TPI
TPI AC Safety Volt Check - Audible & Visual Indication (50 ~ 1000 VAC)
£15.96
http://www.corgi-direct.com Go to shop Description
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) UL listed Lifetime warranty Model Variations: 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