Sound Level Meter 2031
Features
Type 1 Sound Level Meter for instantaneous SPL Measurements as per IS9779
A, C, Linear frequency weightings
Slow, Fast, Impulse responses.
Max Hold.
DC and AC outputs..
Detachable electret condenser microphone.
Technical Data
| Standards | Designed as per IS:9779- 1981, Type-1 |
| Measuring Range | 30- 134 dB |
| Microphone | ¼” Electet Condenser |
| Calibration | Factory Calibrated, Field calibrated by acoustic calibrator 3022. Software calibration. Calibration traceable to NPL |
| Detector | True RMS |
| Resolution | 0.1 dB |
| Display | LCD, 0.5” 3½ digit |
| Error Indicators | Overload and Under Range indicators |
| Frequency weighting | A,C, Linear as per IS:9779- 1981. |
| Time weighting | Slow, Fast & Impulse, as per IS: 9779- 1981. |
| Parameters | Max Hold, Auto reset or Manual reset. Auto resets reading every 1 second. |
| Battery type | Rechargeable Ni-Cd or Ni-MH batteries |
| Battery Life | Approx 10 hours per full charge |
| Battery Indicator | Low Bat indicator on LCD. |
| Outputs | Analog AC output of selected signal DC proportional to 3mV/dB range adjusted. |
| External Power | External Power Supply 3051 (Optional) |
| Construction | Rugged die-cast, reflection-free, Aluminium enclosure |
| Temperature | 0 to 50 degree Celsius |
| Humidity | 0 to 90% none condensing |
| Dimensions (mm) | 80 (W) x 52 (H) x 315 (L) |
| Weight | 1100 gms (Instrument only); 6 Kg, Full set with carrying case |
| Standard accessories | Battery charger, Microphone, Briefcase type carrying case, Windshield, Operation Manual. |
| Optional Accessories | Acoustic Calibrator 3022, Tripod Stand, Mic Extension cable, Octave Filter Set (3010) |
