产品名称：数字式噪音计

Description

This Sound Level Meter is designed to meet the measurement requirements of safety engineers, health, industrial safety offices and sound quality control in various environments like construction, factories, schools, offices, traffic access, household, stereos, etc.

Function

◆Comply with IEC61672-1 CLASS2 standard

◆Max/Min record/HOLD

◆Over range indication

◆3 color LED for sound level indication

◆A & C Weighting

◆Selectable response time: FAST/SLOW

◆Buzzer alarm

◆Type C power supply

Specifications

Applied standard	IEC61672-1 CLASS2
Measuring range	30dB～130dB
Accuracy	±2.0dB
Frequency range	31.5Hz～8kHz
Dynamicrange	50dB
Selectable range	Lo：30dB～80dBMed：50dB～100dBHi：80dB～130dBAuto：30dB～130dB
Frequencyweighting	A& C
Timeweighting	FAST125ms:SLOW(1s)
Microphone	1/2 inch electretcondenser microphone
Display	4digitsLCDdisplay
Resolution	0.1
Sampling time	2 times/sec
Visualindication	3color LED forsoundlevel indication
Buzzer alarm	Presetoffmode,usercanturniton,5secondsalarm, 1 minute stop circlely
Temp.Range	-20℃～60℃/-4℉～140℉
Resolution	0.1
Accuracy	±1.0℃/1.8℉
Applied standard	IEC61672-1 CLASS2
Measuring range	30dB～130dB
Accuracy	±2.0dB
Frequency range	31.5Hz～8kHz
Dynamicrange	50dB
Selectable range	Lo：30dB～80dBMed：50dB～100dBHi：80dB～130dBAuto：30dB～130dB
Frequencyweighting	A& C
Timeweighting	FAST125ms:SLOW(1s)
Microphone	1/2 inch electretcondenser microphone
Display	4digitsLCDdisplay
Resolution	0.1
Sampling time	2 times/sec
Visualindication	3color LED forsoundlevel indication
Buzzer alarm	Presetoffmode,usercanturniton,5secondsalarm, 1 minute stop circlely
Temp.Range	-20℃～60℃/-4℉～140℉
Resolution	0.1
Accuracy	±1.0℃/1.8℉
Over-rangeIndication	Display"LO"underrangeand"HI"overrange
Humidity Range	10～100%RH
Resolution	1
Accuracy	35～75%RH:±5%RH，others:±7%RH
Auto power off	Autopoweroffapprox.15minutesinactivity
Powersupply	3×AA1.5VLR6battery,orType-C
Battery life	About30 hours