TPI AC Volt Testers. Determine the presence or absence of AC voltage without disconnecting the system in question.
No switch required, always ‘on’ ready for use
Uses 2 AAA batteries (included)
Model 40 (low voltage):Red glow indicates presence of 24-90 V
Model 50:Audible buzzer and visual alarm, red glow indicates presence of 50-1,000 V
Manufacturer Part Number