Extech Instruments 382357 Specifikace stáhnout pdf (Strana 8)

382357‐EU‐ENV2.42/13

Applications

Telephone‐ElectricalGroundRods

1. Removeanyprotectivecoveringfromthegroundconductor

2. TurnthemeterswitchtotheOhmfunction.

3. Oncethestart‐upcalibrationprocedureiscompletedclampontoanelectrodeorground

rod.

4. Allowseveralsecondsforthemetertosettleandthennotethereading.



CellularTransmissionTowers

WARNING:Useextremecarewhenmakingmeasurementsaroundtransmissiontowers;High

Voltagemaybepresent.

Thegroundconductorshouldbelocatedatthebaseofthetower,butyourconfigurationmay

bedifferent.

1. Locatethegroundconductor

2. Clamparoundthegroundconductor.Youshouldplacetheclampbeforeanysplices,bonds

orothersplitsinthegroundsystem.

3. Readthemeasuredreading.



Transmission

Tower

Primary

Ground Conductor

Branch

Ground Conductors

Cement Pad

1 2 3 4 5 6 7 8 9 10 11 12 13

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Extech Instruments 382357 Specifikace Strana 8