| Standards |
IEC 651.2, ANSI 1.4.2 |
| Parameters |
Lp-Sound Level |
| Measured Leq |
Equivalent Continuous A Sound Level |
| Measured Lmax |
Maximum Sound Level |
| Measured LN |
Percent of All Readings Over Alarm Value Set |
| Testing Range Lp |
30 to 130 dB ( A Weighting ) 35 to 130 dB ( C Weighting ) 40 to 130 dB ( F Weighting ) |
| Testing Range Leq |
30 to 130 dB (10 Seconds, 1 Min, 5 Min, 10 Min, 15 Min, 30 Min, 1 Hour, 8 Hours, 24 Hours) |
| Testing Range LN |
0 to 100 % |
| Resolution |
0.1 dB |
| Accuracy |
1 dB |
| Frequency |
A /C / F (Flat) |
| Time Weighting |
Fast (125 ms) / Slow (1 Second) |
| Microphone |
1/2 Inch Electret Condenser Type |
| Memory |
30 Groups with Measuring Conditions |
| Calibration |
94 dB at 1k Hz (sinusoidal) |
| Frequency Range |
20 to 12, 500Hz |
| Alarm Value Set |
30 to 130 dB |
| Alarm Output |
LED Optional Relay Contact (NC) |
| Indicator |
Low Battery Indicator |
| Dimensions |
236 × 63 × 26 mm |
| External DC |
6V, DC, 100mA |
| Power Supply |
4 × 1.5 V AAA Size (UM-4) Battery |
| Weight |
170 g |
- Permits choice A, C, F weighting and ‘Fast’ / ‘Slow’ response times
- 4 measurement parameters used
- Memorize 30 groups of measurements
- Designed with 4 digit LCD display, function mark, time weighting and weighting icon
- 94 dB at 1k Hz (sinusoidal) Calibration
- Use RS-232 data output to connect with PC
Sound Level Meter is used to test the sound level of environment, machinery, vehicle, ship and other noise also used for industrial environmental protection, construction, health care, teaching and research department.
