เครื่องวัดเสียง ราคาถูก
Digital Sound Maker รุ่น SL 824
รายละเอียดสินค้า :
Specifications:
7 Sound Levels: 30 ~ 130 dB selectable using the Level Selecting Button switch
level 1: 30 ~ 80dB
level 2: 40 ~ 90dB
level 3: 50 ~ 100dB
level 4: 60 ~ 110dB
level 5: 70 ~ 120dB
level 6: 80 ~ 130dB
level 7: 30 ~ 130dB
Accuracy: ±1.5 dB
Frequency Range: 31.5 Hz to 8.5k Kz
Linearity Range: 50dB
Measuring Level: 30~130dBA, 35~130dBC
Frequency Weighting: A, C
Digital Display: 4 digits
Resolution: 0.1dB
Display: 0.5 secretary
Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS
Level Ranges: 30~80dB, 40~90dB, 50~100dB, 60~110dB, 70~120dB, 80~130dB, 30~130dB
Over indicate over range: Under indicate less than lower limit of the range
AC output: 0.707 Vrms at FS output impedance approx 600 Ω
DC output: 10 mV / dB output impedance approx 100 Ω
Time weighting: Fast / Slow
Microphone: ½ inch electret condenser microphone
Max: Maximum hold
Power Supply: 6F22 9V alkaline cells (30 hrs life span) or DC 9V 100mA
7 Sound Levels: 30 ~ 130 dB selectable using the Level Selecting Button switch
level 1: 30 ~ 80dB
level 2: 40 ~ 90dB
level 3: 50 ~ 100dB
level 4: 60 ~ 110dB
level 5: 70 ~ 120dB
level 6: 80 ~ 130dB
level 7: 30 ~ 130dB
Accuracy: ±1.5 dB
Frequency Range: 31.5 Hz to 8.5k Kz
Linearity Range: 50dB
Measuring Level: 30~130dBA, 35~130dBC
Frequency Weighting: A, C
Digital Display: 4 digits
Resolution: 0.1dB
Display: 0.5 secretary
Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS
Level Ranges: 30~80dB, 40~90dB, 50~100dB, 60~110dB, 70~120dB, 80~130dB, 30~130dB
Over indicate over range: Under indicate less than lower limit of the range
AC output: 0.707 Vrms at FS output impedance approx 600 Ω
DC output: 10 mV / dB output impedance approx 100 Ω
Time weighting: Fast / Slow
Microphone: ½ inch electret condenser microphone
Max: Maximum hold
Power Supply: 6F22 9V alkaline cells (30 hrs life span) or DC 9V 100mA
ราคา ติดต่อทางเรา
จัดส่งฟรีทั่วประเทศ