Spec

• Frequency Range: 20 Hz, to 8 kHz
• measurement range: 30 to 130 dB
• Frequency correction characteristics: A or C characteristics
• Microphone: 1/2 inch Electret condenser microphone
• Liquid crystal display: 4 digits
• resolution: 0.1 for dB
• Display update: 0.5 seconds
• Analog meter: 30 memory
• resolution: 2 for dB
• Display update: 0.1 seconds
• Dynamic: FAST or SLOW
• Measurement Range: LOW/30 to 90 dB, MID/50 to 110 dB, HI/70 to 130 dB
• Precision: ± 1.4 dB
• Dynamic Range: 60 dB
• Warning Function: OVER: Exceeding the Measurement Range UNDER: Below the Measurement Range
• power supply: 9V battery 006P
• battery Life Time: About 60 Hours (alkaline battery)
• environment ***d: Temperature/0 to + 40 °C, Humidity/10 to 90 %RH, Altitude/< 2000 m