3M Dynatel 2250M Manuel utilisateur

3M™Dynatel™

Advanced Pipe/Cable Locator 2220M

Operator Manual

78-9000-0021-3-A

December 2007

Contents

Introduction .........................................................................................1

Standard 3M™Dynatel™2220M Locator Equipment Packages..2

Optional 3M Dynatel Accessories ................................................2

Quick Start...........................................................................................3

Transmitter Battery Installation ....................................................3

Transmitter Overview....................................................................3

Receiver Battery Installation.........................................................4

Receiver Overview ........................................................................5

Transmitter Operations........................................................................6

Direct Connection .........................................................................6

3M Dynatel Dyna-Coupler Clamp ...............................................6

Induction Method..........................................................................7

Receiver Operations ............................................................................8

Initial Settings................................................................................8

Receiver Setup...............................................................................8

Line Locating Screen ..................................................................11

Pipe and Cable Locating .............................................................12

Depth and Current.......................................................................12

Sonde Locating............................................................................13

Sonde Locating Screen................................................................13

Pin-Pointing the Sonde................................................................14

Speciﬁcations.....................................................................................15

CE Compliance..................................................................................17

Statement of Conformity.............................................................17

Statement of Intended Use..........................................................17

Introduction

Congratulations! You have just purchased one of the ﬁnest, most advanced

locating devices available today! When you choose a quality 3M™Dynatel™

Advanced Pipe/Cable Locator 2220M, you get outstanding performance and

reliability.

The 2220M locator is an excellent instrument for tracing all underground

utilities. The 2220M provides one audio frequency for locating long sections of

cable and one radio frequency for tracing pipes that may have high resistance

insulators and rubber gaskets that are often found in water and gas distribution

systems. The 2220M also provides three sonde locating frequencies.

Standard 3M™Dynatel™2220M Locator

Equipment Packages

Model Number Included in Equipment Package

2220M-U3W 2220M Receiver

3 Watt Transmitter

Direct Connect Cable (Utility size clip 5/8")

Ground Rod

Operator Manual

Carrying Bag

2220M-U3W-CPLR 2220M Receiver

3 Watt Transmitter

Direct Connect Cable (Utility size clip 5/8")

4.5" (114 mm) Dyna-Coupler clamp

Coupler Cable

Ground Rod

Operator Manual

Carrying Bag

2220M-C3W-CPLR 2220M Receiver

3 Watt Transmitter

Direct Connect Cable (Telecom size clip ¼")

3" (76 mm) Dyna-Coupler clamp

Coupler Cable

Ground Rod

Operator Manual

Carrying Bag

Optional 3M Dynatel Accessories

3" (76 mm) Dyna-Coupler Clamp 3001

4.5" (114 mm) Dyna-Coupler Clamp 4001

6" (150 mm) Dyna-Coupler Clamp 1196

Coupler Cable 9011

Direct Connect Leads (Small Telecom clips) 2892

Ground Extension Cable 9043

•

Quick Start

Transmitter Battery Installation

Transmitter Overview

Dynatel™220M

Off On

Frequency

Output Level

Induction Direction

➊ ➋

➎

➌ ➍

1. Power OFF / Battery Level Indicator – Press and hold.

Display reads:

“OK” with solid tone = good

“LO” with pulsing tone = low

“- -” with no tone = replace

2. Power ON / Frequency Select – Powers on the unit. When pressed

repeatedly, it will cycle through the available frequency modes:

a. Single audio frequency - 8 kHz

b. Single radio frequency - 82 kHz

c. Dual frequency – Both 8 kHz and 82 kHz are transmitted

simultaneously.

3. Output Level – Toggles the output power level between Normal output and

High output. Flag will ﬂash over output icon on display when in High output

mode.

4. Output Jack – Direct Connect and 3M™Dynatel™Dyna-Coupler Clamp port.

5. Induction Direction Arrows – Indicates orientation of transmitter in

relationship to target path.

 Warning

Potential for electric shock exists when handling connection cables while the

transmitter is ON. Make all connections prior to powering on the unit. Turn the

transmitter OFF before handling connection cables.

 Warning

Voltage greater then 240 volts will damage equipment and could cause personal

injury or death. Make all connections before turning on the transmitter. Follow

standard procedures for reducing the voltage.

Receiver Battery Installation

The Receiver displays the battery level across the bottom of the start up screen

when the unit is powered on.

Receiver Overview

➊

➋

➌

➍ ➎

➏ ➐

➑

➒

1. Volume Control – Adjusts the volume of the receiver through three levels of

audio and off.

2. Power Key – Powers the receiver on and off.

3. Peak Key – Toggles between Directional Peak and Single Peak antenna

conﬁguration.

4. Line Locate Key – Places the Receiver in Pipe/Cable locating mode and

selects frequency. When toggled, it will cycle between 8 kHz, 82 kHz, and

60 Hz (Power Mode). (More frequencies are available in setup mode).

5. Sonde Locate Key – Places the receiver in sonde locate mode and selects

sonde frequency. When toggled, it will cycle between 512 Hz and 33 kHz.

More frequencies are available in setup mode.

6. Gain Adjust – Adjusts the sensitivity of the receiver either up (+) or down

(-) to maintain a satisfactory audio and bar graph response.

7. Depth Key – Displays depth to target pipe/cable/sonde.

8. Setup Key – Conﬁgure receiver depth units, enable/disable line and sonde

frequencies, select 50/60 Hz power frequencies.

9. Bulb Key – Turns the display backlight on and off.

Transmitter Operations

There are three different methods of applying the transmitter’s locating signal to

the target conductor: Direct Connection, 3M™Dynatel™ Dyna-Coupler Clamp,

and Induction.

Direct Connection

This is the preferred mode of operation because the transmitter is connected

directly to a metallic portion of the target conductor (hydrant, meter, riser,

valve, sheath, or tracer wire).

1. While the transmitter is off, plug the direct connect cable into the output

jack of the transmitter.

2. Attach the red lead of the direct connect cable to the target conductor.

3. Extend the black lead as far as possible from the target conductor at a right

angle (90 degrees) to the suspected path of the target.

4. Insert the external ground rod and attach the black lead of the transmitter.

5. Turn the transmitter ON by pressing the frequency button. Select 8 kHz,

82 kHz, or both (8 K and 82 K will ﬂash on the display).

6. An audible tone, indicating the continuity of the signal path will sound for

10 seconds and the output current will display in mA.

a. Solid tone = Good signal

b. Fast Beep = Moderate signal

c. Slow Beep = Minimal signal

d. No tone = Poor signal

7. The frequency will ﬂash alternately with the current of the target conductor

on the display.

8. Trace the signal path with the receiver. (See Receiver Operations, page 8.)

3M Dynatel Dyna-Coupler Clamp

If a direct connection to the target facility is not possible, use the Dyna-Coupler

clamp to apply the locating frequency on the metallic target conductor. In order

to trace a target using the Dyna-coupler method, both ends of the target must be

well grounded.

1. While the transmitter is off, attach the coupler cable to the Dyna-Coupler

clamp and plug it into the output jack of the transmitter.

2. Clamp the Dyna-coupler around the metallic target. The jaws of the coupler

must be fully closed.

3. Select 8 kHz or 82 kHz on the transmitter by pressing the frequency key.

4. Select High Output level for the best signal-to-noise ratio.

5. Trace the signal path with the receiver. (See Receiver Operations, page 8.)

Induction Method

If you cannot make a direct connection, or use the 3M™Dynatel™Dyna-Coupler

clamp to apply a locating signal on the target, use the induction method. This

method uses the internal coil of the transmitter to generate a magnetic ﬁeld.

This is the least preferred method of applying a signal on a target conductor

because it can easily be picked up by other non-target conductors in the area.

However, it is the preferred method of applying a signal to multiple cables/pipes

in the same trench.

1. Verify battery level of transmitter and remove any cables from the output

jack.

2. Position the transmitter over the target facility, with the hinge of the

transmitter over and in line with the cable/pipe path.

3. Align the Induction Direction arrows on the transmitter with the target

conductor.

4. Turn on the transmitter by pressing the frequency key.

5. Select High Output level for the best signal-to-noise ratio.

Note: If nothing is plugged into the output jack of the transmitter, the

transmitter will automatically turn on the internal antennae, and 82 kHz

will broadcast in induction mode. For best results, the receiver should be

at least 40 feet (12 m) away from the transmitter to begin tracing the target

path. Attempting to trace the target close to the transmitter may lead to false

indications due to the receiver detecting the large magnetic ﬁeld radiating

from the transmitter.

Receiver Operations

Initial Settings

From the manufacturing facility, the receiver is conﬁgured as follows:

Line Locate Frequencies Selection Default

8 kHz Always Enabled Enabled

82 kHz Always Enabled Enabled

Power Always Enabled Enabled

Radio Enable/Disable Disabled

CATV Enable/Disable Disabled

CPS Enable/Disable Disabled

Sonde Locate Frequencies

512 Hz Enable/Disable Enabled

640 Hz Enable/Disable Disabled

33 kHz Enable/Disable Enabled

Units inch or cm Inch

Power Frequency 50 Hz or 60 Hz 60 Hz

Contrast Up or Down Middle

Depth Measurement Live or One-Shot One-Shot

The setup function will allow you to enable or disable additional locating and

sonde frequencies.

Receiver Setup

Any of the available frequencies of the 3M™Dynatel™Advanced Pipe/Cable

Locator 2220M can be activated or deactivated. When a frequency is activated,

a check mark will appear beside the frequency in the middle of the setup screen.

All frequencies that are activated in the setup menu, will be available in the

locate screens.

When the Setup key is pressed, the receiver will cycle through the following

screens.

Select the left/right arrow keys (← →) to cycle through the setup screens.

Contrast Adjust

Press the up or down arrows ( or ) to

adjust the screen contrast.

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