1.On - line monitoring the earth resistance of grounding system
2. Measure Range: 0.010Ω~100Ω4. Rain and dust proof, can be installed and used in outdoor
5. 47mmX28.5mm LCD
6. Network system can be built to realize real-time detection and remote monitoring7. EX-Mark: ExiaⅡBT3Ga
8. Explosion Proof Certification: CE18.2332X
ETCR2800KC Split-core Ground Resistnace Detector,specialize for online monitoring grounding down lead connection status, circuit grounding resistance and metal circuit connection resistance,range :0.010Ω~100Ω. On-line testing, non-contact measurement, grounding wire pass through the perforation of the detector, definitely not influence grounding for lightening effect and normal operation, real time on-line testing. Detector built-in sensor and circuit board, completely sealed, ensure high-accuracy, high stability and high reliability of long time on-line monitoring at field and indoors.
ETCR2800KC Non-contact Earth Resistance Online Detector, can display the measured data directly through the LCD; the detector could set alarm threshold, with sound and light alarm indication, suitable for independent installation and use no need to set up the network.Use by RS485 wire communication or GPRS wireless communication data transmission, realize remote online monitoring
Function | Return circuit grounding resistance on-line monitoring, metal return circuit resistance connection online monitoring, grounding condition monitoring. |
CT structure | Closed loop |
Power Supply | Detector:6VDC~12VDC,50mA Max(GPRS 12VDC 150mA Max). (Ui:6V;Ii:50mA;Ci:0μF;Li:0mH;Pi:0.1W)(User supply),Instrument and safety barrier matching relation:Uo≤Ui,Io≤Ii,Po≤Pi,Co≥Ci,Lo≥Li |
Resistance Range | 0.01Ω~100Ω |
Resolution | 0.001Ω |
Accuracy | ±2%rdg±3dgt(20℃±5℃,below 70%RH) |
CT Size | 56mm X 26mm |
Overflow Indication | test data>100Ω, system software or LCD display “OLΩ” symbol; |
Connection line | 1pcs ,1 meter cord(5 core wire) |
Connection Identifier | Red/brown---power supply input anode; |
Black--- power supply input cathode; | |
Blue---RS485 signal anode; | |
Grey---RS485 signal cathode; | |
White--- grounding wire shield | |
(power supply input cathode can connects with analog grounding by short circuit connection) | |
Communication Method | Wired network: RS485 communication protocol(support MODBUS) |
Wireless network: RS485 or GPRS communication protocol(support MODBUS) | |
Network Points | Wired network: 1 ~ 250 grounding points, scalable |
Wireless network: 60000 grounding points, can be expanded | |
Communication distance | Wired network: about 1500m,scalable |
Wireless network: not limited | |
Alarm Indication | the detector sound-light alarm and LCD display |
Alarm Setting | System Software Settings |
Data Display | LCD display |
LCD Size | 47mm x 28.5mm |
Dimensions | Detector: 124mm × 118mm × 76mm |
Weight | Detector: 1KG |
Working Temperature And Humidity | -20℃~55℃;20%RH~90%RH |
Humidors Error | Within 5% |
S hift | Automatic shift |
Grounding Lead Interference Current | Should be avoid |
External Magnetic Field | <40A/m |
External Electric Field | <1V/m |
Single Measurement time | About 0.5 second |
Working current | Detector: 50mA Max.(GPRS: 12VDC 150mA Max) |
Explosion-proof mark | Ex ia ⅡB T3 Ga |
Explosion-proof Certification | CE18.2332X. |
Protection Level | IP54 |
Power Supply Mode | External power supply (Equipped by user) |
Model | CT Structure | Range | Difference |
ETCR2800B | Close loop | 0.010Ω~200Ω | NO LCD and Indicator light, need to build Internet |
ETCR2800C |
Close loop |
0.010Ω~200Ω | With LCD, Alarm Setting,Sound and light alarm indication |
ETCR2800KB | Split-core | 0.010Ω~100Ω | No need to disconnect the grounding wire in installing,detector with sound and light alarm indication |
ETCR2800KC | Split-core | 0.010Ω~100Ω | No need to disconnect the grounding wire in installing, detector with LCD, Alarm Setting, sound and light alarm indication |
ETCR2800N |
Close loop and built-in type |
0.010Ω~200Ω | No shell, suitable for secondary development |
ETCR2900 | None | 0.01Ω~2000Ω | Need ground auxiliary pile,communicate with the computer directly, dector with LCD, alarm setting,sound and light alarm indication |
Package | Outer package | Carton |
Inner package | None | |
Accessory | Meter | 1 pcs |
Power and Communication Cable | 1 pcs | |
Manual | 1 pcs | |
Certificate | 1 pcs | |
Warranty Card | 1 pcs |
ETCR2800KC Split-core Ground Resistnace Detector,specialize for online monitoring grounding down lead connection status, circuit grounding resistance and metal circuit connection resistance,range :0.010Ω~100Ω. On-line testing, non-contact measurement, grounding wire pass through the perforation of the detector, definitely not influence grounding for lightening effect and normal operation, real time on-line testing. Detector built-in sensor and circuit board, completely sealed, ensure high-accuracy, high stability and high reliability of long time on-line monitoring at field and indoors.
ETCR2800KC Non-contact Earth Resistance Online Detector, can display the measured data directly through the LCD; the detector could set alarm threshold, with sound and light alarm indication, suitable for independent installation and use no need to set up the network.Use by RS485 wire communication or GPRS wireless communication data transmission, realize remote online monitoring
Function | Return circuit grounding resistance on-line monitoring, metal return circuit resistance connection online monitoring, grounding condition monitoring. |
CT structure | Closed loop |
Power Supply | Detector:6VDC~12VDC,50mA Max(GPRS 12VDC 150mA Max). (Ui:6V;Ii:50mA;Ci:0μF;Li:0mH;Pi:0.1W)(User supply),Instrument and safety barrier matching relation:Uo≤Ui,Io≤Ii,Po≤Pi,Co≥Ci,Lo≥Li |
Resistance Range | 0.01Ω~100Ω |
Resolution | 0.001Ω |
Accuracy | ±2%rdg±3dgt(20℃±5℃,below 70%RH) |
CT Size | 56mm X 26mm |
Overflow Indication | test data>100Ω, system software or LCD display “OLΩ” symbol; |
Connection line | 1pcs ,1 meter cord(5 core wire) |
Connection Identifier | Red/brown---power supply input anode; |
Black--- power supply input cathode; | |
Blue---RS485 signal anode; | |
Grey---RS485 signal cathode; | |
White--- grounding wire shield | |
(power supply input cathode can connects with analog grounding by short circuit connection) | |
Communication Method | Wired network: RS485 communication protocol(support MODBUS) |
Wireless network: RS485 or GPRS communication protocol(support MODBUS) | |
Network Points | Wired network: 1 ~ 250 grounding points, scalable |
Wireless network: 60000 grounding points, can be expanded | |
Communication distance | Wired network: about 1500m,scalable |
Wireless network: not limited | |
Alarm Indication | the detector sound-light alarm and LCD display |
Alarm Setting | System Software Settings |
Data Display | LCD display |
LCD Size | 47mm x 28.5mm |
Dimensions | Detector: 124mm × 118mm × 76mm |
Weight | Detector: 1KG |
Working Temperature And Humidity | -20℃~55℃;20%RH~90%RH |
Humidors Error | Within 5% |
S hift | Automatic shift |
Grounding Lead Interference Current | Should be avoid |
External Magnetic Field | <40A/m |
External Electric Field | <1V/m |
Single Measurement time | About 0.5 second |
Working current | Detector: 50mA Max.(GPRS: 12VDC 150mA Max) |
Explosion-proof mark | Ex ia ⅡB T3 Ga |
Explosion-proof Certification | CE18.2332X. |
Protection Level | IP54 |
Power Supply Mode | External power supply (Equipped by user) |
Model | CT Structure | Range | Difference |
ETCR2800B | Close loop | 0.010Ω~200Ω | NO LCD and Indicator light, need to build Internet |
ETCR2800C |
Close loop |
0.010Ω~200Ω | With LCD, Alarm Setting,Sound and light alarm indication |
ETCR2800KB | Split-core | 0.010Ω~100Ω | No need to disconnect the grounding wire in installing,detector with sound and light alarm indication |
ETCR2800KC | Split-core | 0.010Ω~100Ω | No need to disconnect the grounding wire in installing, detector with LCD, Alarm Setting, sound and light alarm indication |
ETCR2800N |
Close loop and built-in type |
0.010Ω~200Ω | No shell, suitable for secondary development |
ETCR2900 | None | 0.01Ω~2000Ω | Need ground auxiliary pile,communicate with the computer directly, dector with LCD, alarm setting,sound and light alarm indication |
Package | Outer package | Carton |
Inner package | None | |
Accessory | Meter | 1 pcs |
Power and Communication Cable | 1 pcs | |
Manual | 1 pcs | |
Certificate | 1 pcs | |
Warranty Card | 1 pcs |