China Digital Grounding Earth Resistance Tester GDCR3000, Find details about China Earth Resistance Tester, Resistance Tester from Digital Grounding Earth Resistance Tester GDCR3000
GDCR3000 Earth Resistance Tester is ideal equipment for measuring earth resistance. It adopts micro processing technology, 3 lines or 2 lines method of measurement, good anti-jamming, stable and reliable.
Functions | Earth resistance measurement, earth voltage measurement, Low resistance measurement |
Power supply | DC 9V (Zn-Mn dry battery R14S 1.5V 6 pieces,Continuous 300 hrs ) |
Methods of Measurement | Earth resistance :Rated current pole changing method; test current : 3mA Max, 820Hz; Earth voltage : Average rectifier |
Dispaly model | 4 digital LCD display,Blue-screen backlight |
Indicator light | LED indicator flash during test,LCD count down display |
LCD dimension | 124mm×67mm |
Dimension | 1. Instrument -- 215mm×190mm×95mm,1443g( included battery) 2. Test leads -- 1.6m*2pieces , 20m*1 piece , 10m*1 piece , 3. Ground rop-- φ10mm×150mm*2pieces , φ10mm×150mm ,468g 4. Carrying bag: 915g |
Earth Resistance | Test Range: 0.01Ω~20Ω( resolution--0.01Ω) ,0.1Ω~200Ω( resolution --0.1Ω),1Ω~2000Ω( resolution --1Ω) ; accuracy :±1%reading±3dgt |
Earth Voltage | AC 0~600V ; accuracy :±1%reading±3dgt |
Test time | Earth voltage:about 3 times/second ; earth resistance:about 5 second/time |
Measure times | Above 5000 times |
Line voltage | Earth voltage:measure below AC 600V |
RS232 connector | RS232 connector,Software monitoring,stored data can be uploaded to PC , storage and printed. |
Communication cable | RS232 ,1.5m * 1 piece |
Working condition | -10ºC~40ºC;below 80%rh |
Storage condition | -20ºC~60ºC;below 70%rh |
Over-load protection | Measurement of earth resistance:E-P,E-C ; AC 280V/ 3 secs |
Insulation resistance | Above 10MΩ(between circuit and the shell , 500V) |
Withstand voltage | AC 3700V/rms(between circuit and the shell) |
Electromagnetic property | IEC61010-4-3,electromagnetic field≤1V/m |
Standards | IEC61010-1 , IEC1010-2-31 , IEC61557-1,5, IEC60529(IP54) |