PCE Instruments PCE-322A - Technical Specifications

3. 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.