SEAWARD POWERTEST 1557 多功能低压电气测试仪（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

Datasheet