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Power Quality Analysis Series
POWER QUALITY ANALYZER
ES4000
Real-time waveform display (4 channels of voltage/current)
True RMS values of voltages and currents.
Peak current and voltage
The maximum/minimum value of current and voltage over a period of time
Pharos diagram display
Harmonic measurement of each phase, up to the 50th harmonic
Calculation of Total Harmonic Distortion (THD)
Active/reactive/apparent power value and total value of each phase
Transformer K factor calculation
Flicker calculation
Three-phase unbalance calculation (voltage and current)

ES4000 POWER QUALITY ANALYZER ES4000 POWER QUALITY ANALYZER
ES4000 POWER QUALITY ANALYZER ES4000 POWER QUALITY ANALYZER
ES4000 POWER QUALITY ANALYZER ES4000 POWER QUALITY ANALYZER
ES4000 POWER QUALITY ANALYZER ES4000 POWER QUALITY ANALYZER
I. Function
   
1. Test function
★ Waveform real-time display (4 channels voltage/4 channels current).
★ True RMS values of voltages and currents.
★ The DC components of voltages.
★ Peak current and voltage values.
★ Minimum and maximum half-cycle RMS current and voltage values.
★ Pharos diagram display.
★ Measurement of each harmonic up to order 50.
★ Bar charts show harmonic ratios of current and voltage of each phase.
★ Total harmonic distortion (THD).
★ Active, reactive, apparent power, by phase and cumulative.
★ Active, reactive, apparent energy, by phase and cumulative.
★ Transformer K factor.
★ Power factors (PF) and displacement factors (DPF or COSΦ).
★ Short-term voltage flicker (PST).
★ Three phase unbalance(current and voltage).
2. Transient capture function
Monitoring instantaneous change of power grid voltage current parameters, including the voltage current fluctuations, voltage current surge, sag and short supply interruption, temporary overvoltage, impact current and Current voltage instantaneous distortion. Instruments can store 150 sets of transient waveform at the same time.
3. Starting current monitoring
Monitoring surge current of line and the startup current when electrical equipment is starting, help to correctly design capacity. Can be display the RMS rising / falling curve In the startup process, the envelope curve of startup current, waveform of 4 channels current and 4 channels voltage. Recording about 100s after trigger, storage the current /voltage instantaneous and waveform curve of each cycle in 100s.
4. Trend chart recording and storing function
Store all the test parameters of basic test functions (Urms, Uthd, Ucf, Uunb, Hz, Vrms, Vthd, Vcf, Vunb, PST, Arms,  Athd, Acf, Aunb, KF,W, VAR, VA, PF, COSφ, TANφ),50 voltage harmonics, 50 current harmonics. And create the trend curve. Record data for a long time according to need(concurrent selection 20 parameters to record data for once every five seconds, you can record about 300 days.).
5. Alarm function
Set the limit values according to need, monitoring the values whether overshoot, if overshoot will generate an alarm log, such as: voltage, current, unbalance, harmonic ratio, frequency, active power, total harmonic distortion. You can configure 40 different alarms, each group can set different monitoring parameters (including 50 harmonics, total of 123 different parameters) and limit values, also can set the shortest time of overshoot. The log can contain up to 12,800 alarms.
6. Snapshot function
Any screen can be saved (screen snapshot), at the same time automatically records the time and test mode. Such as can save voltage and current waveform, harmonic bar chart, phasor diagram etc. It can save a maximum of 60 screen snapshot.
7. Communication function
Communicate with computer via USB; Monitoring software can display waveform of power quality analysis, read of the transient waveform, trend chart recording, alarm log, screenshots, and display on the computer.
8. Setting function
The user can configuration of the time and date, configuration of the screen contrast and brightness, definition of each phase curve colors’.
Choice of type of connection to the net work.
Configuration of the type of the current sensors and voltage ratios.
Select Chinese menu or English menu.
9. Help menu in Chinese/English
Every stage of operation can press the "help" key to obtain relevant information.

II.  Technical specification

1. Base condition and working condition

Influence factor Test item Base condition Working condition
Environment temperature All parameters (23±2)°C -10°C~ 40°C
Relative humidity All parameters 40%~ 60% <80%
Phase-to-neutral voltage All parameters (100±1%)V 1.0V~ 1000V
Phase-to-phase voltage True RMS phase-to-phase voltage (200±1%)V 1.0V~ 2000V
Current True RMS current (5±1%)A 10mA~ 6000A
Network frequency All parameters 50Hz±0.1Hz 40Hz~ 70Hz
Phase shift  Active power and active energy Cosφ=1 Cosφ: 0.2~ 1.0
Reactive power and reactive energy Sinφ=1 Sinφ: 0.2~ 1.0
Harmonic All parameters <0.1% 0.0%~ 100%
Voltage unbalance All parameters <10% 0.0%~ 100%
Working voltage of device All parameters DC9.8V±0.1V DC9.5V~ 10.5V
External electric field, 
magnetic field
All parameters Should be avoided
Test position Measured related parameters of current Tested wire at the center of clamp.

2. General specification

Power supply Rechargeable lithium-ion battery packs 9.6V, backup charger.
Battery indicator Battery symbol       shows dump energy. When the voltage is too low, automatic shutdown after the 1 minute.
Power consumption Current consumption of normal test 490 mA, continuous working for 10 hours.
Display mode LCD color screen, 640dots×480dots, 5.6 inches, display domain: 116mm×88mm.
Size of clamp FR008 small sharp current clamp: 8mm×15mm;
FR020 circle current clamp: 20mm×20mm;
FR050 circle current clamp: 50mm×50mm.
FR300R Flexible Coil Current Sensor (with Integrator) : Ф300mm
Instrument dimensions L×W×H: 277.2mm × 227.5mm × 153mm.
Number of channels 4U/4I.
Phase-to phase voltage 1.0V~2000V.
Phase-to-neutral voltage 1.0V~1000V.
Current FR008 current clamp: 10mA~10.0A;
FR020 current clamp: 0.10A~100A;
FR050 current clamp: 1.0A~1000A;
FR300R Flexible Coil Current Sensor (with Integrator) : 10A ~ 6000A
Frequency 40Hz~70Hz.
Parameters of electricity W, VA, Var, PF, DPF, cosφ, tanφ.
Energy parameters Wh, Varh, Vah.
Harmonic Order 0~50.
Total harmonic distortion Order 0~50, each phase.
Expert mode Yes.
Number of Transient records 150 sets.
Voltage flicker Yes.
Starting current mode Yes, 100 seconds.
3 phases unbalance Yes.
Record 300 days(simultaneous recording 20 parameters, record one point every 5 seconds).
Min/Max recorded value Measurement of maximum and minimum values over a period of time.
Alarm 40 different types of parameter selections, 12,800 sets alarm logs.
Peak Yes.
Phasor diagram display Automatically.
Capacity of snapshots 60.
Menu language English/Chinese.
Communication USB.
Automatic switching off When an alarm campaign is initiated or a search for transients, an inrush current capture, or a trend recording is pending or in progress, the device is not automatic switching off.
In other test mode, 15 minutes without keystrokes, automatic shutdown after prompt 1 minute.
Backlight function Yes, suitable for use at night and dark place.
Weight Host: 1.6kg (with battery).
FR008 small sharp current clamp: 168g×4;
FR020 circle current clamp: 252g×4;
FR050 circle current clamp: 463g×4;
FR300R Flexible Coil Current Sensor (with Integrator) : 280g×4;
Test wires and power adapter: 800g;
Total weight: about 10.8kg (with packaging).
Length of voltage test wire 3m.
Length of current sensor wire 2m.
Working temperature and humidity -10°C~40°C; below 80%Rh.
Storage temperature and humidity -10°C~60°C; below 70%Rh.
Input impedance Input impedance of test voltage: 1MΩ.
Withstand voltage Withstand 3700V/50Hz sinusoidal AC voltage for 1 minute between instrument wiring and shell.
Insulation Between instrument wiring and shell ≥10MΩ.
Structure Double insulation, with insulation vibration-proof sheath.
Safely rules IEC 61010 1000V Cat III / 600V CAT IV, IEC61010-031, IEC61326, Pollution degree: 2.


3. Instrument precision (excluding the current sensor)

Respectively introduce the following data (on the basic of base conditions and the ideal current sensors, perfectly linear, no phase shift).
Measurement Range Display resolution The maximum error in the range of the reference
Frequency 40Hz~ 70Hz 0.01Hz ±(0.03)Hz
True RMS phase-to-neutral voltage 1.0V~ 1000V Min resolution 0.1V ±(0.5%+5dgt)
True RMS phase-to phase voltage 1.0V~ 2000V Min resolution 0.1V ±(0.5%+5dgt)
DC voltage 1.0V~ 1000V Min resolution 0.1V ±(1.0%+5dgt)
True RMS current 10mA~ 6000A Min resolution 1mA ±(0.5%+5dgt)
Peak of phase-to-neutral voltage 1.0V~ 1414V Min resolution 0.1V ±(1.0%+5dgt)
Peak of phase-to-phase voltage 1.0V~ 2828V Min resolution 0.1V ±(1.0%+5dgt)
Current peak 10mA~ 8484A Min resolution 1mA ±(1.0%+5dgt)
Peak factor 1.00~ 3.99 0.01 ±(1%+2dgt)
4.00~ 9.99 0.01 ±(5%+2dgt)
Active power 0.000W~ 9999.9kW Min resolution 0.001W ±(1%+3dgt)
Cosφ≥0.8
±(1.5%+10dgt)
0.2≤Cosφ<0.8
Reactive power, inductive or capacitive 0.000VAR~
9999.9kVAR
Min resolution 0.001VAR ±(1%+3dgt)
Sinφ≥0.5
±(1.5%+10dgt)
0.2≤Sinφ<0.5
Apparent power 0.000VA~
9999.9kVA
Min resolution 0.001VA ±(1%+3dgt)
Power factor -1.000~ 1.000 0.001 ±(1.5%+3dgt)
Cosφ≥0.5
±(1.5%+10dgt)
0.2≤Cosφ<0.5
Active energy 0.000Wh~ 9999.9MWh Min resolution 0.001Wh ±(1%+3dgt)
Cosφ≥0.8
±(1.5%+10dgt)
0.2≤Cosφ<0.8
Reactive energy, inductive or capacitive 0.000VARh~
9999.9MVARh
Min resolution 0.001VARh ±(1%+3dgt)
Sinφ≥0.5
±(1.5%+10dgt)
0.2≤Sinφ<0.5
Papparent energy 0.000VAh~
9999.9MVAh
Min resolution 0.001VAh ±(1%+3dgt)
Phase angle -179°~ 180° ±(2°)
Tanφ
(VA≥50VA)
-32.76~ 32.76 Min resolution 0.001 φ:±(1°)
Phase shift of power factor
(DPF)
-1.000~ 1.000 0.001 φ:±(1°)
Harmonic ratio
(order 1 to 50) (Vrms>50V)
0.0%~ 99.9% 0.1% ±(1%+5dgt)
Harmonic angle
(Vrms>50V)
-179°~ 180° ±(3°) harmonics of order 1 to 25
±(10°) harmonics of order 26 to 50
Total harmonic ratio
(THD or THD-F)≤50
0.0%~ 99.9% 0.1% ±(1%+5dgt)
Distortion factor
(DF or THD-R)≤50
0.0%~ 99.9% 0.1% ±(1%+10dgt)
Transformer K factor 1.00~ 99.99 0.01 ±(5%)
3 phases unbalance 0.0%~ 100% 0.1% ±(1%)

4. Current sensor character

Type of current sensor True RMS current Max error of true RMS current Max error of phase angleφ
  FR008 current clamp 10mA~ 99mA ±(1%+3dgt) ±(1.5°),Arms≥20mA
100mA~ 10.0A ±(1%+3dgt) ±(1°)
FR020 current clamp 0.10A~ 0.99A ±(1%+3dgt) ±(1.5°)
1.00A~ 100A ±(1%+3dgt) ±(1°)
FR050 current clamp 1.0A~ 9.9A ±(2%+3dgt) ±(3°)
10.0A~ 1000A ±(2%+3dgt) ±(2°)
FR300R Flexible Coil Current Sensor (with Integrator) 10A199A ±(1 % + 3dgt) ±(3°)
200A~6000A ±(1 % + 3dgt) ±(2°)


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