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: 0.7in (18mm) x 2.48in (63mm) long
• Frequency: 33 kHz
• Range: 15ft (4.5m)
• Battery: 2 x button cell batteries
• End cap: eyelet, 10mm studded