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소음계 0815

제품특징

• This unit confirms to the IEC61672-1 CLASS2 for Sound Level Meters.
• MAX & MIN measurements
• Over range display
• Under range display
• A & C Weighting
• FAST & SLOW response
• Digit LCD display with a resolution of 0.1dB,bargraph & white backlight.
• Readings memories
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Standard applied	IEC61672 -1 Type2,ANSI S1.4 Type2
Accuracy	±1.4dB
Frequency rang	31.5Hz~8KHz
Dynamic range	50dB
Level ranges	LO: 30dB~80dB Med: 50dB~100dB
	Hi: 80dB~130dB Auto: 30dB~130dB
Time weighting :	FAST ( 125ms ), SLOW ( 1s )
Microphone	1/2 inch electret condenser microphone
Digital display	4 digits
Resolution	0.1dB
Reading display updata	2 times /sec.
Bargraph display updata	20 times /sec.
Alarm function	“OVER” is show when input is out of range
Analog spar	Fast display of analog (20 times/ sec)
Data hold	50 sets
Maximum hold	Hold readings the Maximum Value, with decay < 1dB/3minutes.
Auto power off	Press the button one time for on /off of backlight，press the button continuously until the number 3,2,1 showing on the screen and then disappear for power off
Power supply	One 9V battery, 006P or IEC 6F22 or NEDA 1604.
Power life	At least 30hours
operation temperature and humidity	0℃~40℃,10％RH~90％RH
Storage temperature and humidity	-10℃~+60℃，10％RH~75％RH
Dimensions	210(L)X55(W)X32(H)mm
Weight	230g(including battery)