3M 2250ME-iD, 2273ME-iD manual Frequencies, Active, Power, Press Cable/Pipe SK

Models: 2273ME 2250ME 2250ME-iD 2273ME-iD

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Frequencies

4.Press Clear All [SK] to delete all stored depth information.

−−The operator may select the memory location to store the depth readings by pressing Mem Select [SK]. When the preferred location appears on the screen, press Save [SK]. The screen and memory location will populate with the current information.

−−Each memory location can be reviewed by pressing Mem Select [SK].

5.Press Locate [5] to return to Locate Mode.

Frequencies

Active

Active frequencies are trace signals supplied by a 3MDynatelTransmitter 2200 Series (577 Hz, 8 KHz, 33 KHz, or 133 KHz).

1.Select the same frequency that the transmitter is generating;

2.Press Locate [5]

3.Press Cable/Pipe [SK]

4.Press Freq [SK]

5.Press ACTIVE [SK Toggle] until the desired frequency is displayed in the soft key command [9] (“Active” 577, 8K, 33K or 133K)

6.Press Locate [5] to return to Locate mode.

Power

Power frequencies refer to 50 or 60 Hz signals, and their harmonics that can be traced without the use of a transmitter.

50:Best for general locating of passive power.

50H (high harmonic): If the 50 choice appears to be responding slowly, or poorly, then 50H is the second choice for locating of passive power.

50L (low harmonic): Third choice for passive power locating. May be used when 50 or 50L is weak or erratic.

100 Hz: Used for locating rectified AC power signals, often found on pipelines using impressed current cathodic protection.

1.Press Locate [5]

2.Press Cable/Pipe [SK]

3.Press Freq [SK]

78-8130-6151-8-E

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3M 2250ME-iD, 2273ME-iD manual Frequencies, Active, Power, Press Cable/Pipe SK