Protmex MS6708 30-130db 30Hz-8kHz Digital Sound Pressure Level Nosie Meters Tester Measurer With Fast/Slow Selection, Data Hold, Backlight, Max/Min, 100 Groups Data Storage

Product Description:
¡ñ With the backlight feature, it is appropriate for gathering the sound data at night. To save power, backlight auto power off function is provided.
¡ñ Composite material injection molding process is adopted for casing with anti-drop structure design. It is not only extremely wear-resisting, but also elegant.
¡ñ With power saving and high-reliability circuit design, well-designed high-efficiency power supply circuit makes the batteries more durable.

Product specification:
¡ñ Sound pressure accuracy: ¡À 1.5 dB (sound pressure standard, 94 dB @ 1KHz).
¡ñ Sound pressure accuracy: ¡À5 dB (sound pressure standard, 94 dB @ 8KHz).
¡ñ Sound pressure frequency response: 30Hz - 8KHz.
¡ñ Dynamic range of sound pressure: 50 dB (for each measurement gear level).
¡ñ Sound pressure measurement scope: 30-130 dB A, 35-130 dB C.
¡ñ Sound pressure frequency weighting characteristics: A and C characteristics.
¡ñ Dynamic characteristic of sound pressure: FAST 125ms, SLOW 1sec
¡ñ Microphone: polarized capacitive microphone.
¡ñ Digital display: 4-digit, resolution: 0.1 dB, sampling rate: 2 times/sec.
¡ñ Analog bar display: Each analog bar represents 1 dB, sampling rate is 20 times/sec.
¡ñ Measurement gear level: 30-80 dB, 40-90 dB, 50-100 dB, 60¡ª110 dB, 70¡ª120 dB, 80-130 dB, 6 gear levels in total.
¡ñ Automatic shifting gear level: microcomputer will automatically select the best gear level in the range from 30 to 130 dB.
¡ñ Below or above limit prompt: indicated with ¡°UNDER¡± or ¡°OVER¡± display.
GENERAL
Power Supply: 4x1.5V AAA Batteries
Product Size: 184mm¡Á60mm¡Á29mm(7.2¡±x2.4¡±x1.1")
Product Weight: 190g(0.41lb)
Category: CE
Packing size: 230*110*56mm
Packing weight: 380g

Package include:
1*MS6708 DIGITAL SOUND LEVEL METER
1*User manual
1*Sponge ball