ATP-12 | 223 KiloHertz Flushable Transmitter


For use ONLY with Prototek’s Ardy receiver. The ATP-12 transmits using the 223 KiloHertz frequency. It is the only option when locating with our Ardy receiver in nonmetallic lines and septic tanks. This 223 kHz frequency will NOT transmit through any metal pipe.

  • Black On/Off push button
  • Floats for easy retrieval
  • Flashing Orange LED indicates that the sonde is transmitting
  • Flashing Red LED indicates when the Transmitter is on its final flush
  • Solid Red LED means the batteries are dead and it is time for a new Transmitter
  • Batteries are not replaceable
  • Eyelet makes it easy to attach a light-weight string for better control

Save $3.80 on each flushable transmitter when you buy 20 or more

All flushable transmitters ship FedEx 2-day for the price of Ground. Just select Ground shipping at checkout.

SKU: 00-121-ATP12 REV J Categories: , , ,
  • Frequency: 223 KiloHertz
  • Dimensions: 2-1/4” L x 1-3/16” W x 1” H
  • Weight:  0.8oz
  • Line size: 3 inches and up
  • Range: 12 +/- feet in nonmetallic
    Range is determined under best conditions using a Prototek Receiver
  • Signal tone: Beeping
  • Battery life: 10 +/- hours (Batteries are not replaceable)
  • On/Off: Push Button
  • Best Use: Flushed
  • Receiver Type: Ardy Receiver only

Q: Can I use the flushable transmitters on the end of a sewer machine or push rod?
A: We do not recommend it. Using the flushable transmitters in this way will void any warranty and possibly cause damage to the transmitter.

Q: Can I use the ATP-12 to locate in cast Iron?
A: No. The ATP-12 is only for use in nonmetallic lines and septic tanks.

Q: Do the Flushable transmitters float?
A: Yes.

Q: How do I calculate depth?
A: To calculate depth you will take the distance, in inches between your front and back nulls and then multiply by .7. An example would be if you measured 50 inches between your front and back nulls then you would multiply 50 x .7 = 35 inches.

Practice Analog Locating PDF

Using Flushable Transmitters PDF

Download Analog Manual PDF


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