SMART SENSOR - Digital Sound Level Meter AS844+: 马来西亚的首选 Carlssoon Technologies Sdn Bhd

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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 (℃/! 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℃, ±2℃
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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