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Analog Calibration Multifunctional Sound Level Meter
Professional Sound Level Meter (30-130 dB) with LCD Backlight
A. Introduction
This equipment has been designed to meet the measurement requirement of Safety Eenineers, Health, Industrial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system.
B. Functions:
1. It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2
2. Accuracy up to +/-1.5dB
3. Measurement range: 30dBA~130dBA
4. With two equivalent weighted sound pressure levels, A and C
5. Fast & Slow dynamic characteristic modes
6. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc
C. Specification
| Measuring Range | 30dBA~130dBA, 30dBA~130dBC |
| Accuracy | ±1.5dB (under reference conditions) |
| Resolution | 0.1dB |
| Frequency range | 31.5Hz~8.5KHz |
| Level range | 30~80, 50~100, 60~110, 80~130, 30~130dB |
| Linearith range | 50dB / 100dB |
| Frequency weighting | A/C |
| Digital Display | 4digits |
| Sample rate | 2 times/second |
| Bar graph |
50 dB scale at 1 dB step for monitoring current sound pressure level display Sample rate: 20 times/second |
| Over indication | OVER / UNDER |
| AC output | 0.707V rms at FS output impedance approx. 600 ohm |
| DC output | 10mV/dB, output impendance approx, 100ohm |
| Time weight | FAST / SLOW |
| Microphone | 1/2 inch electret condenser microphone |
| Max Hold | MAX |
| Operating condition | -10~60°C 10%~80%RH |
| Storage condition | 0~40°C 10%~70%RH |
| Power supply | 1.5V AA alkaline cells or DC 6v 100mA (maximum DC9V) |
| Power life | About 30 hours (alkaline battery) |
| Self calibration time | 3 s |
| Weight | 230g (including battery) |
| Dimension | 207x70x29mm |
E,One Set Included
- 1 x Sound Level Meter
- 1 x Sponge Ball / Windscreen
- 1 x Output cable
- 1 x Instruction Manual
- Standard factory package
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