Circutor AR6 Series Bedienungsanleitung PDF herunterladen (Seite 14)

AR6 portable network analyzer

Page 14 of 69 User Manual

4.4 CURRENT INPUTS

Inputs for current measurement

I1 I2 I3 IN Leakage

Input voltage

0…2 V

RMS

Measurement margin

from 1 to 120% of In

Primary current measurement In

Depends on clamp

Admissible overload

3 In

Consumption

≤0.0004 VA

Accuracy of the instrument

(excluding the clamp)

0.5%±

1 digit (we must add the margin of error of

the clamp used to this number)

Special features

Earth leakage current measurement via low-

pass filter (option to activate or deactivate)

Input impedance

10 kΩ

4.5 CURRENT CLAMPS

The AR6 can use single-scale or multi-scale clamps. When using single-scale clamps the

instrument automatically recognises the clamps connected to it; in the case of multi-scale

clamps, when the clamps are connected a menu pops up to configure the current transformer’s

ratio (see current clamp configuration).

When using E-FLEX 54 cm multi-scale clamps the scales are as indicated in

Table 4-1

Table 4-1.- E-FLEX 54 cm clamps

Clamp

TURNDOWN

RATIO

LED

Range (2.5...100%)

E-FLEX 54 cm (See note 1)

200 A

blue

5…200 A

2,000 A

red

50...2,000 A

20,000 A

blue + red

500...20,000 A

Note 1: E-FLEX clamps have built-in LEDS to indicate the scale at which they are working.

When they work at a low scale the blue LED lights up, when they work at a medium scale the

red LED lights up and when they work at a high scale both LED light up.

4.6 VOLTAGE INPUTS

Inputs for voltage measurement

U1 U2 U3 UN U

EARTH

Input margin

Unom= 10 to 800 V

RMS

phase-neutral

Measured accuracy

0.5%± 1 digit

Number of inputs

Peak voltage

2,500 Vpeak

Bandwidth

3.2 kHz

Input impedance

10 MΩ

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 68 69

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