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SOUND LEVEL METER
ONOSOKKI LA-1210/1220/1240/1250
The LA-1200 series (consisting of four models) achieves a wide linearity range of 85 dB and operates no less than 40 hours continuously with two type AA batteries. The series includes models with memory, comparator and external control functions, which enables to capture sudden noise and synchronous operation of several meters.

LA-1200 is designed for operational easiness to be realized at the measurement site.

Features

  • Wide 85-dB linearity range
  • Realizes 40-hours continuous operation
  • Setup resume function for quick startup of measurement
  • Key protection function to avoid erroneous operation
LA-1210 Basic type sound level meter LA-1220 Sound level meter with communications function
  • Instantaneous level of (LA) and (LP)
  • Stationary noise measurement
  • RS-232C I/F added to LA-1210
  • Comparator output (optional)
LA-1240 Integrating sound level meter with memory function LA-1250 Integrating sound level meter for environmental measurements
  • Equivalent continuous SPL (Lep) and percentile SPL(Lx)
  • Measurement data stored into built-in memory (300 addresses)
  • Comparator output and external control (optional)
  • Non-stationary noise measurement
  • Time scheduled measurements
  • Back erase function to remove measurement data up to 10 seconds from the point
  • Built-in memory
    (Manual: 300 addresses, Block: 14400 addresses)
  • Sudden noise can be recorded using a combination of comparator function and a data recorder. (optional)
  • External control (optional)

Specifications

Model LA-1210 LA-1220 LA-1240 LA-1250
Applicable standard

JIS C1502, IEC60651 Type2, IEC60804 Type2,
Draft IEC 61672-Aug 1998 Class2, ANSI S 1.4 Type2
Linearity range 85dB
Frequency range 20Hz to 8kHz
Measurement range JIS: 27 to 130dB (A), 30 to 130dB (C), 35 to 130dB (FLAT)

IEC: 26 to 140dB (A), 29 to 140dB (C), 34 to 140dB (FLAT)
Frequency weighting A, C, FLAT
Measurement items  
Instantaneous SPL (LP) Yes Yes Yes Yes
Equivalent continuous SPL (Leq)     Yes Yes
Sound exposure level (LAE)     Yes Yes
Percentile SPL (Lx)     Yes Yes
Maximum value (Max) Yes Yes Yes Yes
Display update Numeric: 1 s, Bar graph: 100 ms
Memory function     Manual: 300 addresses Manual: 300 addresses
Block: 14400 addresses
Analog output AC: 0.707Vrms, DC: 2.5V (F.S.) 0.5V/10dB
Power supply Two type AA batteries
Battery life approx. 40 hours (alkaline batteries), approx. 24 hours (manganese batteries)
Operating temperature range -10 to +50 ºC
Operating humidity range 30 to 90%RH
Outer dimensions approx. 70 x 240 x 30mm
Weight approx. 260g

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