Powertest 1557
SPECIFICATIONS & MANUALS
If you're looking for the Powertest 1557 datasheet featuring full
technical specifications or the instruction manual, you can find them here.
Manuals
Datasheets
Specifications
| Insulation Resistance | |
|---|---|
| Test Voltage | 100V, 250V, 500V |
| Display Range | 0.05Mohms - 199Mohms |
| Resolution | 0.01Mohms maximum |
| Live Circuit Detection Test | inhibit if >30V detected |
| RCD Trip Time | |
|---|---|
| Supply Voltage | Default Spec Value195 - 253V, 45 - 65Hz |
| Test Currents | 10, 30, 100, 300, 500mA |
| Trip Time Ranges | 0ms - 2000ms at ½IDn[br]0ms - 300ms at IDn general |
| Earth Continuity | |
|---|---|
| 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 |
| 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 |
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