DIGITAL SOUND LEVEL METER "SIGMA"
Features:
• LCD digital display
• Wide dynamic range
• Auto/Manual range
• Fast/Slow response selectable
• MAX value hold function
• A/C weighting selection
• Backlight
• Low power indication
• With AC & DC Analog output
• External DC 9V power supply terminal
• AC Output Terminal: 0.707 Vrms corresponding to each range step
• DC Output Terminal: Output 10mV/dB
Specification:
• Measurement range: 30dB ~ 130dB
• Unit: dB
• Accuracy: ±1.5 dB (under reference conditions)
• Frequency Range: 31.5Hz ~ 8.5KHz
• Resolution: 0.1dB
• Display: 3 1/2 digits
• Sample rate: Fast 2 times/s, Slow 1 times/s
• Battery voltage: 1 X 9Valkaline cell