快速支持
直接联系认证专家
Manufacture :Total Meter
Model : SL4201
Made in: Taiwan
Warranty : 12 month
Frequency range: 31.5Hz to 8kHz
Measuring range: (28) 30-130dB
Frequency ratio: A / C
Microphone: 1/2 inch polarized microphone capacitance
Digital display: 4 digit LCD
Resolution: 0.1dB
Update Screen: 2 times per second
Time Ratio: Fast 125ms, slow 1 second
measuring range:
Range 1: (28) 30dB to 70 dB
Range of 2: 60 dB to 100 dB
Range of 3:90 dB to 130 dB
Accuracy: ± 1.5dB (reference condition 94dB @ 1kHz)
Dynamic range: 40dB
The "Max"
Data Storage: 60000 samples
Interface: USB interface
Power supply: 01 pin 9V
Operating Temperature: 0-40 ℃ (32-104 ° F)
Relative humidity: ≤ 75% RH
