Lutron SL-4012 Sound Level Meter

Lutron SL-4012 Sound Level Meter is a device used to measure sound levels in industrial areas. This Portable Sound Level Meter has a measuring range of up to 30 – 130 dB and the measurements will be displayed on the LCD Screen. This Decibel Meter is a complex and lightweight instrument that can be carried easily everywhere.
Applications: Boundary noise monitoring, construction site noise control, road traffic noise monitoring, etc.

Description
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Discription

Lutron SL-4012 Sound Level Meter is a device used to measure sound levels in industrial applications. This Portable Sound Level Meter has a measuring range of up to 30 – 130 decibels.

Features of Lutron SL-4012 Sound Level Meter :

  • Large LCD display, easy to read
  • The main functions are designed to meet IEC 651 type 2
  • A & C weighting networks comply with standards
  • 0.5″ standard microphone head
  • Time weighting (Fast & Slow) dynamic characteristic modes
  • AC output for system expansion
  • RS232 computer interface
  • Auto range & Manual range selection
  • Available for external calibration adjustment
  • Condenser microphone for high accuracy & long-term stability
  • Memory function to store the Max. & Min. value
  • Hold and MAX. Hold functions
  • LCD display for low power consumption & clear read-out even in bright ambient light condition

Specification

ManufacturerLutron
ModelSL-4012
Measuring Range30 – 130 dB
Range SelectionAuto range: 30 to 130 dB Manual range: 3 range, 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step, with over & under range indicating
Frequency31,5 to 8.000 Hz
Resolution0.1dB
Display52 mm x 32 mm LCD (Liquid crystal display), 5 digits with annunciator
FunctiondB (A & C frequency weighting), Time weighting (Fast, Slow),
Hold, Memory (Max. & Min.), Max. hold, AC output, RS232
output
Microphone typeElectric condenser microphone
Microphone sizeOut size, 12.7 mm DIA. (0.5 inch)
CalibratorB&K (Bruel & Kjaer) multifunction acoustic calibrator 4226
Operating Temperature0 to 50 °C
Operating HumidityLess than 80 % RH
OutputAC output: AC 0.5 Vrms corresponding to each range step Output impedance – 600 ohm RS232 output
TerminalsTerminal 1: RS232 computer interface terminal, photo couple Output terminal: isolated Terminal 2: AC output terminal Terminal socket size: 3.5 mm dia. phone socket
CalibrationBuild in external calibration VR, easy to calibrate on 94 dB level by screw driver
Power ConsumptionApprox. DC 6 mA
Dimensions268 x 68 x 29 mm
Weight285 Grams