Rack-A-Tiers 99001 Ultimate AC Sensor, 50-1000V AC Voltage Detector

Rack-A-Tiers 99001 Ultimate AC Sensor, 50-1000V AC Voltage Detector

The Rack-A-Tiers 99001 Ultimate AC Sensor is a non-contact voltage detector built for electricians, maintenance technicians, and field service professionals who need a fast, reliable way to confirm the presence of AC voltage before touching a wire, panel, or device. Rated for a sensing range of 50 to 1000-Volt AC, this sensor is designed to catch everything from low-voltage control circuits to standard branch circuits and higher-voltage industrial feeders, giving crews a single tool that covers the vast majority of residential, commercial, and industrial voltage checks encountered on the job. As part of the Rack-A-Tiers lineup of professional-grade electrician tools, the 99001 is built to be carried on a belt, in a pouch, or in a truck toolbox and ready for immediate use whenever a quick safety check is needed.

Key Features

• Wide Voltage Range: Detects AC voltage from 50 up to 1000-Volt AC, covering low-voltage circuits through higher-voltage industrial applications in a single device.
• Non-Contact Sensing: Identifies live AC voltage without requiring direct contact with exposed conductors, supporting safer pre-work verification practices.
• Jobsite-Ready Design: Compact form factor sized for everyday carry in a tool pouch, tool bag, or shirt pocket so it's always within reach when a voltage check is needed.
• Quick Verification Tool: Provides a fast first-check before more detailed multimeter testing, helping streamline troubleshooting and lockout/tagout verification workflows.
• Rack-A-Tiers Build Quality: Backed by the Rack-A-Tiers brand, known among electrical contractors for durable, purpose-built tools designed to hold up to daily jobsite use.

Technical Specifications

• Voltage Detection Range: 50 - 1000-Volt AC

Typical Applications

• Pre-Work Voltage Verification on Panels and Circuits
• Residential, Commercial, and Industrial Electrical Troubleshooting
• Outlet, Switch, and Junction Box Safety Checks
• Lockout/Tagout Supporting Verification
• Service and Maintenance Electrical Inspections

Why Rack-A-Tiers?

Rack-A-Tiers designs tools that electrical professionals rely on for everyday reliability, and the 99001 Ultimate AC Sensor continues that focus by giving crews a wide 50 to 1000-Volt AC detection range in a compact, jobsite-ready package. Whether you're running a quick safety check before opening a panel or verifying a circuit during troubleshooting, this sensor is built to deliver dependable, repeatable performance backed by the Rack-A-Tiers name that electricians trust.