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DER2571P1接地電阻測量儀(地阻表)@DER2571P1%
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●具有抗地電壓干擾的能力，不斷開地極連線亦可正常測試。 |
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DER2571P1 grounding resistance measuring instrument(ground resistance meter) @DER2571P1%
● has the ability to resist the interference of voltage, theconnection can be continuous normal test.
● voltage measurement error introduced: AC50Hz ≤ 2V ≤± 2%; auxiliary grounding resistance ≤ 5K Ω,measurement error introduced: ≤ ± (5%+2d).
● grounding test open circuit, Test indicating lamp will bechanged from red to yellow.
Measuring the parameters of grounding resistancevoltage
Measuring range (0 ~ 20)
(0 ~ 200) Ω; (0 ~ 2000) omega (0 ~ 20)
The maximum measurement error (5%RDG ± 2D) measuring range limit value of + (5%RDG + 2D)
The test current 1mA (0 ~ 200) Ω; 0.2mA (200 ~ 2000) Ω
Power frequency voltage ≤ 2V
The temperature and humidity of 0 ~ 40 ℃; < 85% RH
High pressure AC1.5kV 50Hz 1min
Electric source 1.5V (R6, AA) battery, 6
The size of 190mm (L) × 110mm (W) × 58mm (D)
The weight of about 0.5kg
