Amprobe Tr100-A Data Logger, Temperature, -40 To 185 F

Amprobe Recorder AC Volt Amp Current Transducer Data Acquisition Device

Lava Model, Amprobe AC Volt-Ammeter Recorder, Untested

Amprobe TR 100-A Temperature Data Logger with Digital Display

1970s Amprobe AC Voltmeter Recorder in Leather Case + 2 Chart Rolls PAV 2X

Amprobe Recorder LAV21E AC Volt/Ampere Recorder w/case

Amprobe Temperature / Event Recorder LT8200R Range: -3.5°-118°F, -40°-60°F Used