Decibel Meter (Range: 30-130db)| Type 1 Sound Level Meter | Professional Decibel Meter | db Meter | Certified Noise Meter for Auditoriums, Vehicle Noise Testing, Theatres | Model: SL-4010

LCD display for low power consumption & clear read-out even in bright ambient light, Large LCD display, easy to read, Fast " time weighting characteristic mode, Hold function to freeze the display value, Small and light weight design allow one-hand operation, * Condenser microphone for high accuracy & long-term stability, Build in adj. VR is available for easy calibration, Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case, Low battery indicator

• Features: Large LCD display, easy to read | External calibration VR | MAX. HOLD function for stored the maximum value | AC/DC output for system expansion | Time weighting and frequency weighting meet IEC 61672 class 2 | A & C weighting networks are conformity to standards | 0.5" standard out size of the microphone.
• Measurement Range: A Weighting- 3 ranges, 30 to 130 dB. And C Weighting- 3 ranges, 30 to 130 dB. | Resolution: 0.1 dB | Accuracy: 1 kHz - ±1.5dB ( after calibration).
• Frequency: 31.5 to 8000 Hz | Operating Temperature: 0°C to 50°C | Operating Humidity: <80% RH | Output Signal: AC Output: AC 0.5Vrms corresponding to each range step | DC Output: DC 0.3 to 1.3V DC, 10mV / per dB | Output impedance - 600 ohm
• Power Supply: 006P DC 9V battery (heavy duty type) or DC 9V adapter input | Output Terminal: 3.5mm dia. The phone output terminal is provided for connection with analyzer, level recorder, tape recorder.
• Supply Scope: 1 unit of Sl-4010 Sound Level Meter, Sensor Probe, Instruction Manual and Factory Calibration Certificate | Applications: Vehicle Noise Testing, Sound Quality Control, Measuring Sound system in Theatres, Schools, Auditoriums, Office