Sound Level Meter

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Digital Sound Level Meter

Product Features
  • 0.1dB resolution.
  • Range from 30 to 130dB.
  • Maximum hold function.
  • A, C, Z frequency weightings.
  • A, C, Z peak hold function.
  • Fast, Slow and Impulse dynamic characteristic models.
  • AC/DC output jack.
  • Back-screw for tripod fixture.
  • Micro-USB (1151)
  • Auto data memory microSD CARD 4GB. (1151)
Digital Sound Level Meter


Applicable Standards

IEC 61672-1: 2013 Class 2, ANSI S1.4: 1983 Type 2

Digital Display

4 digital LCD

Measurement LevelRange

30 to 90dB, 45 to 110dB, 65 to 130 dB

PEAK LevelRange

65 to 93.4dB, 85 to 113.4dB, 105 to 133.4 dB (1150)

65 to 93dB, 85 to 113dB, 105 to 133 dB (1151)



Typical Instrument Frequency Range

31.5Hz to 8kHz


±1.0dB (ref 94dB @1kHz)

Dynamic Range


Frequency Weighting

A, C and Z

Time Weighting

F (Fast), S (Slow), and I (Impulse)


1/2 inch Electret condenser microphone

Analog output

AC output

1.0Vrms corresponding to each range step, Impedance5kΩ

DC output

10mV/dB (nominally), Impedance:5kΩ

Auto data memory

microSD CARD 4GB   (1151)

Operating Temperature & Humidity

-10°C to +50°C, 30% to 90%RH non-condensing

Storage Temperature & Humidity

-10°C to +60°C, <70%RH non-condensing

Power Supply

One 006P 9V or IEC 6F22 or NEDA 1604 Battery

Battery Life

Approx. 24 hours




Approx. 180g


Instruction manual, Battery, Carrying case, 3.5f plug, Adjustment screwdriver, windscreen.CD Software (1151), micro-USB Cable (1151).

Optional Accessory

AC adaptor DC9V (1151)