ETCR2900 Digital 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.

• ETCR2900 Online Earth Resistance Tester composed of the detector and the monitoring software.
• ETCR2900 Online Earth Resistance Tester apply to transmission line tower grounding, underground mine equipment grounding, meteorological lightning proof grounding, petrochemical grounding, communication grounding, distribution substation grounding, railway equipment grounding, building warehouse grounding, electrical equipment grounding etc.
• ETCR2900 Online Earth Resistance Tester is our company devotes ourselves to Grounding resistance test technical research’s another new high-tech product for more than ten years.
• 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 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.