YF-20 Analogue Sound Level Meter

PRODUCT FEATURES :

• A & C weighting networks comply with standards.
• 0.5″ standard microphone head.
• Time weighting (Fast & Slow) dynamic characteristic modes
• Build External calibration VR.
• Auto range & Manual range selection.
• Available for external calibration adjustment.
• Memory function to store the Max. & Min. value.
• Hold and Peak Hold functions.
• Real time SD memory card Datalogger, it Built in Clock and Calendar, real time data recorder, sampling time set from 1 second to 3600 seconds
• Innovation and easy operation, computer is not need to setup extra software, after execute datalogger, just take away the SD card from the meter and plug in the SD card into the computer, it can Download PDF the all the measured value with the time information (year /month /date /hour /minute /second ) to the Excel directly, then user can make the further data or graphic analysis by themselves.
• SD card capacity: 1 GB to 16 GB.
• Measurement Range: 30 – 130 dB.
• Range selector: Auto range 30 to 130dB , manual Range: 3 range, 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step,with over & under range indicating
• Resolution”: 0.1 dB.
• Frequency: 31.5 to 8,000 Hz.
• Microphone type: Electric condenser microphone
• Microphone size: Out size,12.7 mm DIA.(1/2inch)
• Calibrator: B & K (Bruel & kjaer), MULTIFUCTION ACOUSTIC CALIBRATOR 4226.
• Datalogger sampling time setting range: Auto 1 second to 3600 seconds
• Data Output RS 232/USB PC computer interface.

Download PDF