Kyoritsu KEW 5020 TRMS 3-Channel Current
The Kyoritsu 5020 TRMS Current/Voltage Data Logger has three input channels for the simultaneous recording of load current and voltage.
Various measurements are available with four recording modes: Normal, Trigger, Capture and Power Quality Analysis.
The Kyoritsu 5020 data logger is capable of storing up to 60,000 measurements and features non-volatile memory that allows recorded data to be retained even if power is lost.
Features Kyoritsu KEW 5020 TRMS 3-Channel Current / Voltage Data Logger :
3 channel inputs for the simultaneous recording of Leakage Current , Load Current and Voltage
• Power Quality analysis
• Large capacity for storing 60,000 data points
• Lowpass Filter will filter out the harmonics
• LED flickers when the preset current/voltage value is exceeded
• CALL: Confirmation of recorded data
• Selection of One-time mode or Endless mode
• Non Volatile Memory
• Battery power indicator
• The userfriendly PC software “KEW LOG Soft 2” is supplied
• Continuous measuring time: Approx. 10 days (Alkaline Battery)
Application Notes and Useful Tips
Insulation Level Monitoring by checking the leakage current |
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Monitoring the load current |
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Monitoring voltage fluctuation (Power quality analysis) |
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Monitoring overall electrical power of production line at factories or each floor at buildings |
4 recording modes make various measurements possible |
Normal recording mode |
For monitoring power line status or an intermittent leakage.
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Trigger recording mode |
For observing an irregular operation of an ELCB/RCD, an irregular current / voltage.
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Capture recording mode |
For observing waveforms easily.
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Power Quality Analysis mode |
For monitoring and observing voltage fluctuations.
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Large capacity for storing 60,000 data points |
60,000 data points can be recorded when 1ch is used, and when all the three channels are used, 20,000 data points per channel can be recorded.
MAX.number of recorded data
Using all 3 channels | Using 2 channels | Using only 1 channel |
20,000 data | 30,000 data | 60,000 data |
Specification Kyoritsu KEW 5020 TRMS 3-Channel Current / Voltage Data Logger :
KEW LOG Soft2
【System requirements】
OS | Windows® 8/10 |
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Display | XGA (1024×768 dots) or more |
Hard-disk | Space required 100Mbyte or more |
Others | With CD-ROM drive and USB port |
Normal Recording Mode (AC 50/60Hz, Sine wave, Input: 10% or more of the range at CH1)
Range | RMS Accuracy |
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100.0mA | ±2.0%rdg±0.9%f.s.+ Accuracy of Sensor |
Other ranges | ±1.5%rdg±0.7%f.s.+ Accuracy of Sensor |
Crest Factor | 2.5 or less: RMS accuracy (sine) + 2%rdg + 1%f.s. |
*Max, Min and Instant Peak values in Normal Recording mode are just reference values:
their accuracies aren’t guaranteed.
Trigger Recording Mode (AC 50/60Hz sine wave)
Range | Accuracy |
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100.0mA | ±3.5%rdg±2.2%f.s.+ Accuracy of Sensor |
Other ranges | ±3.0%rdg±2.0%f.s.+ Accuracy of Sensor |
Capture Recording Mode
Range | Accuracy |
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100.0mA | ±3.0%rdg±1.7%f.s.+ Accuracy of Sensor |
Other ranges | ±2.5%rdg±1.5%f.s.+ Accuracy of Sensor |
Recording mode | Normal, Trigger, Capture, Power Quality Analysis |
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Operating system | Successive Approximation (CH1 single synchronized sampling) |
Rated max. working voltage | AC 9.9Vrms, 14V peak value |
Number of input channel | 3ch |
Measuring method | True RMS |
RMS measuring interval | approx. 100ms |
Sampling interval | Normal/Trigger mode : approx. 1.65ms/CH Capture mode : approx. 0.55ms (waveform: at every 1.1ms) P.Q.A mode : approx. 0.55ms |
Current range | 8146 (30A type) : 100.0/1000mA/10.00/30.0A 8147 (70A type) : 100.0/1000mA/10.00/70.0A 8148 (100A type) : 100.0/1000mA/10.00/100.0A 8121 (100A type) : 10.00/100.0A 8122 (500A type) : 50.00/500.0A 8123 (1000A type) : 100.0/1000A 8128/8135 (5A type) : 5.000A/(50.00A) 8127 (100A type) : 10.00A/100.0A 8126 (200A type) : 20.00A/200.0A 8125 (500A type) : 50.00A/500.0A 8124 (1000A type) : 100.0A/1000A 8130 (1000A type) : 100.0/1000A |
Voltage range | 8309 (600V type) : 600.0V |
Low battery warning | Battery mark display (in 4 levels) |
Over-range indication | “OL” mark is displayed when exceeding the measuring range |
Auto power off | Power-off function operates automatically after a switch remains for 3min. (when recording is stopped) |
Possible measurement time | Approx. 10 days (with alkaline LR6 batteries) |
Applicable standards | IEC 61010-1:2001 CAT III 300V Pollution degree2 IEC 61326 (EMC standard) |
Dimensions | 111(L)×60(W)×42(D)mm |
Weight | Approx. 265g |
Included Accessories | 7148 (USB cable), 9118 (Carrying case), Alkaline battery LR6×4pcs, PC software “KEW LOG Soft 2”, Instruction manual, Quick manual, Install manual, USB Notice sheet |
Optional Accessories | 8146/8147/8148 (Leakage & Load current Clamp Sensor), 8121/8122/8123 (Load current Clamp Sensor), 8124/8125(*1)/8126(*2)/8127(*3)/8128 (Load current Clamp Sensor), 8130(*4)/8135 (Flexible Clamp Sensor), 8309 (Voltage sensor) 7185 (Extension cable for sensor), 8320 (AC Adapter), 9135 (Carrying bag), |
1-4 Can use with after the following serial numbers.
*1:8125 No.02637-
*2:8126 No.00151-
*3:8127 No.00181-
*4:5020 No.8031560-
Kyoritsu KEW 5020 Datasheet
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