Amprobe CT-53 Manual de instrucciones - Página 11

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4. Connect the flexible measuring head around the conductor.

5. Make sure the arrow marked on the measuring head coupling points

towards the current flowing direction of the conductor, and position the

conductor under test as shown below.

Source

note 1: Reference measurement position of the conductor. Maximum

coupling diameter: 20 mm for published accuracy.

note 2: Keep minimum 65 mm to ensure published accuracy.

6. Ensure the coupling point of the flexible measuring head is firmly locked.

7. Press RANGE button to select any desirable range (300A/ 1000A/ 3000A).

When powering off the instrument once and powering on again,

the range will be the same one selected prior to powering off the

instrument.

caution

• The coupling point may

disconnect if excessive

pulling force is applied.

• Clamp onto one

conductor only.

Measurement cannot be

made when clamping

single-phase (2-wire) or

threephase (3-wire) at

the same time.

Load

Guide arrow mark

Note 2

Note 1

Note 2