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LA-4441 - Precision Integrating Sound Level Meter (Type 1)
The LA-4441 Integrating Sound Level Meter conforms to the latest IEC / JIS standards while focusing on easy operation and cost effectiveness.

  • Performs and stores 14 measurements simultaneously.
  • Download directly to a PC via USB Interface.
  • 100 dB Linearity Range.
  • Timer measurement function.
  • Manual and automatic memory.
  • Setup memory.
  • Easy to use settings menu.
Applicable Standards JIS C 1509-1:2005 Class 1, IEC 61672-1:2002 Class 1
Linearity Range 100 dB
Measurement Range 26 to 137 dB(A), 31 to 137 dB(C), 36 to 137 dB(Z)
Frequency Weighting A, C, Z
Measured Parameters Lp, Leq, Le, Ln, Lmax, Lmin, Lpeak
Time Weighting Fast, Slow, Impulse, 10ms
Memory Modes Manual, Automatic
AC Output 0.707 Vrms/Full Scale (Normal Range), 2.238 Vrms/Full Scale (Wide Range)
DC Output 2.5 V/Full Scale, 0.25 V/10 dB
RS-232C Yes
Power Supply 2 x AA Batteries, AC Adaptor (Optional)
Battery Life Approximately 8 Hours
Operating Temperature Range -10 to 50ยบ C
Operating Humidity Range 25 to 90% Relative Humidity
Dimensions 78 mm (W) x 263 mm (H) x 47 mm (D)
Weight Approximately 375 g (Including Batteries)


Standard Accessories: One Windscreen, Two Type AA Batteries, One Hard Shell Transit Case and One Instruction Manual.

  • LA-0141 Comparator Output / External Control Option