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SMART SENSOR - Digital Sound Level Meter AS844+

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SMART SENSOR -  Digital Sound Level Meter AS844+
Brand : Smart Sensor
Model : AS844+


Product Descriptions


Want to test the sound level? Need to know the noise level? Try our digital sound level meter. It's featured with wide measuring range (30-130dB). It's portable and easy to use as a handy instrument for sound quality control in factory, office, home, school and construction site.
 
Product Features

  • Data storage function allows to store up to 15,000 groups of data.
  • Connect with the computer through USB cable, which supports data record download, real-time sampling analysis, and graph & data printing.
  • Real time display the current temperature (¡æ/¨H switchable) and humidity.
  • 2.7'' large LCD display for easy reading, convenient to use.
  • Wide measurement ranges from 30dB to 130dB, Frequency: 31.5Hz - 8KHz, Resolution: 0.1dB, Accuracy: ±1.5dB.
  • With A and C equivalent weighted sound pressure levels.
  • Fast and slow dynamic characteristic mode.
  • Both AC and PWM signal output are available.
  • Low battery indication, automatic & manual power off function.
  • Equipped with sponge ball and a sturdy storage case. Compact and light, convenient to hold and carry.
  • Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.
Technical Specifications

Specification Details
Material ABS
Calibration Sound Source 94dB @ 1kHz
Measuring Range 30~130dBA, 35~130dBC
Accuracy ±1.5dB (94dB @ 1kHz reference)
Frequency Response 31.5Hz ~ 8.5kHz
Resolution 0.1dB
Measuring Levels 30~80, 50~100, 60~110, 80~130, 30~130
Dynamic Range 50dB / 100dB
Overload Indication OVER / UNDER
Frequency Weighting A weighting and C weighting
Digital Display 3½ digits
Analog Bar Graph 1dB per bar
Sampling Rate 20 times per second
AC Signal Output 1Vrms (full bar graph), 600Ω output impedance
Dynamic Characteristics Fast / Slow
Data Storage 15,000 groups
Auto OFF 10 minutes
Microphone 1/2 inch ECM type microphone
Working Voltage 3.7V lithium battery or USB 5V
Battery Standby Time 12 hours continuous use
Temperature Measuring Range 0~45¡æ, ±2¡æ
Humidity Measuring Range 10%¡«99%RH, ±5%
Power Supply 1 × 3.7V 1000mAh Li-ion battery
LCD Size 52 × 43mm / 2.05 × 2.01in
Storage Case Size 238 × 205 × 55mm / 9.37 × 8.07 × 2.16in
Item Size 223 × 65 × 32mm / 8.78 × 2.56 × 1.26in
Item Weight 227g / 8.03oz
Package Weight 740g / 26.11oz
Package Size 25.5 × 21 × 5.8cm / 10.04 × 8.27 × 2.28in
 
 
Package List:
1 * Sound Level Meter
1 * Storage Case
1 * USB Cable
1 * Battery
1 * CD
1 * User Manual(English)
 


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