ข้อมูลจําเพาะ

• A/C Characteristics
• FAST/SLOW
• Max value display function
• low battery display
• Microphone: Electret condenser microphone
• measurement range
• Level: 40~130dB
• Frequency: 125 Hz to 8 kHz
• Body accuracy: ±2dB (reference condition 94dB/1LHz)
• Range switching: 4 levels 40~70dB, 60~90dB, 80~110dB, 100~130dB
• Frequency Response: A/C Response, Time Weight FAST (125 mS), SLOW (1 sec)
• Display: 4-digit LCD 2 times/second
• Operating environment: 0~40°C, 10~90%RH
• Power supply/Battery life: 006P (9 V) battery x 1/Approx. 110 hours
• Size/Weight: 55 W x 232 L x 33 mm/Approximately 170 g (Including Battery)
• Standard Accessories: 006P (9V) Battery x 1, Adjustment Driver x 1, Windbreak Screen x 1, Owner's Manual, Warranty
• Calibration point is 1 point of 94dB or 2 points of 94dB and 114dB.
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