Sonel MPI-507

• 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 I_A trip current and tripping time t_A for currents 0.5 I_Δn, 1 I_Δn, 2 I_Δn, 5 I_Δn
  • R_E and U_B measurement without RCD tripping
  • Extended AUTO function of RCD measurement, with the possibility of measuring Z_L-PE with low current
  • Measurement of I_A and t_A 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

A great little multitasker
The multifunction meter of electrical installation parameters Sonel MPI-507 is a handy device designed for precise measurements of electrical installation parameters. The sleek, compact design of this meter conceals many measurement functions in its ergonomic form. It’s easy to carry and increases the comfort of work. The Sonel MPI-507 is one of the smallest multifunction meters on the market; it surprises with intuitive operation and extended capabilities. It’s ready to work in all conditions; it has been designed for specialists in the installation and electrical industries as well as for professional measuring engineers.
This instrument can perform basic measurements of several common electrical parameters, including short-circuit loop resistance, insulation resistance, resistance of protective and equalising connections, earth resistance measurement and residual current device (RCD) testing. Due to its compact form and favourable price, the meter will appeal especially to novice users. Its excellent working precision means that its advantages will also be appreciated by advanced measuring engineers.