Free Metering Plugin - Includes RMS, EBUR128, VU and PPM | Pro Tools - The leading website for Pro Tools users
Level Meter in Logic Pro for Mac - Apple Support
Steelman Pro 600-Volt/200-Ampere Heavy-Duty True-RMS Open Jaw Clamp Meter Tool for Automotive and Construction, Auto Range AC/DC Multimeter, Non-Contact Voltage Indicator, K-Type Thermocouple: Amazon.com: Tools & Home Improvement