Professional Soud Level Meter LA-958

Professional Soud Level Meter LA-958
FEATURES:
â—†Comply with IEC61672-1 CLASS2 standard
â—†Max/Min record
â—†Over range indication
â—†Under range indication
â—†Time, data transmission display
â—†A & C Weighting
â—†Selectable response time: FAST/SLOW
â—†Analog AC/DC outputs for connection to
frequency analyzer or X-Y shaft recorder
â—†PC real-time monitoring, recording and memory
â—†4digits LCD display with a resolution of 0.1dB
â—†Sampling time: 2 times/second.
SPECIFICATIONS:
Applied Standard:
IEC61672-1 CLASS2
Accuracy:
±1.4dB
Frequency Range:
31.5Hz～8kHz
Dynamic Range: 50dB
Measuring level Range:
Lo：30dB～80dB
Med：50dB～100dB
Hi： 80dB～130dB
Auto:30dB～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 â–¡
65500 readings â–¡
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
Dimension:
(L*W*H)

252*66 *33 mm
Weight: 262g