Lutron SL-4012 Sound Level Meter, Auto Range, AC Output

Brand
Lutron
Model number
SL-4012

Auto range sound level meter for 30 to 130 dB with A and C weighting, fast/slow response, max/min memory and AC output.

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Key features

  • Large LCD display, easy to read. Frequency weighting meet
  • IEC 61672 class 2.
  • Auto range & manual range.
  • A & C frequency weighting.
  • Fast & Slow time weighting
  • AC output for system expansion.
  • RS232 computer interface.
  • External calibration VR.
  • Hold & Memory record.
  • High accuracy condenser microphone
  • Peak Hold.
  • Over and under load indicator.
  • LCD display.
  • Durable, strong light weight ABS-plastic housing case.

Specifications

Specifications
Display52 mm x 32 mm LCD (Liquid Crystal Display), 5 digits.
Measurement Range30 - 130 dB.
Resolution0.1 dB.
FunctiondB (A & C frequency weighting), Time weighting(Fast, Slow), Hold, Memory ( max. &; min. ), Peak hold, AC & RS232 output.
AccuracyFrequency weighting meet IEC 61672 class 2, calibrating input signal on 94 dB(31.5 Hz to; 8 kHz), then the accuracy of frequency weighting is specified as following: 31.5 Hz - ± 3.5 dB, 63 Hz - ± 2.5 dB, 125 Hz - ± 2.0 dB; 250 Hz - ± 1.9 dB, 500 Hz - ± 1.9 dB, 1 kHz - ± 1.4 dB; 2 kHz - ± 2.6 dB, 4 kHz - ± 3.6 dB, 8 kHz - ± 5.6 dB
Frequency Weighting NetworkCharacteristics of A & C.; A weighting - The characteristic is simulated as "Human Ear Listing" response. Typical, if; making the environmental sound level measurement, always select to A; weighting.; C weighting - The characteristic is near the "FLAT" response. Typical, it is suitable for; checking the noise of machinery (Q.C. check) & knowing the sound; pressure level of the tested equipment.
Time weightingFast - t= 200 ms, Slow - t = 500 ms; * "Fast" range is simulated the human ear response time weighting.; Slow" range is easy to get the average values of vibration sound level.; * The "Fast" & "Slow" time weighting range are designed to IEC 61672 class 2 requirement.
Range selectorAuto 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 Hz to 8,000 Hz.
Microphone typeElectric condenser microphone.
Microphone size1/2 inch standard size.
Calibration VRBuild in external calibration VR, easy to calibrate on 94 dB level by screw driver.
CalibratorB & K (Bruel & kjaer), multi-fuction acoustic calibrator, model : 4226.
Operating Temperature0 °C to 50 °C ( 32°F to 122°F ).
Operating HumidityLess than 80% RH.
Power Supply006P DC 9V battery ( Alkaline or heavy duty type ).
Weight295 g/0.65 LB.
Dimension268 x 68 x 29 mm ( 10.6 x 2.7 x 1.1 inch).
Accessories
Supplied withInstruction Manual: 1 PC.
OptionalSound Calibrator (Model: SC-941, SC-942); Carrying Case (Model: CA-06); Wind Shield Ball (Model: SB-01); RS232 Cable (Model: UPCB-02); USB Cable (Model: USB-01); Application Software (Model: SW-E816)
Output Signal
AC OutputAC 0.5 Vrms corresponding to each range step
Power Supply
Power ConsumptionApprox. DC 6 mA

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.