Center 390 Sound Level Meter, Single...
Extech 380260 Digital Insulation Tester, 1000V, large dual backlit display. Measures AC/DC volts, continuity beeper.
Extech 380396 digital high voltage insulation tester with wide range measurement up to 5kV and insulation resistance to 60GΩ
Extech 380562 high resolution milliohm meter benchtop meter provides resolutions down to 0.01m Using 4-wire Kelvin clip test leads.
Extech 380580 battery powered milliohm meter, high accuracy, high resolution portable Milliohm Meter for field use