| Model |
6226 |
6224 |
| Type |
Integrating sound level meter |
Integrating precision sound level meter |
| Applicable standards |
Sound level meter
JIS 1502
IEC 651・804 Type 2 |
Precision sound level meter
JIS 1505
IEC 651・804 Type 1 |
| Measurement range |
28～130dB（A） 33～130dB（C） |
22～130dB（A） 32～130dB（C） |
| JIS |
38～130dB（F） |
38～130dB（F） |
| Measurement frequency range |
20Hz～8kHz |
20Hz～12.5kHz |
| Microphone |
7052N
1/2・Electret prepolariged microphone |
7146N
1/2・Electrets prepolariged microphone |
| Level range control |
10dB 6steps |
| Linearity range |
100dB |
| Response |
FAST、SLOW、IMPULSE |
| Frequency weighting
| A、C、FLAT |
| Measurement parameters |
Lp: Sound pressure level
Leq: Equivalent continuous A-weighting sound pressure level
L E : Sound exposure level
Lmax: Maximum sound level
Lmin: Minimum sound level
Lx: Percentile level (5 values of free select) |
| Response time for constant input signal |
1s,3s,5s,10s,1min,5min,10min,30min,1h,8h,24h,Manual(Max.199h59m59s) |
| Sampling time |
20.8μs(Leq) 10ms(Lmax、Lmin) |
| Lx sampling time |
100ms |
| Display |
Liquid crystal and back light |
| Digital |
Digits: 4, Display period: 1s |
| Bar warning |
Display period: 0.1s |
| Warning |
Over: +10dB from upper limited scale
Under: -0.6dB from lower limited scale |
| Battery |
4-steps display |
| Memory |
Memorize the sound pressure level or operation level |
| Date |
Built-in (year/month/day/hour:minute:second) |
| Pause |
Pause/Data clear |
| Calibration |
Electric calibration with internal oscillator (1kHz SINE wave) |
| AC output |
1Vrms for full scale
Output impedance: 600Ω, resistance: more than 10kΩ |
| DC output |
2.5V for full scale, 0.25V/10dB
Output impedance: 50Ω, resistance: more than 10kΩ |
| I/O Terminal |
Interface: RS-232C, Data: 8bits, Stop: 2bits, Parity: not, Baud rate: 4800, 9600, 19200bps (direct output to printer, control and output data to computer) |
| Battery type |
Four 1.5V Alkaline cells IEC type LR6, Optional AC adapter |
| Life time |
Alkaline dry cell: Approx. 24hours (Magnesium dry cell: 11hour)
When switch ON a back light: Approx. 1/3 |
| Ambient condition |
-10~+50℃ 30～90%RH (not dew condensation) |
| Dimensions |
85W×284H×48D |
85W×310H×48D |
| Weight |
Approx. 370g |
모델명 : Type6226 / Type6224
