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| Type of Product | Buzzer Alarm Sound Level Meter |
| Range | Selectable -- Lo：30 dB to 80 dB, Med: 50 dB to 100 dB, Hi：80 dB to 130 dB, Auto：30 dB to 130 dB |
| Accuracy | ±2.0 dB |
| Power Supply | 3×AA 1.5 V LR6 battery, or Type-C |
Type of Product |
Buzzer Alarm Sound Level Meter |
Range |
Selectable -- Lo：30 dB to 80 dB, Med: 50 dB to 100 dB, Hi：80 dB to 130 dB, Auto：30 dB to 130 dB |
Accuracy |
±2.0 dB |
Power Supply |
3×AA 1.5 V LR6 battery, or Type-C |
Time Weighting |
FAST: 125 ms, SLOW: 1s |
Frequency Weighting |
A & C |
Package Contains |
Sound Meter, Black Carry Case, Manual |
Standard |
IEC61672-1 CLASS2 |
Application |
Safety engineers, health, industrial safety offices and sound quality control in various environments like construction, factories, schools, offices, traffic access, household, stereos, etc. |
Model No |
B-403 |
Frequency Range |
31.5 Hz to 8 kHz |
Response Time |
Selectable: FAST/SLOW |
Dynamic Range |
50 dB |
Battery Life |
About 30 Hours |
Sampling Rate |
2 Times Per Second |
Display Type |
4 Digit LCD Display |
Size |
235×68×30 mm |
Measurement Range |
30 dB to 130 dB |
Country of Origin |
India |
Function |
MAX, MIN, HOLD |
Name of Manufacturer/Packer/Importer |
Rameshtha Enterprises |
Indicator Type |
Over-Range |
Auto Shutoff |
After 15 min. of inactivity |
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