KYORITSU 4106 - Manual (Page 11)

7
4. Specification
● Applicable Standards
IEC 61010-1
Measurement CAT.III 300V, CAT.IV 150V Pollution
degree 2
IEC 61010-031 Standard for hand-held Probes
IEC 61557-1, 5 Earth Resistance Tester
IEC 61326-1 EMC Standard
IEC 60529 IP 54
● Measuring range and accuracy (23ºC±5ºC, relative humidity 45~75%RH)
Function Range Resolution
Measuring
Range
Accuracy
Earth
Resistance
Re
(Rg at ρ
measurement)
2Ω 0.001Ω 0.03∼2.099Ω ±2%rdg.±0.03Ω
20Ω 0.01Ω 0.03∼20.99Ω
Note 1)
±2%rdg.±5dgt
200Ω 0.1Ω 0.30∼209.9Ω
2000Ω 1Ω 3.0∼2099Ω
20kΩ 10Ω 0.03k∼20.99kΩ
200kΩ 100Ω 0.3k∼209.9kΩ
Auxiliary Earth
Resistance
Rh , Rs
8% of Re+Rh+Rs
Earth
Resistivity
ρ
2Ω
0.1Ω･m
~1Ω･m
Auto-
ranging
0.2∼395.6Ω・ｍ
Note 2)
ρ＝ 2×π×a×Rg
20Ω 0.2∼3956Ω・ｍ
200Ω 20∼39.56ｋΩ・ｍ
2000Ω 0.2ｋ∼395.6ｋΩ・ｍ
20kΩ
2.0ｋ∼1999ｋΩ・ｍ
200kΩ
Series Note 3)
Interference
Voltage
Ust (A.C only)
50V 0.1V 0~50.9Vrms
±2%rdg.±2dgt
(50/60Hz)
±3%rdg.±2dgt.
(40~500Hz)
Frequency
Fst
Auto-
ranging
0.1Hz
1Hz
40Hz~500Hz ±1%rdg.±2dgt
Note 1) Auxiliary earth resistance is 100Ω with Rk correction
Note 2) Depending on the measured Rg. Interval [a] between auxiliary earth
spikes is 1.0~30.0m
Note 3) This instrument is NOT designed to measure voltages on
commercial powers.