4″ SiS Transmitter Signal Clamp

The Signal Select Clamp is a precise way to apply the locating signal if direct connection is not possible. Signal Select is a special modulation placed on the targeted utility line, to support positive line identification. This feature is available only on the following frequencies SIS-491 Hz, SIS-982 Hz, SIS-8.44 kHz, and SIS-9.82...
View More

Clamp Extension Rod

The Clamp Extension Rod is a plastic non-conductive rod with male and female threads at opposite ends. This hardware allows the extension rod to be connected and extend the length. A transmitter signal clamp attached to the extension rod can now be safely used on lines in trenches and manholes. Extendable lengths Use...
View More

Transmitter Signal Clamps

Signal Clamps provides a precise way to apply a locating signal. It is generally used when it is not possible or convenient to access the conductor to make a direct connection but there is sufficient room to place the clamp around the cable or pipe, or when it is not safe to make a...
View More