| Art.-No. | TYPE-6226NW |
| Name | Waterproof Sound Level Meter |
| Applicable Standards | JIS C 1502
IEC 651･804Type2 |
| Measurement Level | 28～130dB(A)、33～130dB(C)、38～130db(F) |
| Frequency Range | 20Hz～10kHz
（Conforms with measurement law：20Hz～8kHz） |
| Microphone Type | TYPE 7052NW（Waterproof 1/2" electret condenser microphone） |
| Level Range | 10dB step, 6 stages |
| Linearity range | 100dB |
| Time weighting | FAST、SLOW、IMPULSE |
| Frequency weighting | A、C、FLAT |
| Measurement items | Sound pressure level(Lp)
Equivalent continuous sound pressure level(Leq)
Sound exposure level(Le)、Maximum sound pressure Level(Lmax)
Minimum sound pressure level(Lmin)
Percentile sound pressure level(Lx, 5 freely selectable values）
C-weighted Peak Sound Pressure level(LCPeak) |
| Measurement time | 1s,3s,5s,10s, 1min,5min,10min,15min,30min, 1h, 8h, 24h,Manual (Max. 199h59m59s) |
| Sampling Time | 20.8μs(Leq)、10ms(Lmax、Lmin) |
| Lx Sampling Time | 100ms |
| Display | Liquid crystal and Backlight(128×64 points) |
| Digital display | Display range : 4digit display
Display cycle：display Period: 1s |
| Bar display | Display Period : 0.1s |
| Warning | Over；+3dB from upper limited scale
Under；-0.6dB from lower limited scale |
| Battery display | Battery 4 steps display |
| Built-in memory | Calculated value is memorized in memory. (Approx.10,000 samples : 800 sets of results) |
| Built-in calendar | year/month/day/hour：minute：second |
| Pause | Pause and a function that deletes preceding 3 or 5 sec Data |
| Calibration signal | Electric calibration with internal oscillator(1kHz sine wave) |
| AC output | Output：1Vrms(F.S)、Output impedance：600Ω、Load impedance：more than 10kΩ |
| DC output | Output：2.5V(F.S)、0.25V/10dB、
Output impedance：50Ω、Load impedance：more than 10kΩ |
| I/O | Interface : RS-232C(asynchronous)
data bits : 8bits
stop bi t: 1bit
parity : none
baud rate : 4800, 9600, 19200bps（for printing, computer control and data transfer.） |
| Battery Type | Four 1.5V size-AA batteries
Consumption current；When AC adaptor is used ；Approx.2.1VA |
| Battery life | Alkaline batteries : 20 hours,
Manganese batteries :10 hours
when switch on a back light; Approx.1/3 |
| Operating temperature | Temperature：-10～50℃ Humidity：Unlimited |
| Size | 85(W)×284(H)×46(D) |
| Weight | Approx. 420g(including Batteries) |
