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Non-Contact Resistance Online Tester

  • Model: EGRT-1428
  • Shipping Weight: 5.1kg
  • 23 Units in Stock
  • Manufactured by: ROKTOOLS
  • Shipping Date: 03/28 2019

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Non-Contact Resistance Online Tester
Temperature resistance, cold-resistant, corrosion prevention, fire prevention
Rigorous and firm, against rain, dustproof, installation and can be used outdoors
Non-contact measurement, safe and reliable, Ease of installation
Grounding down lead is directly through the detector perforation, Will not affect lightning protection grounding effect and the normal operation of the facilities. Ensure high-accuracy, high stability and high reliability of long time on-line monitoring outdoors, underground mine and indoors.
Detector provides power supply and RS485 signal interface, and standard MODBUS-RTU communication protocol
    It applies to electric transmission line pole ground connection, underground mine device ground connection
Meteorological lightning protection ground connection,petrochemical engineering ground connection, communication ground connection,rail facility ground connection,building the warehouse ground connection, electrical equipment ground connection
Return circuit ground resistance, metallic return connection resistance, grounding conditions on-line monitoring
Power Supply
6VDC~9VDC, 50mA Max.
Resistance Range
plusmn;2%rdg±3dgt(20℃±5℃, below70%RH)
Grounding Wire Perforation Size
60mm×30mm, closed mode (60mm×4mm steel flat or external diameterФ30mm 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).
Communication Protocol
RS485 standard MODBUS-RTU communication protocol
Detector Dimensions
Installing Screw Hole Size
Working Temperature And Humidity
-10℃~40℃; 20%RH~90%RH
Humiture Error
Within 5%
Automatic shift
GND Interference Current
External Magnetic Field
External Electric Field
Single Measurement Of Time
About 0.5 second
Power Consumption
50mA Max.
Grounding wire through Detector centre bore
Level Of Protection
Installation Requirements
Avoid rain and water logging
Power Supply Mode
External power supply (Equipped by user)

This product was added to our catalog on Wednesday 30 March, 2016.

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