SEAWARD POWERTEST 1557多機能接地抵抗テスター（199Ω、500V）
Test Current >200mA
Display Range 0.00ohms - 199ohms
Resolution 0.01ohms max
Test Lead Compensation: 0.00ohms - 10.00ohms
Live Circuit Detection Test inhibit if >30V detected
Insulation Resistance
Test Voltage 100V, 250V, 500V
Display Range 0.05Mohms - 199Mohms
Resolution 0.01Mohms maximumTest Current >200mA
Display Range 0.00ohms - 199ohms
Resolution 0.01ohms max
Test Lead Compensation: 0.00ohms - 10.00ohms
Live Circuit Detection Test inhibit if >30V detected
Insulation Resistance
Test Voltage 100V, 250V, 500V
Display Range 0.05Mohms - 199Mohms
Resolution 0.01Mohms maximum
Live Circuit Detection Test inhibit if >30V detected
Loop/Line Impedance
Supply Voltage 195 - 253V/440V, 45Hz - 65Hz
Test Current 15mA (non tripping for RCD protected circuits)
Display Range 0.01ohms - 2000ohms
Resolution 0.01ohms maximum
Loop Impedance Phase to Earth
Line Impedance Phase to Neutral/Phase to Phase
PFC/PSC Range 0 - 26kA
RCD Trip Time
Supply Voltage 195 - 253V, 45 - 65Hz
Test Currents 10, 30, 100, 300, 500mA
Trip Time Ranges 0ms - 2000ms at ½IDn
0ms - 300ms at IDn general
Live Circuit Detection Test inhibit if >30V detected
Loop/Line Impedance
Supply Voltage 195 - 253V/440V, 45Hz - 65Hz
Test Current 15mA (non tripping for RCD protected circuits)
Display Range 0.01ohms - 2000ohms
Resolution 0.01ohms maximum
Loop Impedance Phase to Earth
Line Impedance Phase to Neutral/Phase to Phase
PFC/PSC Range 0 - 26kA
RCD Trip Time
Supply Voltage 195 - 253V, 45 - 65Hz
Test Currents 10, 30, 100, 300, 500mA
Trip Time Ranges 0ms - 2000ms at ½IDn
0ms - 300ms at IDn general
IEC 61010-1 300V CAT III, EN 61557
Dimensons : 260 x 100 x 55 mm
Weight : 950g
Power :Pin 6 x AA
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