PeakTech 4145 User Manual

8. Specifications
8.1 Frequency Measurement
Nominal frequency
Measurement range
Resolution
Accuracy
50Hz
42.50~57.50 Hz
0.01 Hz
±0.1 Hz
60Hz
51.00~69.00 Hz
0.01 Hz
±0.1 Hz
400 Hz
340 ~460 Hz
0.01 Hz
±0.1 Hz
Note: measured on Reference Voltage Input A/L1.
8.2 Voltage Input
Numbers of input
4 (3 phase + neutral) DC coupling
Max continuous input voltage
1000Vrms
Range of nominal voltage
50 to 500V
Max pulse peak voltage
6kV
Input impedance
4MΩ/5pF
8.3 Current Input
Numbers of input
4 (3 phase + neutral) DC coupling
Type
Clamp Current Sensor, with mV output
Nominal input range
0~±5.625Vpeak, 0~3.97Vrms sinewave
Input range
1 to 3000Arms with supplied current clamp
Input impedance
50kΩ
8.4 Sampling System
Resolution
8 channels 16 bits AD
Sampling rate
20kS/s for each channel, 8 channels sample synchronously
RMS sampling
5000 points for 10/12 cycles (according to IEC 61000-4-30)
PLL sync
4096 points for 10/12 cycles (according to IEC61000-4-7)
8.5 Display Mode
Waveform display
4 voltages and 4 currents signal waveforms can be displayed
synchronously, displayable under Scope and Transient modes.
Phasor Display
Intuitively view voltage and current phases of each phase
(Displayable under Unbalance)
Table Screen
Displayable under voltage/current/frequency, harmonic, power and
energy, flicker, unbalance modes.
Trend Display
Display Trend record of measurement parameters changes over
time (Displayable under voltage/current/frequency, power and
energy, dips and swells, inrush current, flicker, monitoring modes)
Events Table Display
Display information of events exceeding limits value (Displayable
under Dips&Swells, Transient, Inrush current, Monitoring modes.)
Bar Graph Display
Harmonic and interharmonic bar graph display mode is more
intuitive (Displayable under harmonics and monitoring modes)
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PeakTech 4145 Specifications

General

Brand	PeakTech
Model	4145
Category	Measuring Instruments
Language	English