TM-104 Digital Noise Meter

Application scope
Environmental noise assessment
Workplace noise measurement
Assembly production noise measurement
Home noise
road noise
Product specifications
Applicable standard: IEC61672-1 Class 2
ANSIS1.4 Type 2
Maximum and minimum value lock: When starting, the commonly used MAX and MIN automatic shift are displayed first
Selection of frequency weighting characteristics for A and C
Fast (FAST) Slow (SLOW) Response Time Selection
AC and DC signal output, can be connected to frequency analysis or X-Y axis recorders for data statistical analysis
DC 9V input socket:
Use a power converter to convert AC 100V~240V to DC 9V with a 300mA insertion hole,
Can be used for long-term testing
Fixed screw holes for tripod
Size: 280X80X32mm (length X width X height)
Display 3 1/2 digits
1/2 inch polarized condenser microphone
Resolution 0.1 dB
Accuracy ± 1.8dB (ref 94)dB@1KHz)
measuring range
LO:30~80dB
Med:50~100dB
Hi:80~130dB
Dynamic range 50 dB
Frequency response: 31.5 Hz~8 KHz