Digital Decibel Meter (Range: 30 to 130db) Class 2 Sound Level Meter | db Meter | Professional Decibel Meter | Certified Noise Meter for Auditoriums | Vehicle Noise Testing | Model: SL-4030

Sound Level Meter has 3 range selector i.e. 30 to 80 dB, 50 to 100 dB, 80 to 130 dB with 50 dB on each step over/under range indicating. Its measurement range is A Weighting- 3 ranges, 30 to 130 dB and C Weighting- 3 ranges, 30 to 130 dB features: Large LCD display, easy to read, Time weighting and frequency weighting meet, IEC 61672 type 2, External calibration VR, Condenser microphone for high accuracy & long-term stability, MAX. HOLD function for stored the maximum value, Warning indicator for over and under load, LCD display for low power consumption & clear read-out even in bright ambient light condition, Used the durable, long-lasting components, including a strong, lightweight ABS-plastic housing case, Pocket and light weight design allow one hand operation.

• 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-4030 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