Ridgid SR-60 User Manual download pdf (Page 40)

38 www.seektech.com Ridge Tool Company  Elyria, Ohio  U.S.A

SeekTech SR-60

be able to make the correct decision rapidly and

accurately.

A Better Way of Locating

The SR-60 gives the operator a picture of the

situation as the receiver moves along the target area

and makes it easier to understand where a target

line’s electromagnetic field is. With more complete

information, an operator can understand how things

stand underground and resolve complex situations,

avoid inaccurate mark-ups, and find the right line or

cable more rapidly.

What the SR-60 Does

The SR-60 is used above ground to sense and trace

electromagnetic fields emitted from underground or

hidden lines (electrical conductors like metal cables

and pipes) or Sondes (actively transmitting beacons).

When the fields are undistorted, the information from

the sensed fields gives an accurate picture of the

buried object. When the situation is made complex by

interference from more than one line, or other factors,

the SR-60 provides a display of information that

shows multiple measurements of the detected field.

This data can make it easier to understand where the

problem is, by providing clues as to whether a locate

is good or bad, questionable or reliable. Instead of

just laying paint in the wrong place, the operator can

see clearly when a difficult locate needs re-

evaluation.

The SR-60 provides more of the critical information

the operator needs to understand the situation

underground.

What It Does Not Do

The SR-60 locates by sensing electromagnetic fields

surrounding conductive objects; it does not sense the

underground objects directly. It provides more

information about the shape, orientation, and

direction of fields than other locators but it does not

magically interpret that information or provide an x-

ray image of underground objects.

A distorted, complex field in a noisy environment

requires intelligent human thought to analyze

correctly. The SR-60 cannot change the results of a

difficult locate, even though it shows all the

information about those results. Using what the SR-

60 shows, a good operator can improve locating

results by “making the circuit better”, changing

frequency, grounding or the transmitter’s location on

the target line.

Advantages of the Omnidirectional

Antenna

Unlike the coils used in many simple locator devices, the

Omnidirectional antenna detects fields on three separate

axes, and can combine these signals into a “picture” of

the apparent strength, orientation, and direction of the

complete field. Omnidirectional antennas offer definite

advantages:

The Mapping Display

The mapping display enabled by the Omnidirectional

antennas provides a graphic view of a signal’s

characteristics and a bird’s eye view of the signal from

underground. It is used as a guide for tracing

underground cables and pipes, and can be used to

better pinpoint Sondes. It can also be used to provide

more information for complex locates.

Figure 69: Mapping Display

The use of lines (representing the signals sensed by

upper and lower antennas) and guidance arrows

(pointing toward the center of the detected field) combine

to give the locator a graphic picture of the receiver’s

location, and where the target utility or Sonde is. At the

same time the operating screen provides all the

information needed to understand what is happening

with the field being located – its Signal Strength,

continuous distance, Signal Angle, and proximity to the

target. The information available at one moment on the

SR-60 would take multiple sample readings with some

conventional locators. A distorted or compound field will

be easier to interpret when all the information is in a

single display as it is with the SR-60.

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Ridgid SR-60 User Manual Page 40

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