DUOYI DY4300 Insulation Resistance Tester Meter Digital Megger Soil Earth Ground Resistance Voltage Tester Megohmmeter Voltmeter
·LCD display· Backlight function to view the test results in dimly areas· Rk Function is available to cancel the residual resistance on the Test Leads
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DUOYI DY4300
Test range and tolerance
| Function | Range | Resolution | Testing Range | Accuracy |
| Earth resistance Re (Earth resistance )ρ=Rg | 2 Ω | 0.01 Ω | 0.05~2.09 Ω | ±(3%rdg.+5dgt)(Remarks 1) |
| 20 Ω | 0.1Ω | 0.5~20.9 Ω | ||
| 200 Ω | 1Ω | 5~209 Ω | ||
| 2000 Ω | 10Ω | 0.05~2.09Ω KΩ | ||
| 20K Ω | 100Ω | 0.5~20.9KΩ | ||
| Auxiliary earth resistance Rh,Rs | / | / | / | (Re+Rh+Rs)8% |
| Soil resistivity ρ (Remarks 3 ) | 2 Ω | 0.3~393.7Ω.m | ρ=2*π*a*Rg (Remarks 2) | |
| 20 Ω | 3~3937Ω.m | |||
| 200 Ω | 0.03~39.37Ω.m | |||
| 2000 Ω | 0.3~393.7Ω.m | |||
| 20K Ω | 3~1999Ω.m | |||
(Remarks 1) revised Auxiliary Earth Resistance 100ΩRk.
(Remarks 2) Depending on the test value of Rg. Between the auxiliary ground rods[a]1.0~ 30.0m
(Remarks 3)Not available for voltage testing of commercial power.
Test range (temperature and humidity 23±5℃ 45～75％RH)
FEATURES
· Stable measurement results can be obtained under a noisy environment by introducing the FFT (Fast Fourier Transform) technology.
·LCD display
· Backlight function to view the test results in dimly areas
· Rk Function is available to cancel the residual resistance on the Test Leads.
· Battery Check Function
· Auxiliary Earth Resistance Measurement Function
Auxiliary earth resistances are measured and displayed.
· Warning for Auxiliary Earth Resistance Measurements
Warnings are displayed on the LCD when auxiliary earth resistances are too high and may result in inaccurate measurements.
· Auto-Power-Off Function
The instrument is automatically powered off when 5 min passes without any Key operation.
· Data storage
Save 1000 test data
SPECIFICATIONS
IEC 61010-1 (CAT.III 300V, CAT.IV 150V, Pollution degree 2)
IEC 61010-031(Requirements for hand-held Probes)
IEC 61557-1, 5 (Earth Resistance Tester)
IEC 61326-1 EMC Standard
Test range (temperature and humidity23±5℃45～75％RH)
Accessories
4* Auxiliary Earth Spikes
4 * Earth Test Leads
(one Red Earth Test Leads 15 meters,
one Yellow Earth Test Leads 10 meters,
one Green Earth Test Leads 5 meters,
one Black Earth Test Leads 5 meters )
8 * 1.5V(AA) Batteries(not including)
1 * manual(in English)
1 * Bags
Attention Please:
Because items with batteries can not be shipped by post air mail, the package does not include battery.