BK Precision 735 数字声级计

Frequency range: 31.5Hz ~ 8KHz 
Measuring level range: 30 ~ 130dB 
Dataloger:32000 records.
Frequency weighting: A / C 
Microphone: 1/2 inch electret condenser microphone 
Display: LCD 
Digital display: 4 digits 
Resolution: 0.1dB 
Display Update: 0.5 sec. 
Analog display: 50 segment bargraph 
    Resolution: 1dB 
Display Update: 50 mS 
Time weighting: FAST (125mS), SLOW (1 sec.) 
Level ranges: Lo:  30  – 80 dB 
Med: 50 – 100 dB 
Hi:   80 – 130 dB 
Auto: 30 – 130 dB 
Accuracy:  ±1.5dB (under reference conditions @ 94dB, 1KHz)  
Alarm function: “OVER” is when input is more than the upper limit of range.  
  “ UNDER ” is when input is less than the lower limit of range.     
MAX/MIN hold: Holds readings the Maximum and Minimum Value.  
AC output: 1 Vrms                                
DC output: 10mV / dB
Power supply: One 9V battery
Electromagnetic Compatibility: 
RF field = 3V/m 
Total accuracy = specified accuracy + 0.5dB 
Dimensions (L x W x H): 10.8  × 2.5  × 1.2inch (275  ×  64  ×  30mm)      
Weight: 285g
Accessories: 9V battery, carrying case, Screwdriver, Instruction manual, Windscreen,  software & RS-232 cable


Whether you are testing for OSHA compliance, quieting equipment, or monitoring the roar of a stadium crowd, B&K Precision Sound Level Meters can get the job done. The model 735 Sound Level Meter provides 30~130 dB capability in three convenient measurement ranges Low, Med and Hi with an accuracy of ±1.5 dB. The meter meets the IEC 651 Type II and includes frequency weighting A & C and fast and slow time weighting. Two auxiliary ports provide either AC output, 1Vrms full scale, or DC output, 10mV /dB. With the model 735, B&K Precision can meet all your sound testing needs.

  • Windows Software Included
  • Clock Display
  • 32,000 Records Data Logger
  • RS-232 Interface (not compatible with USB converters)
  • Bargraph
  • MAX/MIN function
  • Auto Ranging (30 ~ 130dB)
  • Resolution 0.1dB
  • Level Range Display
  • AC/DC Signal Output
  • Auto Power Off
  • Backlit LCD
  • Datasheet (PDF)
  • Manual (PDF)


  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化