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The Sound Level Meter Model CA832 is designed to assess sound ambiences or nuisances in accordance with international safety and quality standards. It complies with standard IEC 651.
The Model CA832 is a portable, compact instrument with a 2000-count backlit LCD. It is designed for simple, one-hand operation and may be fitted on a tripod for long duration measurements. It features two weighting curves A and C for measurement integrating the sensitivity of the human ear according to sound frequency. Curve A is the general-purpose curve in an industrial environment, and C is more suited in presence of low frequency sounds. Also, mode "F" (fast response time) corresponds to the response time of the ear. Mode "S" (slow response time) will be used to obtain a uniform reading when the sound signal level shows fluctuations.
MODEL | CA832 |
MEASUREMENTS | |
Measurement Range | 35 to 80dB 50 to 100dB 80 to 130dB |
Measurement Rate | 2.5 times per second |
Dynamic Range | 50db |
Frequency Range | 31.5 to 8000Hz |
Accuracy | ±1.5dB (ref. 94dB@1kHz) |
Resolution | 0.1dB |
Precision | ±2.0dB |
Display | 2000-count |
Sensor Type | 0.5" electric (prepolarized) condenser microphone True RMS measurement with independent frequency weighting |
Applicable Standard | IEC 651 type 2/ANSI S 1.4 type 2/JIS C 1502 |
Auxiliary Output | DC output: 10mV/dB – 50Ω AC output: 1.0Vrms – 600Ω |
Frequency Weighting | Curves A and C |
Time Weighting | S (slow) and F (fast) |
GENERAL | |
Display | 3½ digit liquid crystal display (LCD), 2000-count |
Operating Temperature | 32° to 122°F (0° to 50°C), 80% RH without condensation |
Storage Temperature | -4° to 140°F (-20° to 60°C), 0 to 80% RH without battery |
Power Source | One 9V Alkaline battery (included) |
Low Battery Indication | is displayed when battery voltage is low |
Dimensions | 9.33 x 2.38 x 1.5" (237 x 60.5 x 38mm) |
Weight | 8.11 oz (230g) including battery |