Analog sound level meter MR-SLM7D

basicclass 2data logging

The MR-SLM7D Professional Sound Level Meter measures and displays sound levels in dB from 30 to 130 dB with high accuracy. User-selectable features include Frequency weighting (A & C), Response Time (Fast & Slow), Data Hold, and MAXIMIN recording. The outstanding function of AC/DC analog signal output and data logger makes this instrument more powerful. It's CE-approved and complies with the norm of IEC 651 type 2, ANSI Sl.4 TYPE 2. • Digital Data with Analog Bar-graph dual display • Measurement range: 30—130dB • High accuracy ±1.5dB, Resolution 0.1dB • A/C Frequency weighting • DC/AC Analog signal output • Fast/Slow Response time • Over-range and Under-range indication • MAXIMIN • Backlight • External 9V DC power supply (for long time measurement) • Data logging and USB interface • Data hold to freeze the reading • Auto power off in 20 minutes if without operation