RIDGID SeekTech ST-305 Operator's Manual download pdf (Page 13)

Ridge Tool Company ● Elyria, Ohio ● U.S.A www.seektech.com 11

SeekTech ST-305 Line Transmitter

Inductive Clamp Method

Figure 9: ST-305 with Inductive Clamp

When using an inductive clamp, plug the inductive

clamp jack into the receptacle provided at the end of

the transmitter. The Inductive Mode LED will flash

rapidly when a clamp is connected. Clips and leads

are not used. Note that for a clear signal using an

inductive clamp, both ends of the utility should be

grounded.

Clamp the inductive clamp around an accessible

portion of the line chosen to trace. The clamp will

induce a signal into the conductor when the

transmitter is powered on.

Select frequency and power as with the Direct

Connect Method. Operational frequency choices for

use with an Inductive Clamp are 1 kHz, 8 kHz, and

33 kHz.

Figure 10: Inductive Clamp Attached to a Conductor

Inductive Mode

1. Be sure that the transmitter is positioned

correctly over the line.

Figure 11: Orientation to the Line – Inductive Mode

Note: A slight tilt to the axis of the conductor can

help reduce the probability of air-coupling (see

page

12):

Transmitter

Conductor

2. Power the transmitter on. Push the Inductive

Mode switch to induce a signal onto the line

without a direct connection. (A long beep will

sound when entering Inductive Mode.) The

Inductive Mode LED will light .

3. Clips and leads are not used. Note that for a

clear signal using induction, both ends of the

utility should be grounded.

4. The transmitter will emit a series of regular

beeps as long as it is in Inductive Mode.

Orientation

Guide

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RIDGID SeekTech ST-305 Operator's Manual Page 13