Integrating Sound Level Meter (TYPE6226 / TYPE6224)

Integrating Sound Level Meter (TYPE6226 / TYPE6224)
Suitable for environmental noise measurements
Equipped with the function of equivalent continuous SPL (Leq), single event sound exposure level (LAe) and persentile SPL (Lx).



■ Wide range of fine linearity throughout 100dB
■ Data storage up to 10,000
■ Measuring data is saved into PC in real time


Item TYPE 6226 (Standard) TYPE 6224 (Precision)
Applied specifications The Measurement Act : Sound level meter (Class 2)
JIS 1502 IEC 651 / 804 Type 2
The Measurement Act: Sound level meter (Class 1)
JIS 1505 IEC 651 / 804 Type 1
Measurement range 28 to 130 dB (A) / 33 to 130 dB (C) 27 to 130 dB (A) / 38 to 130 dB (C)
JIS indication 38 to 130 dB (F) 41 to 130 dB (F)
Frequency range 20 Hz to 8 kHz 20 Hz to 12.5 kHz
Dynamic response FAST, SLOW, IMPULSE
Frequency weighing characteristics A, C, FLAT
Measurement item Instantaneous SPL (Lp), Equivalent SPL (Leq), Single event sound exposure SPL (LE) Maximum value (Lmax), Minimum value (Lmin), Pesrsentile (Lx) for optionally selected 5 SPL values)
Measurement duration 1s, 3s, 5s, 10s, 1min, 5min, 10min, 15min, 30min, 1h, 8h, 24h
Manual (maximum 199h 59m 59s)
Memory function Calculated values are recorded in memory (approx.10,000 data)
Clock function Built-in (year / month / day / hour : minute : second)
Calibration signal Electrical calibration by built-in oscillator (1 kHz Sine)
Output AC output Output power : 1 Vrms (FS)
DC output Output voltage : 2.5 V (FS)
I/O terminals Interface RS-232C (desynchronized)
Power supply 4 ×AA batteries or AC adapter
Battery life 20 hours for alkali batteries
Operating temperature range -10 to +50 ゚C
Operating humidity range 30 to 90 %RH (non-condensing)
Size 85 (W) x 46 (D) x 284 (H) mm 30 to 90 %RH (non-condensing)
Mass Approx. 420 g (including battery)