ET-933 Professional Digital Sound Meter Intelligent Digital Sound Level Meter Volume Sensor Handheld Digital Noise Tester

● Comply with IEC61672-1 CLASS2　Standard.

● Max/Min/Data Hold.

● Over range indication.

● Under range indication.

● A & C Weighting.

● FAST & SLOW response.

● Enable/Disable auto power off function.

Description

Shenzhen FLUS Technology Co., Ltd.

86-755-8968812

[email protected]

Livia:+86 15920088094

Melanie:+86 13510684028

Description

Boat 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 factory, school, construction, etc.

Features

● Comply with IEC61672-1 CLASS2　Standard

● Max/Min/Data Hold

● Over range indication

● Under range indication

● A & C Weighting

● FAST & SLOW response

● Enable/Disable auto power off function

Technical Specification

Applied standard	IEC61672-1 CLASS2
Frequency range	31.5Hz～8kHz
Dynamic range	50dB
Measuring level range	Lo：30dB～80dB Med：50dB～100dB
Measuring level range	Hi：80dB～130dB Auto：30dB～130dB
Accuracy	±1.4dB
Time weighting	FAST 125ms;SLOW ( 1s )
Microphone	1/2 inch electret condenser microphone
Display	3½ digits LCD display with a resolution of 0.1dB
Frequency weighting	A & C
Data update	2 times/sec
Alarm function	“OVER”is when input is more than upper limit of range.
Alarm function	“UNDER” is when input is less than lower limit of range.
Auto power off	Meter automatically shuts down after approx. 15 minutes inactivity. Auto power off function can be disabled
Power supply	One 9V battery, 006P or IEC 6F22 or NEDA 1604.
Battery life	at least 30 hours
Operating conditions	-20℃～60℃，10％RH～90％RH
Storage conditions	-20℃～60℃，10％RH～75％RH
Weight	178g
Dimension(LWH)	1586232mm