| METRALINE ZCHECK | SECULIFE IP IQ | PROFITEST INTRO | |
|---|---|---|---|
| Item number | M507A | M535E | M520T |
| Product details page | Details | Details | Details |
| Indication | Digital | Digital | Digital |
| Limit value indication | x | x | |
| Battery status indicator | x | x | x |
| Status display of internal memory | x | x | |
| Measurement functions selectable via rotary switch | x | x | |
| Structured measured value memory | x | x | |
| Editable menus | x | x | |
| Name of inspector editable at test instrument | x | x | |
| Creation of test procedures | x | ||
| Help function with connection diagrams | x | x | |
| Bluetooth interface | x | ||
| Interface | x | x | |
| Bidirectional data exchange | x | x | |
| Updateable | x | x | |
| PE detection by means of finger contact | x | x | |
| Automatic measurement cable compensation | x | ||
| Offset management | x | ||
| Connection for test probe with remote triggering | x | ||
| Remote control for testing device | x | x | |
| Measurement category |
CAT III 300 V CAT II 300 V |
CAT IV 300 V CAT III 600 V |
CAT III 600 V CAT IV 300 V |
| Phase sequence determination | x | x | |
| Low resistance measurement with ramp function | x | ||
| Isolation resistance measurement | x | x | x |
| Isolation resistance measurement with ramp function | x | x | |
| Resistances of isolating floors and walls | x | x | |
| Over voltage protector testing | x | x | |
| Measurement of standing-surface insulation | x | ||
| Loop resistance/impedance measurement | x | x | x |
| Loop impedance / impedance measurements in DC systems | 500 V | 500 V | 500 V |
| Loop measurement without RCD/FI release | x | x | |
| Detection short-circuit current/overcurrent protection | x | x | |
| Mains internal resistance measurement | x | x | |
| Voltage drop measurement | x | x | |
| Earthing measurement | |||
| Selective grounding measurement | x | ||
| Earth loop measurement | |||
| Specific grounding measurement | |||
| RCD/FI testing | x | x | x |
| RCD/FI testing with rising residual current | x | x | |
| RCD tripping test with nominal residual current | x | x | |
| RCD/FI analysis function | x | x | |
| RCD tripping test with nominal residual current and simultaneously rising residual current | x | x | |
| PRCD testing type S, type K | x | x | |
| Testing of motor protection switch | x | x | |
| Testing of IMDs and RCMs | x | ||
| Testing of charging devices E-Mobility, simulation of vehicle status | |||
| Measuring of leakage currents with adapter | x | ||
| Measurement of touch current | |||
| Measurement of residual voltage | |||
| Connection of barcode or RFID reader | x | x | |
| Connection for current clamp sensors | x | ||
| Connection of temperature and humidity sensor | x | ||
| Connection of earth spikes | |||
| Voltage measurement U L-N-PE |
U L-N U L-PE U N-PE |
||
| Low resistance measurement | 200 mA | ||
| Testing of IT networks | |||
| Earth resistance measurement mains powered | 2-pole measurement |