PRODUCT DETAILS

Sound pressure accuracy: +-1.5 dB (sound pressure standard, 94dB @ 1 KHz) Sound pressure accuracy: +-5 dB (sound pressure standard, 94dB @ 8 KHz) Sound pressure frequency response: 30Hz-8KHz Dynamic range of sound pressure: 50 dB (for each measurement gear level) Sound pressure measurement scope: 30-130dBA, 35-130dBC. Sound pressure frequency weighting characteristics: A and C characteristics Dynamic characteristics of sound pressure: FAST 125ms, SLOW 1 sec Microphone: polarized capacitive Microphone. Digital display: 4-digit, resolution :0.1dB, sampling rate: 2 times/sec Analog bar display: Each analog bar represents 1 dB, sampling rate is 20 times/sec Measurement gear level: 30-80 dB, 40-90 dB, 50-100 dB, 60-110 dB, 70-120 dB, 80-130 dB, 6 gear levels in total. Automatic shifting gear level: microcomputer will automatically select the best gear level in the range from 30 to 130 dB Below or above limit prompt: indicate with "UNDER" or "OVER" display Power supply: 4 x 7th batteries of 1.5V each Operating temperature: 0~+40℃ Operating humidity: 10~80%RH Storage temperature: -10~+60℃ Storage humidity: 10~70%RH Outside measurement: 193(L) x 60(W) x 29(H) mm Weight : about 222g (including batteries) Certificate: CE(EMC) RoHS Display: 2000 counts Auto Ranging Auto Power Off Fast Low A Weighting B Weighting MAX Data Hold Display Backlight Low Battery Display Analog Bar Indication Over Range Indication