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Description:
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 | -10℃~40℃;below 80%rh |
| Storage condition | -20℃~60℃;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) |
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