General Specifications; Environmental Conditions; Operating Mode - PCE Chauvin Arnoux CA-E3N Mode D'emploi

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Table des Matières

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Environmental conditions

100

-30°

-50°

Battery: Alkaline 9V type 6 LR 61

Consumption: 8.6 mA typical, 12 mA max

Service life: 55 h typical, 40 h min.

Indicator: Green light goes out for a battery voltage < 6.5 V

Class of protection: Class II

Dielectric strength: 4 kV

Leakage current: < 0.5 mA

I To make a current measurement, switch on the clamp by selecting the 100 mV/A range.

Check that the battery indicator (green) is lit and that the «OL» indicator is not lit.

I Connect the clamp to the oscilloscope.

With the clamp closed and without clamping a conductor, select the highest sensitivity

(for example 1 mV/cm) on the oscilloscope and 100 mV/A on the clamp, then set zero on

the clamp with the thumbwheel in relation to a reference chosen on the oscilloscope. Zero

on the oscilloscope makes it possible to adjust this setting.

I Select the measurement sensitivities of the clamp and the oscilloscope.

I Choose the connection method which is the best adapted to measurement on the

oscilloscope.

I Note the direction of the primary current by means of the arrow marked on and under the case.

I Insert the conductor carrying the current to be measured in the clamp and take the

measurement.

I If necessary, re-check the origin of the graph, with the jaws not clamped around the

conductor, and make the measurement again.