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| Casella 430 Product Information |
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| Broadband measured parameters |
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Instantaneous level Lxy, maximum level Lxymx, minimum level Lxymn, peak level Lxpk, average level (Q=3) Lxeq, average level (Q=4) Lavg, average level (Q=5) Lavg, takmaximal levels Ltm3 & Ltm5, exposure level LxE, |
| Acoustic accuracy |
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ANSI S1.4 (R1997) type 1 and type 2, ANSI S1.43 1997, IEC 61672:2002, IEC 60651 : 1994, IEC 60804 : 2000 |
| Microphone details |
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CEL-251 ½" precision electret capsule for type 1 models, CEL-253 ½" general purpose electret microphone for type 2 models(preamplifier is fixed with industry standard ½" thread) |
| Broadband frequency weightings |
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'A', 'C' and 'Z' (linear, un-weighted, all-pass level) simultaneously |
| Frequency response (Hz) |
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6.3 Hz to 30 kHz for -3 dB down points |
| Time weightings (response) |
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Slow and Fast for rms. |
| Peak frequency weighting |
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'A', 'C' or 'Z' separate from rms. weighting |
| Dynamic range for display |
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120 dB |
| Noise floor (dB) |
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16.5 'A' weighted, 19.7 'C' weighted, 23.4 'Z' weighted |
| Maximum noise level (dB) |
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140 dB rms., 143 dB peak |
| Resolution (dB) |
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0.1 dB across whole measurement range |
| DSP sampling rate (Hz) |
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67,200 Hz sampling with true rms. values calculated digitally |
| Memory storage capability |
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100 complete runs each with the overall values of all parameters selected in the setup (maximum of 9 per run plus start date & time) |
| Storage Method |
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Manually controlled by user via keypad Start and Stop keys |
| Duration for measurement |
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Variable up to 24 hours maximum per run controlled by user |
| Calibration method |
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Automatic detection of calibrator on microphone for both 1 kHz and 250 Hz frequency operation. Meter set to user pre-entered calibrator dB level, date, time and level of selected calibration is stored in meter |
| Configurations saved in memory |
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3 factory defaults plus 2 user configured setups using optional dB30 software |
| Analog outputs |
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AC signal 0.5 V rms. at 98 dB with 22 k Ohms impedance (plus optional log DC output 0 to 2 V for 0 to 140 dB at 14.28 mV/dB) |
| Digital output |
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Download of stored data to pc or remote control of operations of meter via dB30 software via RS232 port at 19200 baud maximum |
| Keypad Control |
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6 individual keys with auto backlight operation on key press |
| Screen languages |
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English, French, German, Italian, Spanish menu selectable |
| LCD screen display |
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128 x 64 pixel monochrome backlit display with icon indicators can show up to 9 parameters simultaneously on screen using Up/Down scroll keys |
| Size |
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13.4 x 4 x 1.5 in (340 x 100 x 40 mm) |
| Weight |
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19.3 oz (550 gm) plus batteries |
| Tripod socket |
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Standard camera thread (1/4 inch) |
| Internal power supply |
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4 off AA alkaline cells (15 hours typical maximum battery life) |
| External power supply |
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12 V dc at 150 mA nominal via 2.1 mm power connector |
Instrument models available |
| Broadband model |
| Acoustic calibrator |
| Foam windscreen |
| Kit case for standard accessories |
| Download cable to computer |
| dB30 Windows™ software for pc |
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| ANSI Type 1 accuracy |
ANSI Type 2 accuracy |
| CEL-430.A1 |
CEL-430.A2 |
| CEL-110/1 |
CEL-110/2 |
| CEL-2962 |
CEL-2962 |
| CEL-6672/2 |
CEL-6672/2 |
| C6724 |
C6724 |
| CEL-6830 |
CEL-6830 |
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Measurement Kits available
to complement the meter and accessories |
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Specify a standard noise measurement kit by adding /K1 after meter part number to include relevant acoustic calibrator, foam windscreen, and foam lined carrying case.
Specify a special pc kit with software by adding /K2 after meter part number to include relevant acoustic calibrator, foam windscreen, pc cable, dB30 software and foam lined carrying case. |
