Atal Tools

• Large Measuring Range: The sound level meter has a wide measurement range of 30 to 130 dB, with A, C, and Z frequency weighting and FAST and SLOW time-weighted options to meet various measurement requirements
• Real-Time PC Connection: Use the USB cable to connect the sound level meter to a computer, and use the software to download measurement data to your computer for analysis and storage, compatible with Windows 7, 8, 10, and 11 (with 64 bits OS)
• Datalogger with Dual Alarm: record up to 1999 groups of data with buzzer and light alarm when exceeds the set threshold
• Large LCD Display: With coloured LCD and analog bar scale display, the sound level meter provides a clear display of measurement results. The LCD screen can display the maximum, minimum, or average value of sound level readings over a specified time period
• Comprehensive Parameter Settings: You can adjust the record interval, upper and lower limit, auto power-off, and more according to your needs

• Loudness Measurement
• Temperature Measurement
• MAX / MIN
• Data Hold
• Backlight
• Battery: 1.5V AAA*3

Lutron SL-4023SD is a sound level meter with a SD card.

• Main functions are designed to meet IEC 61672 class 2
• Hold and Peak Hold Function
• SD card capacity: 1 GB to 16 GB
• RS232/USB PC Computer interface
• Power by UM3/AA (1.5V) x 6 batteries or DC 9V adapter

• Large lcd display, easy to read.
• A & c weighting networks are conformity to standards.
• Ac/dc output for system expansion
• Build in adj. Vr is available for easy calibration
• Colour: grey
• Display :18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.
• Function :dB (A & C frequency weighting), Time weighting(Fast, Slow), Max. hold, AC & DC output.
• Measurement Range :3 ranges, 30 to 130 dB, input signal only.
• Resolution :0.1 dB.
• Size of microphone :1/2 inch standard size.