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วัดได้ 30 - 130dB ความละเอียด 0.1dB ขนาดกระทัดรัด หน้าจอ Display มีทั้ง Analog และ Digital
Model No.: | xxx |
SL801 | SL811 | |
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Specifications | Measuring Range | 30~130dB A 35~130dB C |
30~130dB A 35~130dB C |
30~130dB A 35~130dB C |
Accuracy | ±1.5dB | ±1.5dB | ±1.5dB | |
Linearity Range | 50dB | 50dB | 50dB | |
AC/DC Output | √ | √ | √ | |
Auto power shut off | √ | √ | √ | |
Low Battery Indication | √ | √ | √ | |
Over Range Indication | √ | √ | √ | |
Frequency weighting | A & C | A & C | A & C | |
Sound measuring level selection | √ | √ | √ | |
Max hold function | √ | √ | √ | |
RS232 PC interface | ___ | ___ | √ | |
Calendar function | ___ | ___ | √ | |
Power | 1.5V×4 Battery(SUM-3) | |||
Product Net Weight | 178g | 300g |