Online Earth Resistance Detector  0.01Ω~2000Ω

Function: 

-On-line Monitoring Of Earth Resistance, Earth Voltage
-Earth Resistance Measurement Range: 0.01Ω~2000Ω
-Earth Voltage Measurement Range: AC 0V~600V
-Communication Mode: RS485 communication
-Alarm Function: Setting alarm threshold
-Setting Monitoring Interval

       Earth Resistance On-line Detector, also known as earth resistance remote on-line tester, contact type earth resistance on-line detector, which is used for remote monitoring the earth resistance and earth voltage on-line. The detector adopt with simple two-wire method or precision three-wire method to test earth resistance, and the average value rectifier method is used to test the earth voltage and monitor it on-line in real time. The detector with RS485 communication. Users can secondary development and set up  network to realize remote multi-point online monitoring according to the provided MODBUS communication protocol. It is suitable for power facility grounding, highway equipment grounding, meteorological lightning protection grounding, communication base station grounding, railway facility grounding, construction warehouse grounding and electrical equipment grounding, etc.

Specification: 

Measurement Function Measuring Range Accuracy Resolution
Earth Resistance 0.01Ω~20Ω ±2%rdg±3dgt
(Auxiliary earth resistance 100Ω±5%, earth voltage <10V)
0.01Ω
0.1Ω~200Ω 0.1Ω
1Ω~2000Ω
Earth Voltage 0~600V AC ±2%rdg±3dgt 1V


2. Technical Specification

Power Supply Standard: 12V DC (± 1V DC), 400mA Max (External power supply)
Data Display 4-digit LCD display
LCD Size 128mm×75mm;Display area:124mm×67mm
Measurement Mode Precision three-wire measurement, simple two-wire measurement
Measure Earth resistance: rated current pole-change method, measuring current 11mA Max, 128Hz; Earth voltage: average rectification
Earth Resistance Measurement Range 0.01Ω~2000Ω
Earth Voltage Measurement Range AC 0V~600V
Data Mode Average value
Measurement Indication LCD countdown indication during measurement
Measurement Time Earth voltage: about 2 times/second; earth resistance: about 30 seconds/time
Measurement Times More than 10,000 times
Cable Voltage Measurement of earth voltage: measurement below AC 600V
Detector Interface Plug-in connection terminal : 9-pin terminal
Communication Mode RS485 communication
Gear Shift Automatic shift
Memory 99 groups, with a small number flashing and displaying the "99" symbol on screen to indicate that the storage is full
Interval Time Automatic monitoring interval setting range: 1~999 hours
Data Access Data access function: “MEM" symbol display
Overflow Display Over-range overflow function: “OL” symbol display
Power Consumption Standby: 25mA Max, measurement: 400mA Max
Alarm Prompt Sound and light alarm
Alarm Setting Detector panel button setting or Background software(developed) setting
Alarm Threshold Setting Range Resistance:0Ω~2000Ω
Low Power Voltage Indication When the power voltage is lower than 11V, the low power voltage symbol is displayed , remind to replace the power
Detector Size 190mm×117mm×54mm
Weight About 450g
Overload Protection During testing the earth resistance: AC 280V/3 seconds between the ports of E-P and E-C
Insulation Resistance Over 10MΩ(500V between the circuit and the housing)
Withstand Voltage AC 3700V/rms(Between the circuit and the housing)
Electromagnetic Characteristic IEC61000-4-3, Wireless frequency electromagnetic field≤1V/m
Suitable Safety Standard IEC61010-1, IEC1010-2-31, IEC61557-1,5, IEC60529(IP54), Pollution level 2, CAT Ⅲ 300V
Working Temperature & Humidity -10℃~40℃;Below 80%RH
Storage Temperature & Humidity -20℃~60℃;Below 70%RH
General
Characteristic On-line Monitoring Of Earth Resistance, Earth Voltage
English Instruction Available
Range Earth Resistance Measurement Range: 0.01Ω~2000Ω
Original Shenzhen

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Online Earth Resistance Detector 0.01Ω~2000Ω

  • Brand: ROKTOOLS
  • Product Code: EGRT-10304
  • Availability: In Stock
  • $188.00


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