AUTOOL Digital Sound Level Meter Audio Noise Tester 30-130DB Decibel Meter LCD Display

AUTOOL TN201 Digital Sound Level Meter

The AUTOOL TN201 is a handheld digital noise meter that measures from 30 to 130 dB. It gives a quick, digital reference when comparing noise levels during diagnosis, testing or workplace measurements, from engines and cooling fans to windscreen wipers and air-conditioning vents.

Who It Suits

Technicians chasing cabin or engine noise, workshops checking environmental noise, and anyone needing a simple decibel reading.

Key Features

• 30–130 dB (A-weighted) range, 0.1dB resolution, ±1.5dB accuracy
• Capacitive microphone with a 31.5Hz–8kHz response
• Fast (125ms) and Slow (1s) time weighting
• Continuous, max/min and data hold modes
• Windshield design reduces wind noise interference when used outdoors
• Auto-off to save battery
• Real-time LCD display with a simple, clear interface
• Resists electromagnetic interference for stable readings
• ABS housing, IP40 protection

Technical Specifications

• Measurement range: 30–130 dB (A-weighted)
• Resolution: 0.1dB
• Accuracy: ±1.5dB
• Frequency response: 31.5Hz–8kHz
• Time weighting: Fast (125ms), Slow (1s)
• Operating environment: 0–40°C, ≤80% RH
• Power: 3 x 1.5V AAA batteries (not included)
• Protection: IP40

Package Contents

• AUTOOL TN201 digital noise meter
• Rope
• User manual