●最大?& 最小功能
●超出和低于范围指示
●4位LCD
●频率加权特性每秒2次
●交流信号输出
●低电量指示
●自动断电(10分钟)
●背光功能
●200个测量结果可保存在存储器中并在显示屏上调用
●日期,时间的指示
● Max. & Min. function
● Over & under range indication
● 4-digit LCD
● Frequency weighting characteristic for 2 times per second
● AC signal output
● Low battery indication
● Auto power off (10 minutes)
● Backlight function
● 200 measurement results can be saved in the memory and recalled on the display
● Indication of date, time
测量范围 | Lo:30dB~80dB Med:50dB~100dB Hi:80dB~130dB | |
准确性 | ±1.5dB (参考范围) | |
参考声 级和频率 | 94dB,1kHz | |
解析度 | 0.1分贝 | |
探测器 – 指示器 特性 | 速度:125ms 慢:1s | |
模拟信号输出 | 每个范围AC 1Vrms | |
外形尺寸 | 250(长)x 78(宽)×45(深)毫米 | |
重量 (包括电池) | 约。324克? | |
能量源 | 1.5V(AAA)x 6???(碱性) |
Measuring ranges | Lo: 30dB~80dB Med: 50dB~100dB Hi: 80dB~130dB | |
Accuracy | ±1.5dB (at Reference range) | |
Reference sound level & frequency | 94dB, 1kHz | |
Resolution | 0.1dB | |
Detector-indicator characteristic | Fast: 125ms Slow: 1s | |
Analogue signal output | AC 1Vrms for each range | |
Dimensions | 250(L) x 78(W) x 45(D)mm | |
Weight (battery included) | Approx. 324g? | |
Power source | 1.5V (AAA) x 6? (Alkaline) |