• BK Precision 735 Class 2 Sound Level Meter - icon
  • BK Precision 735 Class 2 Sound Level Meter, left view - icon
  • BK Precision 735 Class 2 Sound Level Meter, right view - icon
  • BK Precision 735 Class 2 Sound Level Meter, rear view - icon
  • BK 735 Function Button chart - icon
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BK Precision® Class 2 Sound Level Meter

Accurately Assesses Your Environment's Noise Levels

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What's special about this sound level measurement tool?

  • Measures the sound pressure of an area within 1 dB, providing a precise survey of your environment's noise level.
  • Meets IEC 60942 Class 2 sound level meter tolerance standards, ensuring accurate results every time
  • RS-232 interface and included software for  automatic data logging, eliminating the stress of manual record keeping.
  • Measuring from  30 dB - 130 dB, the unit is ideal for many applications from quiet home or office environments to packed stadiums.
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BK Precision's 735 Sound Level Meter is a useful tool for technicians needing an accurate, cost-effective instrument that can measure noise pollution, or for the hobbyist or homeowner looking to optimize home noise levels. It’s simple layout makes setup fast and easy, and Windows™ RS-232 software and is included for quick data logging in the field.

Please Note: This product ships in 2 weeks

Part # Description Class Range Weight Price
BK-735 BK Precision 735 Sound Level Meter 2 30 dB – 130 dB 1 lb
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  • Backlit LCD screen for taking measurements in dark areas.
  • Measures instantaneous, minimum, and maximum sound levels at once,  providing a comprehensive evaluation of your area’s decibel level.
  • Auto Power-off features conserves battery power, saving money on replacement batteries.

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    What's included:

  • 735 Sound Level Meter
  • RS-232 Software (Not Compatible with 64-bit Windows Operating Systems)
  • RS-232 Connector Cable
  • AC Power Adapter

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    Measuring
    Standards Applied IEC651 Type 2, ANSI S1.4 Type 2
    Frequency Range 31.5Hz - 8KHz
    Measuring Level Range 30 dB - 130 dB
    Frequency Weighting A / C
    Microphone 1/2 Inch Electret Condenser Microphone
    Display LCD
    Digital Display 4 digits
    0.1 dB Resolution
    0.5 sec Display Update
    Analog Display 50 Segment Bargraph
    1 db Resolution
    50ms Display Update
    Time Weighting 125ms (Fast), 1 Second (Slow)
    Level Ranges Lo: 30 – 80 dB
    Med: 50 – 100 dB
    Hi: 80 – 130 dB
    Auto: 30 – 130 dB
    Accuracy ±1.5 dB (under reference conditions @ 94dB, 1KHz
    Dynamic Range 100 dB
    DC Output 10mV / dB, output impedance approximately 1k ohm
    Environmental
    Operating Temperature 32°F to 104° (0°C to 40°C)
    Operating Humidity 10% to 90% Relative Humidity
    Storage Temperature 14°F to 140°F (10°C to 60°C)
    Storage Humidity 10% to 75% Relative Humidity
    Power
    Power Supply 9V Battery
    Battery Life About 50hrs
    AC Adapter 9V DC
    center pin negative
    (8-15 V DC Max)
    Supply current > 30mADC
    Physical
    Dimensions 10.8" L x 2.5" W x 1.2" H (275mm x 64mm x 30mm)
    Weight, with Battery Installed 10oz (285g)
    Manuals

     

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