AMPROBE THWD-3 Relative Humidity and Temperature Probe

Amprobe Instrument AM-3 Multimeter

Vintage Amprobe RS-3 Ultra Analog Clamp Meter Rotary Scale Volt Ammeter w/ Case

Vintage Amprobe Digital Clamp-On Volt /Ohmmeter Model ACD-1 ACD-2 ACD-3 ACD-4

Amprobe RS-3

Vintage Amprobe Ultra RS-3 Clamp Meter AC Volt Ammeter Ohmmeter - Not Tested