Ridgid SeekTech ST-305 User Manual download pdf (Page 9)

Ridge Tool Company

Tools For The Professional

SeekTech

ST-305

Inductive Mode

1. Be sure that the transmitter is positioned correctly

over the line.

Figure 10: Orientation to the Line – Inductive Mode

NOTE: A slight tilt to the axis of the conductor can help

reduce the probability of air-coupling:

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. The transmitter will emit a series of regular beeps as

long as it is in Inductive Mode.

Figure 11: ST-305 in Inductive Mode at 33 kHz

4. Lower frequencies couple poorly. Therefore, the

ST-305 transmitter in Inductive Mode defaults to

33 kHz. Higher power is usually required for a clear

signal in Inductive Mode. Pressing the power key will

cycle through the three available power levels: 1 kHz,

8 kHz, and 33 kHz.

NOTE: If using the ST-305 in Inductive Mode, be certain to

switch Inductive Mode o if you are going to use the unit in

direct connect mode. Air coupling can create very confusing

signals if you inadvertently have the unit set to Inductive

Mode and are trying to use it in direct connect mode.

Coupling through Air

Figure 12: Near the transmitter, the receiver reads on the

local dipole eld around the transmitter.

It is important to set up the transmitter, when using the

Inductive Mode, a good 20 or 30 feet away from the region

where tracing occurs.

Orientation

Guide

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Ridgid SeekTech ST-305 User Manual Page 9