DY5500 multi-functional instrument can measureearth resistance, insulation resistance, AC voltage and phase sequence. It can be used to test the insulation resistance and earth resistance of power system, electrical equipment,lightning arrester equipment，and measure AC voltage and phase sequence test.

Specification

Insulation Resistance:
Testing Voltage: 250V / 500V / 1000V
Output Voltage: 90%-110% of the test voltage
Range: 0.1MΩ-20GΩ
Resolution: 0.01MΩ
Accuracy: 0.1MΩ-200MΩ±（3%rdg+5dgt）, 200MΩ-20GΩ±（5%rdg+10dgt）

Earth Resistance:
Range: 20Ω/200Ω/2000Ω
Accuracy: 20Ω ±(2%rdg+0.1Ω), 200Ω/ 2000Ω ±（2%rdg+3dgt）

AC Voltage ( Earth Voltage) Measurement:
Measurement range: 1-600VAC
Accuracy: +(2% rdg+ 5dgt)
Resolution: 1V
Test frequency: 40-400Hz

Phase Sequence Test:
Measurement range: 100V-450V
Accuracy: +(2% rdg+ 5dgt)
Frequency: 50-60Hz

MODEL : DY5500
Earth Resistance: 0~20/200/2000 ±(2%+5)
Testing Voltage: 250/500/1000V
Insulation Resistance : 0.1~2000M ±(3%+5)
Phase Rotation Check: yes
AC Voltage : 600V ±(2%+5)
Auto Range: yes
Function Symbol Display : yes
Data Hold : yes
Low Battery Warning : yes
Max. Displays : 1999
LCD Backlight : yes
Product Size: 190 * 155 * 75 mm
Power: AA1.5V x 8 (not include in the package)

Package Included
1 × User Manual
1 × Tool Case
1 × Phase Sequence Test Wire ( Green and Red )
1 × Insulation Resistance Test Wire ( Red Lead with Big Probe / Black Lead with Big Clip / Black Lead with Detached Little Clip )
1 × Earth Resistance Test Wire ( Red 15-meter Test Wire / Yellow 10-meter Test Wire / Green 5-meter Test Wire )
1 × Simple Earth Resistance Test Wire( Red 1.6-meter Test Wire /Green 1.6-meter Test Wire )
2 × Auxiliary Earth Spike
1 × Tool Bag