ETCR2800C Multifunctional Ground Resistance On-line Tester Non-Contact Resistance Measurement Meter

Specifications
Function：Return circuit ground resistance, metallic return connection resistance, grounding conditions on-line monitoring
Power Supply：6VDC~9VDC, 50mA Max.
Resistance Range:0.01Ω～200Ω
Resistance Resolution:0.001Ω
Display Range:0.00Ω~500Ω
Accuracy:±2%rdg±3dgt(20℃±5℃, below70%RH)
Working Temperature and Humidity：-20℃-55℃;20%RH-90%RH
LCD Screen：4digits LCD direct indication, Screen L×W: 47mm×28.5mm
Grounding Wire Perforation Size：60mm×30mm, closed mode (60mm×4mm steel flat or external diameter 30mm electric cable)
Connecting Line:A one meter long wire (5cores shielded wire)
Connection Identifier:Red/brown---power supply input anode; Black--- power supply input cathode. Blue---RS485 signal anode; Grey---RS485 signal cathode; White--- analog grounding (power supply input cathode can connects with analog grounding by short circuit connection)
Overflow Indication：When show value is beyond 500Ω, systems software and LCD show "OLΩ" sign.
Tester Weight：Detector: 960g
Detector Dimensions：175mm×170mm×130mm
Installing Screw Hole Size：8mm
Communication Protocol: RS485 standard MODBUS-RTU communication protocol
Shifting：Automatic shifting
External magnetic field：<40A/m
External electrical field：<1V/m
GND Interference Current: Prohibited Single measurement time：0.5 second
Humiture Error：Within 5%
Installation: Grounding wire through Detector centre bore
Installation Requirements: Avoid rain and water logging
Power Consumption：50mA Max.
Level Of Protection:IP65
Power Supply Mode:External power supply (Equipped by user)