ET-958 USB Sound Level Meter

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◆Comply with IEC61672-1 CLASS2 standard
◆Max/Min record
◆Over range indication
◆Under range indication
◆Time, data transmission display
◆A & C Weighting
◆Selectable response time: FAST/SLOW
◆Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder
◆PC real-time monitoring, recording and memory
◆4digits LCD display with a resolution of 0.1dB
◆Sampling time: 2 times/second.

Applied standard IEC61672-1 CLASS2
Accuracy ±1.4dB
Frequency range 31.5Hz~8kHz
Dynamic range 50dB
Measuring level range Lo:30dB~80dB
Hi: 80dB~130dB
Frequency weighting A & C
Time weighting: FAST 125ms;SLOW ( 1s )
Microphone 1/2 inch electret condenser microphone
Display 4digits LCD display with a  resolution of 0.1dB
Sampling time 2 times/sec
Max Hold MAX
Min Hold MIN
HOLD: Hold the readings
Alarm function “OVER”is when input is more than upper limit of range.
“UNDER”is when input is less than lower limit of range.
Analog output AC/DC  outputs  from earphone outlet

AC=1Vrms ,DC=10mV/dB

Data recording: Meter memory:

262100  readings  □

131000  readings  □

65500   readings   □

PC monitors and records in real-time, each 15,000 readings will be saved one time automatically.

Auto power off Meter automatically shuts down after approx. 15 minutes inactivity.
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


252*66 *33 mm
Weight: 262g

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