JOY-IT JT-SLM01 Sound Level Meter with Color Display and Data Logger, 30-130 dB, 31.5 Hz - 8 kHz

Accurate to ±1.5 dB and compliant with IEC 61672-1 Class 2, the JOY-IT JT-SLM01 delivers professional-grade sound measurement in a handheld device. Its color LCD and 32,000-reading data logger make it ideal for workplace noise assessments, event monitoring, and acoustic testing.

Overview

The JT-SLM01 measures sound pressure levels from 30 to 130 dB across a frequency range of 31.5 Hz to 8 kHz. It offers A, C, and Z frequency weightings and fast/slow time weightings to suit various measurement standards. The built-in data logger stores up to 32,000 readings, accessible via USB for analysis and reporting.

What stands out

• Color LCD with backlight for clear readings in any environment
• Data logger with 32,000-point capacity for long-term monitoring
• Max/Min hold and data hold functions for capturing peaks
• Tripod mount for stable, hands-free measurements
• Powered by 3x AAA batteries or USB, with up to 30 hours of battery life

Technical details

• Measurement range: 30 - 130 dB
• Frequency range: 31.5 Hz - 8 kHz
• Accuracy: ±1.5 dB (at 94 dB, 1 kHz)
• Resolution: 0.1 dB
• Frequency weighting: A, C, Z
• Time weighting: Fast (125 ms), Slow (1 s)
• Dynamic range: 50 dB
• Microphone: 1/2 inch electret condenser
• Interface: USB
• Power supply: 3x AAA batteries or USB (DC 5V)
• Battery life: approx. 30 hours
• Operating temperature: 0 - 40 °C
• Operating humidity: 10 - 80 % RH
• Standards: IEC 61672-1 Class 2

Our verdict

The JT-SLM01 combines precision, versatility, and ease of use. Its data logging and USB connectivity make it a practical tool for professionals who need reliable, documented sound measurements.