Lutron Integrating Sound Level Meter (SL-14035SD) Datalogging

Lutron Integrating Sound Level Meter (SL-14035SD) Datalogging

The SL-14035SD is an integrating sound level meter designed for accurate noise measurements with real-time data logging capabilities via an SD card. Meeting IEC 61672 class 2 standards, it supports A and C frequency weightings and Fast/Slow time weightings, making it suitable for environmental and industrial noise monitoring. With features like programmable integrating time, peak hold, data hold, and RS232/USB connectivity, this meter is ideal for professionals who need precise, long-term noise analysis across a wide range of applications.

Features

• Real-time SD card data logging with timestamps for easy data analysis in Excel.
• Complies with IEC 61672 class 2 standards for A and C frequency weightings and Fast/Slow time weightings.
• Programmable integrating time for measuring Leq and SPL.
• Auto and manual range selection, with ranges of 30 to 80 dB and 80 to 130 dB.
• Peak hold, data hold, and maximum/minimum memory recall functions.
• LCD with green backlight for easy reading in various lighting conditions.
• RS232/USB output for PC connection, enabling data transfer for further analysis.
• Supports SD cards up to 16 GB for extensive data storage.
• Auto power-off function to save battery life.
• Compatible with optional external sound calibrators (e.g., SC-941, SC-942).

General Specifications

• Display: 52 mm x 32 mm LCD with green backlight.
• Measurement types: SPL (Sound Pressure Level), Leq (Equivalent Continuous Noise Level).
• Measurement range: 30 to 130 dB with 0.1 dB resolution.
• Frequency range: 31.5 Hz to 8 kHz.
• Microphone: 0.5" electric condenser microphone.
• Data output: RS232 and USB (optional cables required).
• Operating temperature: 0 to 50℃ (32 to 122℉).
• Operating humidity: Less than 85% RH.

Dimensions and Weight

• Dimensions: 245 x 68 x 45 mm (9.6 x 2.7 x 1.9 inches).
• Weight: 489 g (1.08 lbs) including batteries.

Accessories Included

• Instruction manual: 1 PC.
• Hard carrying case (CA-06): 1 PC.

Optional Accessories

• SB-01 Wind shield ball.
• USB-01 USB cable.
• SW-U801-WIN datalogging software.
• SC-941 or SC-942 94 dB sound calibrator.
• 16gB SD Memory Card SD-16GB.
• USB to 9v DC power cable USBP-59.
• 110v AC to 9v DC adapter AP-9V110.
• Soft carrying case, CA-05A.
• Hard carrying case, CA-06.

Electrical Specifications (23 ± 5℃)

• Accuracy (SPL, Leq) under 94 dB input:
  • 31.5 Hz: ±3.0 dB.
  • 63 Hz: ±2.0 dB.
  • 125 Hz: ±1.5 dB.
  • 250 Hz: ±1.5 dB.
  • 500 Hz: ±1.5 dB.
  • 1 kHz: ±1.0 dB.
  • 2 kHz: ±2.0 dB.
  • 4 kHz: ±3.0 dB.
  • 8 kHz: ±5.0 dB.
• Power supply: 6 x 1.5V AA batteries or DC 9V adapter (optional).
• Power consumption: Approx. DC 12 mA (operation without SD card logging and backlight off); DC 51 mA (logging with backlight off).