatic depth calculator for accuracy +/- 10%
The LF 2200 comes loaded with 3 built-in industry standard sonde frequencies, 16 Hz (steel or ductile iron), 512 Hz (cast iron or non-metallic) and 8 KHz (nonmetallic only) sondes. Customize any sonde or line trace frequencies from 16 Hz to 100+KHz. And with the capability to trace underground metallic lines at 4 built-in industry standard frequencies using our BuzzBox external line exciter you will be ready to locate almost anything.
The Storm watertight and impact-resistant case is the perfect accessory to help protect your LineFinder from the elements.
- LCD screens come with automatic backlight and LED functions
- 4 Position switch helps you navigate through the screens with ease
- Handle vibration helps guide you through the steps to locating both sondes and lines with accurate position as well as precise depth
- Headphone jack is perfect for locating on a noisy site
- Low battery indicator so you know when its time to change out your batteries
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What our Customers are saying
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