3
⚫
A & C Weighting
⚫
FAST & SLOW response
⚫
Analog AC/DC outputs for connection to frequency
analyzer or X-Y shaft recorder
3. SPECIFICATION
Standard applied:
IEC61672 -1 CLASS2
Accuracy:
±1.4dB
Frequency range:
31.5HZ ~ 8KHZ
Dynamic range:
50dB
Memory:32700
Level ranges:
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:
4 digits LCD display with a resolution of 0.1dB
Display Update:
2 times/sec.
MAX hold:
Hold the Maximum reading
MIN hold:
Hold the Minimum reading
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
