Fisher Sonde SR 81 at 81.92 kHz for TW-6 OVERSIZE and any other concealed metallic

and any other concealed metallic object

It has a peak hold function that appears on the LCD bar graph for comparison of sound levels

Searches in water may be conducted up to the control box

Headphones

The Fisher M-97 Metal Detector Is Designed For Finding Buried Or Paved Over Valves

Fisher Sonde SR 81 at 81.92 kHz for TW-6 OVERSIZE and any other concealed metallicFisher Sonde SR 81 at 81. 92 kHz for TW 6 Product Overview The Fisher Sonde SR 81 is a compact transmitter designed to trace the path of non metallic pipes and locate blockages in lines. It offers exceptional battery life, impressive distance and depth capabilities, and a highly durable design. Compatibility This sonde is specifically engineered for use with the Fisher TW 6 two box metal detector, ensuring optimal performance and reliability. Key