เครื่องวัดเสียง รุ่น SL811

Digital Multi-function Sound Level Meter

Advantage:

• CE marked
• Conforms to the IEC651 TYPE 2 and ANSI S1.4 TYPE 2 set standards
• Wide measurement range of 30-130dB and Instantaneous sound measure function
• With two equivalent weighted sound pressure levels, A and C
• With fast and slow dynamic characteristic modes
• AC and DC signed output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
• Equipped with windscreen that filters the undesired or unwanted signal
• With Bar-graph Indicating & Max Value Holding with large LCD screen and 4-digit LCD display readings
• With Tripod mounting provision on the back of the unit for field use
• Optional RS232C interface and software

Brief Specifications:

• 7 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 Hz
• 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
• 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
• Weight : 500g
• Battery : 1*9v(6f22)