Discription
Lutron SL-4012 Sound Level Meter is a device used to measure sound levels in industrial applications. This Portable Sound Level Meter has a measuring range of up to 30 – 130 decibels.
Features of Lutron SL-4012 Sound Level Meter :
- Large LCD display, easy to read
- The main functions are designed to meet IEC 651 type 2
- A & C weighting networks comply with standards
- 0.5″ standard microphone head
- Time weighting (Fast & Slow) dynamic characteristic modes
- AC output for system expansion
- RS232 computer interface
- Auto range & Manual range selection
- Available for external calibration adjustment
- Condenser microphone for high accuracy & long-term stability
- Memory function to store the Max. & Min. value
- Hold and MAX. Hold functions
- LCD display for low power consumption & clear read-out even in bright ambient light condition
Specification
| Manufacturer | Lutron |
|---|---|
| Model | SL-4012 |
| Measuring Range | 30 – 130 dB |
| Range Selection | Auto range: 30 to 130 dB Manual range: 3 range, 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step, with over & under range indicating |
| Frequency | 31,5 to 8.000 Hz |
| Resolution | 0.1dB |
| Display | 52 mm x 32 mm LCD (Liquid crystal display), 5 digits with annunciator |
| Function | dB (A & C frequency weighting), Time weighting (Fast, Slow), Hold, Memory (Max. & Min.), Max. hold, AC output, RS232 output |
| Microphone type | Electric condenser microphone |
| Microphone size | Out size, 12.7 mm DIA. (0.5 inch) |
| Calibrator | B&K (Bruel & Kjaer) multifunction acoustic calibrator 4226 |
| Operating Temperature | 0 to 50 °C |
| Operating Humidity | Less than 80 % RH |
| Output | AC output: AC 0.5 Vrms corresponding to each range step Output impedance – 600 ohm RS232 output |
| Terminals | Terminal 1: RS232 computer interface terminal, photo couple Output terminal: isolated Terminal 2: AC output terminal Terminal socket size: 3.5 mm dia. phone socket |
| Calibration | Build in external calibration VR, easy to calibrate on 94 dB level by screw driver |
| Power Consumption | Approx. DC 6 mA |
| Dimensions | 268 x 68 x 29 mm |
| Weight | 285 Grams |
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