6 of the Best: Loudness Meters - Measure Your Decibels
Reading The Signals | Pro Tools Production
Blue Cat's DP Meter Pro - Peak, RMS, Crest factor and Dynamic Range Monitoring, with MIDI CC
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
Master Meter
Post Production Metering Suite for Pro Tools
Pro Tools® 11 ‒ Advanced Metering ‒ Avid® - YouTube
Free Metering Plugin - Includes RMS, EBUR128, VU and PPM | Pro Tools - The leading website for Pro Tools users
dpMeter | TBProAudio
Understanding Advanced Metering In Pro Tools | Production Expert