The “Ardy” Receiver | 223 kHz

AR-1 "Ardy"The Ardy analog receiver has proven to be the most economical and easiest to use for simple underground non-metallic line and septic tank locates.
Team the AR-1 with the ATP-12 flushable transmitter for dependable septic tank locating.  The signal from the ATP-12 is very distinct and won’t be confused with any source of interference.

And it’s affordable – only $405, or make it a kit  for $651 with 3 ATP-12 transmitters and a hard case

Analog Receiver details