Capacitor ReCaps  Service
Capacitor Test Rig
High Impedance Voltmeter
The faster voltage falls, the bigger current leakage is. You need a multimeter with an input impedance of DC voltage of at least 10 MΩ to ensure higher precision
Input impedance
Mastech MS8260E
Input impedance: 10MΩ
Max. input voltage: 1000Vdc or 750V ac rms.
Peak ESR discharges atomatically
Peak  most handy $139
Bside ESR02 $28


MK328 for test stand. Semiconductors.
Video