Product features:

● CPU intelligent control, integrated design

● LPA (linear) technology, pure output waveform, green and environmental protection, accurate and reliable test data, safe and stable operation

● 2% test accuracy, taking the lead in achieving stable voltage rise and current rise of 0.2 seconds

● Contactless boost current, 50/60HZ dual frequency output, meeting the test requirements of domestic/export products

● Large screen, wide viewing angle LCD (Chinese or English), which can display various test parameters and data

● Internal isolation transformer of cabinet type unit (standard configuration: 2KW)

● Remote control switch can be configured externally for remote control operation

● Intelligent analysis and memory, system self check and automatic protection functions, audible and visual alarm prompt

● Six joint tests of withstand voltage, insulation, grounding, leakage, power and startup (can be combined at will)

  Specifications:
8840I (four in one)
Withstand voltage test, insulation test, grounding resistance and leakage current
8840W (four in one)
Withstand voltage test, grounding resistance, leakage current and power test
8860 (six in one)
Withstand voltage test, insulation test, grounding resistance, leakage current, power test, startup test
Voltage withstand test
output voltage
AC 300-5000V
Output voltage error
± (2% Setting+3 Counts)
Measuring range of breakdown current
0.20-10.00mA
Current measurement accuracy
± (2% Setting+ Counts)
Time setting range
1-300S
Insulation test
output voltage
DC   200-1000V continuous adjustable
Output voltage error
± (2% Setting+3 words)
Measuring range of insulation resistance
1.0-9.9-1000MΩ
Measurement accuracy of insulation resistance
1MΩ- 100MΩ：& plusmn; (5% Setting+5 Counts)
101MΩ- 1000MΩ：& plusmn; (10% Setting+10 words)
Time setting range
1-300S
Grounding resistance
Output current and frequency
AC: 5-30A continuous adjustable 50/60Hz dual frequency output
Output current error
± (2% set value)
Measuring range of grounding resistance
10-25A，2-200mΩ
10A，5-600mΩ
Measurement accuracy of grounding resistance
± (2% read value+3  Counts)
Time setting range
1-300S
leakage current
Rated load power range
2kW (4KW/6KW) optional
output voltage
1.06 Input voltage (output by isolation transformer)
Leakage current measurement range
0.05-20.00mA
Leakage current measurement accuracy
± (2% Setting+3 Counts)
Time setting range
2-300S
Power test
output voltage
1.00 times of input voltage (output by isolation transformer)
Voltage measuring range
AC 5V-300V
Voltage measurement accuracy
± (1.0% Setting+1.0% range value)
Current measurement range
0.10A-20.00A
Current measurement accuracy
± (1.0% Setting+1.0% range value)
Power measurement range
0 - 2000W (or 4000W, 6000W)
Power measurement accuracy
± (1.0% Setting+1.0% range value)
Time setting range
1-300S
Start Test
output voltage
0.85 times of input voltage (output by isolation transformer)
Voltage measuring range
AC 5V-300V
Voltage measurement accuracy
± (1.0% Setting+1.0% range value)
Current measurement range
0.10A-20.00A
Current measurement range
± (1.0% Setting+1.0% range value)
Time setting range
1-300S
Size/weight
432× 147× 500mm (W * H * D)/25KG