1, to technical parameters and functions:
1、声级测量范围: 1, sound level measuring range:
30—140dB(A) 30-140dB (A)
40—140dB(C) 40-140dB (C)
45—140dB(线性) 45-140dB (linear)
2、频率范围:10Hz—20kHz。 2, Frequency range: 10Hz-20kHz.
3、频率计权:A、C、及线性。 3, frequency weighting: A, C, and linear. 检波特性:真实有效值 Detector features: real-RMS
4、时间计权:快、慢、脉冲、什保持。 4, the time-weighted: fast, slow, pulse, and even to maintain the largest.
5、过载指示:满度+10±0.5dB。 5, overload instructions: full scale +10 ± 0.5dB.
6、电源:4节1.5VLR20高能电池,设有外接电源输入孔。 6, Power: 4 1.5VLR20 high-energy battery, with external power supply input jack.
7、内藏1000Hz正弦校正信号,可进行参考校准。 7, containing 1000Hz sinusoidal correction signal, reference can be calibrated.
8、具有交、直流输出端,可配合滤波器及记录仪使用。 8, with AC and DC output can be used with the filter and recorder.
二、其它: 2, other:
选择附件:校准器、延伸电缆(10m/15m/30m)、三脚架、外接电源附件。 Choose accessories: calibrators, extension cable (10m/15m/30m), tripod, external power supply accessories.
尺寸:290mm×106mm×65mm Size: 290mm × 106mm × 65mm
基本配置:主机、携带箱、风罩、钟表起子 Basic configuration: host, carrying case, wind shield, watch screwdriver