A set of measuring instruments with accessories. The set includes:
multifunctional electrical installations meter Sonel MPI-507,
thermal imager Sonel KT-256F.
 
Capabilities
MPI-507 | Measurement of short circuit loop parameters.
MPI-507 | Testing RCD breakers of AC, A types.
MPI-507 | Earth resistance measurement.
MPI-507 | Insulation resistance measurement.
MPI-507 | Measurement of resistance of protective conductors and equipotential bondings.
MPI-507 | Phase sequence indication.
KT-256 | Infrared diagnostics.
 
MPI-507
Multifunctional electrical installations meter
Measurement of short circuit loop parameters
Measurement of short circuit loop impedance in networks with rated voltage: 220/380 V, 230 V/400 V, 240/415 V and frequency 45…65 Hz, operating voltage range: 180…460 V
Indication of short circuit loop resistance R and short circuit loop reactance X
Measurements of short circuit loop impedance with 15 mA current, without tripping the RCD circuit breaker
Maximum test current: 7.6 A (at 230 V), 13.3 A (at 400 V)
 
Testing RCD breakers of AC, A types
Testing of prompt, short-delay and selective RCDs with rated current values 10, 15, 30, 100, 300, 500 mA
Measurement of IA trip current and tripping time tA for currents 0.5 IΔn, 1 IΔn, 2 IΔn, 5 IΔn
RE and UB measurement without RCD tripping
Extended AUTO function of RCD measurement, with the possibility of measuring ZL-PE with low current
Measurement of IA and tA during one RCD tripping
 
Earth resistance measurement
Measurement with 3-pole method.
 
Insulation resistance measurement
Test voltage 100 V, 250 V, 500 V.
 
Measurement of resistance of protective conductors and equipotential bondings
Measurement of protective connections continuity with a ±200 mA current in accordance with EN 61557-4
Autocalibration of test leads - any leads can be used
Low current resistance measurement with sound signaling
 
Phase sequence indication
 
KT-256F
Thermal imager
Features
Measuring range: -20°C...550°C (-4°F... 1022°F).
Quick start.
Fast temperature measurement.
Automatic signalling of exceeded alarm threshold.
Autofocus.
Saving IR images to SD card.
Built-in Li-Ion battery with 16-hour working time.
Interfaces: USB type C, SD slot.
Can be set up on a tripod.