Sondes are battery powered transmitters used to trace the path of both non-metallic and metallic pipes and ducts. A receiver in sonde mode tuned to the same frequency can locate the position and depth of to the sonde.
• Dimension: 2.5" (64mm) x 7.3" (186mm) long
• Frequency: 9.82 kHz, 33 kHz, 83 kHz
• Range: 26ft (8m)
• Battery: 1 x LR61 battery