GM1357+ Portable Decibel Meter Sound Pressure Measurement Noise Level Sensor

Features:

• This sound level meter complies with the International Committee IEC651 TYPE2 and the American National Standard ANSI S1.4 TYPE2.
• Accuracy is ±1.5dB.
• The measuring range is 30~130 decibels.
• A and C weight measurement mode selection: A (simulated human ear), C (machine noise).
• Fast/slow reaction rate selection.
• AC and DC signal output, can be connected to the frequency analyzer or XY axis
• Recorder for statistical analysis of data.
• Backlight on/off function.
• Auto power off function

Specifications:

• Accuracy: ±1.5dB (at the reference sound pressure level, 94dB@1KHz)
• Frequency response: 31.5Hz~8KHz
• Measurement position: 30~80, 50~100, 60~110, 80~130, 30~130dB
• frequency weighting Features: A-weight and C-weight characteristics
• Digital display: 4 digits, resolution 0.1dB, sampling rate 2 times / sec.
• Display: 30~130dB: 1 scale represents 2dB. Other gears are: 1 scale represents 1dB .
• Overload indication: oVER / UNDER symbols represent
• Ac signal output: 0.707Vrms / each stall full scale, ohm output impedance of approximately 600
• Dc is signal output: 10mV / dB, the output impedance of approximately 100 ohm
• Dynamic characteristics: fAST (fast), sLOW (slow Speed) Reaction rate
• Microphone: 1/2 inch condenser microphone
• Maximum lock: MAX
• Power supply: 1.5V AA battery 4 or DC 6V 100mA DC power supply can not exceed DC 9V
• Working temperature and humidity: 0~40°C, 10~85 %RH
• Storage temperature and humidity: -10~60°C, 10~70%RH

• 1*GM1357 Portable Decibel Meter Sound Pressure Measurement Noise Level Sensor
• 1*Manual