Prototek Products

Prototek has been designing and manufacturing underground locating equipment for over 20 years. At Prototek it is their foremost goal to engineer products to aid your accuracy and efficiency. Whether that includes pumping septic tanks or locating electrical lines Prototek products give you the performance technology, you want. Please click on the links below to view the Prototek products we offer.

Sonde Equipment
*Please click on a Category to view more information
Sondes – Prototek
Model | Size (Width x Length) Weight | Frequency | Depth Range Cast Iron | Depth Range Non-Metallic | Battery | Line Size | Best Use |
---|---|---|---|---|---|---|---|
FM-05![]() | 5/8″ x 2-1/4″ 1.1 oz | 512Hz | 10 +/- Feet | 7 +/- Feet | 1-357 / LR44 Button Cell | 1″ Long Sweeps 1-1/4″ P-traps | Fish Tape, 3/16″ Push Rodder |
FD-10![]() | 1/4″ x 2-3/4″ 2.5 oz | 512Hz | 10 +/- Feet | 15 +/- Feet | 1-N-Cell | 2″ + | 3/16 – 1/4″ Push Rodder or Camera |
FD-20![]() | 3/4″ x 4″ 3.3 oz | 512Hz | 14 +/- Feet | 20 +/- Feet | 1-AAA | 3″ + | 1/4″ Push Rodder or Sewer Maching w/Spring Carrier |
FD-40![]() | 1-1/2″ x 10″ 2 lbs | 512Hz | 30 +/- Feet | 45 +/- Feet | 4-C | 6″ + | Tractor Camera or 7/8″ Sewer Machine |
FTP-8![]() | 2-1/4” x 1-3/16” x 1” | 512Hz | 8 +/- Feet | 2 +/- Feet | Not Replaceable | – | Flushable lines along with Septic Tanks |
Spring Carriers – Prototek
Model | Description | Line Size | Best Used For |
---|---|---|---|
1.0 Spring Carrier![]() | Lightweight use. For use with ¼” push rods and 3/8” to ½” sewer machines. The 1.0 Spring Carrier is the perfect accessory to our FD-10, FD-20 or HD-40 transmitters. The spacing in the coils will allow full signal strength from the transmitter. This also allows for flexibility around corners. | Best used in 3-4” lines | Female threaded 5/16”-18” end for use with ¼” push rod |
1.8 Spring Carrier![]() | Medium weight use. For use with 5/16” or 3/8” push rods and 5/8” to ¾” sewer machines. The 1.8 Spring Carrier is the perfect accessory to our FD-10, FD-20, or HD-40 transmitters. The spacing in the coils will allow full signal strength from the transmitter to your receiver. This also allows for flexibility around corners. | Best used in 3-6” lines | Female 3/8-16” threaded end screws directly on your 5/16” or 3/8” push rod |
2.17 Spring Carrier![]() | Heavy-duty use. The 2.17 Spring Carrier is made for use with a 7/8” or 1-1/4” sewer machine. It is the perfect accessory to our FD-10, FD-20, or HD-40 transmitters. The spacing in the coils will allow full signal strength from the transmitter to your receiver. This also allows the flexibility around corners. | Best used in 6” lines and up | Made to fit 7/8” or 1-1/4” sewer machines |
If you have any questions, feel free to contact Instrument Technology Corporation at 800-519-1998.