20
Features
1.3 Features
Long-term event waveform
recording
Waveforms for up to 11.2 s when event occurs (1 s before event, 0.2 s on
event, 10 s after event) can be saved for power abnormality analysis.
DC (Direct Current)
measurements
DC voltages can be measured. AC/DC Auto Zero Sensor allows DC current
measurements.
Easy and secure
The Quick Set allows easy operations by following the steps for secure
measurements.
Continuous calculation without a gap also allows simultaneous measurements
of all the parameters required for the power quality measurements to securely
identify the phenomenon.
Wiring check
Checks the wiring state. If the instrument has been connected improperly, tips
for correct connections will be displayed by the help function.
Easy analysis and reporting
of data
The supplied software PQ One allows easy analysis and reporting of the data.
Safety
Compatible with CAT III 1000 V and CAT IV 600 V
High accuracy
Voltage measurement accuracy of ±0.2% rdg.
Complies with the IEC61000-4-30 Class S international power quality standard
4 voltage channels
4 current channels
Measurements for voltage between neutral line and ground, and neutral line
current are available for 3-phase 4-wire wiring.
Transient measurements
Transient measurements for 5 kHz to 40 kHz, up to 2200 V
3-channel simultaneous
∆V10 icker measurement
(Available after the rmware update)
3-channel simultaneous ∆V10 icker measurement is available.
Simultaneous measurement
of line voltage and phase
voltage for 3-phase
For 3-phase 3-wire 3-watt meter measurement (3P3W3M) and 3-phase 4-wire
measurement (3P4W), both line voltage and phase voltage are measured and
output.
Line voltage or phase voltage, whichever is selected, is displayed.
Extensive lineup of current
sensors
You can choose the best current sensors for your measurement application
ranging from leakage currents to a maximum rating of 6,000 A.
The instrument can feed the power to both Flexible Current Sensor and AC/
DC Auto-Zero Sensor enabling you to make long-term measurements without
worrying about the power supply.
Ability to operate for about
8 hours on battery power
Even when AC power is not available, the supplied battery pack can be used
for about 8 hours of measurement.
Broad operating
temperature range
Operating temperature range is from −20°C to 50°C.
However, the operating temperature range is from 0°C to 50°C when Battery
Pack is used.
Saving to SD memory cards
Data can be continuously recorded to an optional 2 GB or an 8 GB memory
card for up to one year.
TFT color LCD
The instrument uses an LCD that is easy to see in both dim and bright
conditions.
Communications
functionality
The instrument includes standard USB and Ethernet interfaces to connect a
computer for the following operations.
• To congure the instrument using a computer.
• To download data from the instrument to the computer.
• To operate the instrument remotely.
See “12 Communications (USB/LAN/RS-232C)” (p. 137).
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