Elspec G4500 Series Spezifikationen PDF herunterladen (Seite 14)

August 2010

G4500 BLACKBOX PORTABLE OPERATIONAL MANUAL

4

The Hardware | Elspec

Clock/Calendar

Leap years, 24-hour clock

Dimensions

250 x 60 x 300 mm

Mass (Weight)

3.7 kg

Power Quality Standard confor-

mance

IEC61000-4-30 Class A

IEC61000-4-15

EN50160

IEEE519

Voltage and Current Inputs

Input channels

Voltage: 4AC/DC + 1DC

Current: 4AC + 1AC/DC

Voltage channels

Input resistance: 3 MΩ

Input capacitance: < 20pF

Current channels

Self-identifying probes

Types available: current probes, flexible

Rogowski coil types

Measuring method

Simultaneous digital sampling of voltages

and currents. Digital PLL synchronized sam-

pling, internal frequency reference used dur-

ing voltage drops.

Synchronization and sampling

PLL-Synchronized source

The PLL synchronized automatically to the

best out of L12 (between L1-L2 lines) and

L3-G (between L3 to earth) measurement

channels

PLL Lock Range

42.5 to 69Hz

Sampling Frequency

Voltage: 1024 samples/cycle

Current: 256 samples/cycle

Auxiliary DC Voltage: 200mS

Measurement Ranges

Voltage Measurement Range

AC Voltage: CAT III* 1kV RMS, 3mA ±8kV

Transients

DC Voltage: CAT III* ±1kV DC, 3mA

Current Measured Range

Depends on current probe used

Internal temperature

-40C° : +125C°

External temperature (PT100)

-100C° : +99C°

Measurement Accuracy

Voltage Inputs

Standard IEC 61000-4-30 Class A

Compliance

• Aggregations

• Time Clock Uncertainty

• Flagging

• Transient Influence Quantities

Internal temperature

≤1%

External temperature (PT100)

≤1%

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 174 175

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