Integrating Sound Level Meter (TYPE6236 / TYPE6238)

Suitable for environmental noise measurements
Equipped with the function of equivalent continuous SPL (Leq), single event sound exposure level (LAe) and persentile SPL (Lx).
Integrating Sound Level Meter (TYPE6236 / TYPE6238)


■ Wide range of fine linearity throughout 100 dB
■ Storage in internal memory or memory card (SD card)
■ Function expansion by the program card (SD card)
1/1, 1/3 Octave real time analysis card [standard]
FFT analysis card [option]
RSR card (real sound recording card) [option]


Item TYPE 6236 (Standard) TYPE 6238 (Precision)
Applicable standards JIS C1516: 2014 ClassⅡ
JIS C1509-1: 2017 ClassⅡ
IEC 61672-1: 2013 ClassⅡ
JIS C1516: 2014 ClassⅠ
JIS C1509-1: 2017 ClassⅠ
IEC 61672-1: 2013 ClassⅠ
Measurement level A: 28 - 130 dB
C: 37 - 130 dB
Z (FLAT) : 39 - 130 dB
A: 28 - 130 dB
C: 37 - 130 dB
Z (FLAT) : 39 - 130 dB
Frequency range 20 Hz - 20 kHz (Conforms with measurement law: 20 Hz - 8 kHz) 10 Hz - 20 kHz (Conforms with measurement law: 20 Hz - 16 kHz)
Time weighting Fast, Slow, Impulse
Frequency weighting A, C, Z (FLAT)
Measurement items Sound level A (LA), C (LC), Z (LP)
Time average sound level A (LAeq), C (LCeq), Z (LPeq)
Acoustic exposure level A (LAE), C (LCE), Z (LPE)
Time rate sound level A (LAN), C (LCN), Z (LPN)
Maximum sound level A (LAmax)
Minimum sound level A (LAmin)
Peak sound level C (LCpeak), Z (Lpeak)
Average power of the maximum sound level in the section A (LAtm5)
Impulse sound level A (LAI)
Impulse equivalent sound level A (LAIeq)
Measurement time 1s, 3s, 5s,10s,1min, 5min,10min,15min, 30min,1h, 8h, 24h
Manual (Max. 199h 59m 59s)
Data storage functions Sound pressure level or processed values stored in built-in memory or memory card
Date year/month/day/hour/minute/second
Calibration signal Electric calibration with internal oscillator (1 kHz sine wave)
Output AC Output Output voltage: 1 Vrms (FS)
DC Output Output voltage: 2.5 V (FS), 0.25 V/10 dB
I/O Direct output to printer, control and output data to computer
Digital output of real-time noise waveform with USB interface
Battery Four 1.5 V Alkaline cells IEC type LR6, Optional AC adapter
Battery life Alkaline dry cell: Approx. 9 hours when switch on a back light: Approx.1/3
Operating temperature range -10 - +50 ℃ 30 - 90 %RH (non-condensing)
Size 86 (W) x 285 (H) x 46 (D) mm
Weight Approx. 450 g (including batteries)