Applicable standards | IEC61672-1 : 2013 Class 2,ANSI S1.4 : 1983 Type 2 |
Measurement parameters | SPL、Leq、SEL、MaxL、MinL、Peak、Ln (5%、10%、50%、90%、95%) |
Measurement range | 30 dB to 130 dB |
Linear range | 60 DB |
Frequency measurement range | 31.5 Hz to 8KHz |
Frequency weighting | A and C |
Time weighted | Fast, slow and rush |
accuracy | ± 1.0 dB ( 94 dB in reference sound pressure @1KHz) |
microphone | 1/2 -inch prepolarized capacitive microphone |
Measure gear | 5檔毎10-dB间隔:30 ~ 90dB、40 ~ 100dB、50 ~ 110dB、 60 ~ 120dB、70 ~ 130dB |
Digital display | 4- digit LCD , 0.1 dB resolution, updated once every second |
Simulation Instructions | 1- dB interval, 60 dB display range, updated every 1/8 seconds |
Display warning function: Overload indication Too low indication | The O V ER symbol appears after the file bit limit The UNDER symbol appears after the file bit limit |
Analog A C/DC output | 2 V rms ( full scale value ) , 10m V DC / dB |
power supply | 4 1.5 V LR-6/ A A - size battery , AC converter |
Battery life | About 24 hours |
Operating temperature and humidity | -10 ℃ to 50 ℃ , RH . < 90% uncondensed |
size | 265 ( Length ) × 72 ( Width ) × 21 ( Thickness ) mm |
weight | About 310g |
appendix | Instruction manual , battery , carrying case, adjuster, CD disc software, windproof ball, USB cable, 3.5 ψ plug |
Purchase accessories | Microphone extension cable, AC converter |