Ground Resistance Tester with Online Monitoring Earth Ground Resistance Measurement Online Ground Tester

Specification: Function:On-line monitoring ground resistance, ground voltage, equipotential connection resistance, low resistance. Power Supply:Standard: 12V±1VDC, 150mA Max. Optional: 24V±1VDC. Measure Mode:Precise 3-wire measurement, simple 2-wire measurement. Measure Method:Ground resistance: rated current change-pole method, measured current 3mA Max, 820Hz; Voltage to ground: average value rectification method. Data Mode:Mean. Display Mode:4-digital super-large LCD. Measuring Indicator:During measurement, LCD count down display. LCD Size:128mm×75mm; Display field: 124mm×67mm. Dimension:L×W×H: 190mm×117mm×54mm. Measure Rate:Voltage to ground: about 2 times/second; ground resistance: about 30 seconds/time. Measure Times:Over 5000 times(Measuring 10Ω for one time and take a pause for 30s). Line Voltage:Measuring voltage to ground: measuring below AC 600V. Instrument Interface:Pluggable terminal blocks: 9 pin connector. Communication Method:RS485 (or optional RS232). Communication Line:USB to RS485 communication line( or optionalUSB to RS232 communication line). Range Shift:Automatically. Data Storage:400 sets, flash display FULL icon to indicate storage is full. Interval Time:Range of automatic monitoring interval time: 1-999 h. Data Access:Data read function: READ icon display. Overflow Display:Exceeding measuring range overflow function: OL icon display. Power Consumption:Backlit : 20mA Max. Standby: 25mA Max. Measurement: 70mA Max. Alarm:Audible and visible alarm. Power supply Voltage:When power supply voltage decreases to about 7.8V, will display, reminding to replace the power. Weight:Detector: 450g. Working Humiture:-10℃~40℃; below 80%rh. Storage Humiture:- -20℃~60℃; below 70%rh.

• ◆ Resistance Range : 0.01Ω~20Ω Accuracy: ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) Resolution :0.01Ω
• ◆ Resistance:0.1Ω~200Ω Accuracy: ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) Resolution :0.1Ω
• ◆ Resistance:1Ω~2000Ω Accuracy: ±1%rdg±3dgt (auxiliary ground resistance 100Ω±5%, voltage to ground<10V) Resolution:1Ω
• ◆ Voltage : 0~600V AC Accuracy: ±1%rdg±3dgt Resolution: 1V
• ◆ Power Consumption:Backlit : 20mA Max. Standby: 25mA Max. Measurement: 70mA Max.