Pro Grade Class 1 Sound Level Meter For Precise Decibel Readings From 30 To 130 dB Ideal For Classrooms Auditoriums Labs And Vehicle Noise Tests Fast And Slow Time Weighting High Stability Condenser Microphone Model SL4001
✔️ 3-range 30-130 dB, IEC 61672 Type 2, condenser mic, Single unit
The SL4001 is a handheld sound level meter built for quick, accurate decibel readings in classrooms, laboratories, auditoriums, and during vehicle noise tests. It uses a high-stability condenser microphone and IEC 61672 Type 2 weighting to deliver reliable data in busy environments.
✅ Range: 30-130 dB across 3 ranges with 0.1 dB resolution
✅ Display: 18 mm LCD; 3 1/2 digits; Weight: 250 g; Dimensions: 205 x 80 x 35 mm (8.07 x 3.15 x 1.38 in)
✅ Time weighting: FAST and SLOW; Frequency weighting IEC 61672 Type 2
✅ Microphone: Electric condenser microphone for high accuracy and long-term stability
✅ Power: 9V battery; Power consumption ~6 mA
✅ Applications: classrooms, labs, industrial plants, road/rail traffic and environmental noise testing
💡 What is a sound level meter used for in industry and education? A handy tool for quick noise checks and regulatory compliance. - Used for classroom ambient noise monitoring - Used for lab equipment and factory floor noise testing - Used for environmental and occupational noise surveys - Used for vehicle, road, and rail noise testing