IC991-Data Logging Sound Level Meter with ISO Certificate

• High accuracy of ±1.0dB to 1kHz meets Type 2 standards
• Triple range measurement (50dB dynamic range)
• Fast and slow time weighting
• Real-time data logger with integrated SD memory card
• User selectable sampling rate from 1 to 3600 seconds
• Features Peak hold, Data hold and Min/Max hold
• Easy-to-read backlit LCD display
• Tripod mount for long-term monitoring
• Low battery indicator and auto shut off
• The single AC output jack (3.5mm stereo mini-plug) provides analog signals to frequency analysers, level recorders, FFT analysers, graphic recorders, etc

Specifications

• Frequency Weighting: A and C
• Display Type: Digital

Additional Specifications

• Includes: (1) Data Logging Sound Level Meter; (1) ISO Certificate with Full Data and Uncertainties; (1) Windshield Ball; (1) Soft Carrying Case; (6) AA Batteries
• Full Measuring Range: 30 to 130dB
• Dynamic Range: 50dB
• Accuracy: 31.5Hz ±3.0dB, 63Hz ±2.0dB, 125Hz ±1.5dB, 250Hz ±1.5dB, 500Hz ±1.5dB, 1kHz ±1.0dB, 2kHz ±2.0dB, 4kHz ±3.0dB, 8kHz ±5.0dB
• Resolution: 31.5Hz ±3.0dB, 63Hz ±2.0dB, 125Hz ±1.5dB, 250Hz ±1.5dB, 500Hz ±1.5dB, 1kHz ±1.0dB, 2kHz ±2.0dB, 4kHz ±3.0dB, 8kHz ±5.0dB
• Response Time: 500ms
• Frequency Range: 31.5Hz to 8kHz
• Microphone: 0.5" (12.7mm)
• Standard(s) Met: CE, IEC 61672-1-2013, Class 2