30 - 130 dB Digital Decibel Sound Level Meter

Features:

• Designed according to following standards:
  a. International Electrician Committee Standard: IEC 651 TYPE 2
  b. US National Standard: ANSI 1.4 TYPE 2
• Accuracy: up to +/- 1.5dB
• Windscreen for Filter-out Unwanted Signals
• Wild Measurement Range: 30-130dB. 7 Measurement Levels for More Precise Result
• Fast (High Speed) Rate to Pick Up the Current Reading
• Slow (Low Speed) Rate to Pick Up the Reading of Average within 1 Second
• A Frequence Weighting for General Sound Level Measurements
• C Frequence Weighting for Checking the Low-frequency Content of Sounds
• Maximum Value Holding Function to Lock up the Maximum Reading
• Multi Value added tripod mounting screw for support setting can facilitate long time recording.
• AC and DC Analogy Signal Output are Available connecting to Frequency Analyzer Level Recorder, FFT Analyzer And Graphic Recorder etc. for Data Statistical Analysis

Accuracy	+/-1.5dB (under reference conditions)
Frequency Range	31.5Hz to 8.5KHz
Linearity Range	50dB
Measuring Level	30-130dB (A)/35-130dB (C)
Digital Display	5 digits
Resolution	0.1dB
Bar Graph	1dB/1 bar graph
Overload Indication	OVER/ UNDER
Frequency Weighting	A and C
Level Ranges	30-80dB, 50-100dB, 60-110dB, 80-130dB
Self Calibration Time	10sec (Every Turn On)
Sampling Rate	20 times/seconds
AC Signal Output	0.707Vrms/ full bar graph, output impedance is about 600ohm
DC Signal Output	10mV/dB,output impedance is about 100ohm
Dynamic Characteristic	FAST (high speed)/SLOW (low speed)
Power Supply	4x AA 1.5V alkaline cells or DC 6V
The Maximum Value Holding	MAX
Microphone	1/2" Electret Condenser microphone
Operating Voltage	6V
External Dimensions	265 x 72 x 35 (mm)
Net Weight	300g (including batteries)
Battery Life	30H (Alkaline Cells)

Standard Package Includes:

• 1x Sound Level Meter
• 1x Sponge Ball
• 4x 1.5V Battery (AA)
• 1x Operation Manual
• 1x Black Plastic Carrying Case