Technical |
Standards | IEC61672: 2002 Class 2, ANSI S1.4: Type 2 (1983) |
Filters | IEC61260: Class 0, ANSI S1.43: (1996) |
Note | IEC61672 replaces 2 obsolete standards, IEC60651 andIEC60804 |
General |
Measurement range | 20-140dB RMS (143.3dB peak) |
Total Noise floor | 25dB(A) Class 2 |
Time weightings | Fast, Slow and Impulse simultaneously |
Frequency weightings | A, C and Z (un-weighted) simultaneously |
Amplitude weighting (Q) | 3, 4 and 5 simultaneously |
Back erase | Last 10s in cumulative mode |
Timers | Duration 1s-24h |
On/Off timer | 6 sets with selectable times and a repeat function |
Physical |
Tripod mount | 1/4" Whitworth socket |
Batteries | 3x AA Alkaline, 10-15 hours dependent on back light |
External power | 9-14V DC at 150mA |
Weight | 332g including batteries |
Size | 230x72x31mm inc preamp and microphone |
Measured Parameters |
Broadband | LXY, LXYmax, LXYmin, LXeq, LXpeak, Lavg, LC-LA, LXIeq, LTM3, LTM5, LAE.Workplace dose values are calculated within insightsoftwareCEL-633 model additionally stores 5x Ln values. For time history data, all parameters are logged for period times plus 6 selectable profile parameters (plus 5x Ln values on CEL-633). |
Memory | Memory: 2GB (>1 year logging when set to 1 second interval, 999 runs). All parameters stored and accessible via Casella insight. Total measurement runs: 999.Events: 999 events/run. 10 hours of audio recording in high quality mode, 60 hours in low quality mode. For long term unattended monitoring the CEL-630 takes a new run daily for up to a total of 400 days. |
Audio Recording | Low Quality: 8,000 samples/s at 8bit (64kb/s), up to 4kHz High Quality: 24,000 samples/s at 8 bit (192kb/s), up to 12kHz |
Environmental | Operating 0 to 90%RH in the absence of condensation Conditions: Temperature of -10 to +50°C (Class 1) and 0 to 40°C (Class 2) Atmospheric pressure of 65 to 108kPa. |
Languages | User interface can be changed via the menu: English, French, German, Spanish, Italian, Portuguese, Chinese. |