Specifications
Seaward 1557 Powercheck | |
Installation Functions | |
Earth continuity | 0.5 – 2 Ω |
Insulation resistance | 0.25, 0.5, 1.0 MΩ |
Earth loop | Loop, Loop+1 Ω ,Loop+180 Ω |
RCD | 10 mA, 30mA, 100 mA |
Test voltage | 240 V AC test output |
Pat Functions | |
Earth continuity | 0.2 – 2 Ω |
Insulation resistance | 500 KΩ, 1MΩ, 2MΩ |
PE conductor current | 0.1, 0.25, 0.5 mA |
Flash test current | 0.5, 1, 1.5 mA |
Power supply | 230 V AC |
Dimensions | 210 x 145 x 83 mm |
Weight | 1 kg |
INSTALLATION TEST INSTRUMENTS | |
Earth Continuity Verification | |
Test Current | In > 200mA Indication |
Test Voltage | 4V < UN > 24V Indication |
Test Resistance | 0.5Ω and 2Ω |
Insulation Resistance Verification | |
Open Circuit Test Voltage | 250V < UN < 375V Indication 500V < UN < 750V Indication 1000V < UN < 1500 Indication |
Test Current | IN > 1mA into 1000Ω/V |
Max Test Current | Ik < 2mA |
Test Resistances | 0.25MΩ, 0.5MΩ, 1.0MΩ |
Earth Loop Verification | |
Test Values | Loop, Loop + 1Ω, Loop + 180Ω |
RCD Verification | |
Trip Current | 10mA, 30mA, 100mA |
Trip Times | 20ms, 40ms, 500ms |
Test Current Multiplier | 1/2Δn, lΔn and 5 IΔn Verification |
Voltage Verification | |
Test Voltage | 240V AC RMS test output |
PAT FUNCTIONS | |
Earth Continuity Verification | |
Test Resistances | 0.2Ω and 2Ω |
Insulation Resistance Verification | |
Test Resistances | 500kΩ, 1MΩ and 2MΩ |
PE Conductor Current | |
Test Currents | 0.1mA, 0.25mA and 0.5mA |
Flash Test Current | |
Test Currents | 0.5mA, 1mA, 1.5mA |