Specifications:

• Brand Name: DANOPLUS
• Type: Sound Level Meter
• Time weighting: FAST / SLOW
• Storage environment: -10~40°C temperature / 0~70% RH humidity
• Sampling rate: 2 times/second
• Resolution: 0.1dB
• Power Supply: 4 x 1.5V AA battery or DC 6V 100mA (maximum DC9V)
• Power life: about 30 hours (alkaline battery)
• Over indication: OVER / UNDER
• Operating environment: 0~40°C temperature / 10~85%RH humidity
• Model Number: SLM-269
• Microphone: 1/2 inch electret condenser microphone
• Measurement Range: 30~130dB
• Level range: 30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dB
• Frequency weighting: A / C
• Frequency range: 31.5Hz~8.5KHz
• Digital display: 4 digits
• Accuracy: +/- 1.5dB (under reference condition)