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CA834 Recording Sound Level Meter

CA834 Recording Sound Level Meter

Model: CA 834

Origin: Chauvin-Arnoux / France

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 C.A 834 Recording Sound Level Meter

Monitor your exposure to noise

The C.A 834 Recording Sound Level Meter is designed to evaluate acoustic environments or noise pollution in compliance with the applicable legislation.
Built in a compact, rugged casing, it has a very large recording capacity: 32,000 values

Technical specification:

  • Compliance with IEC 651 type 2
  • 4 measurement ranges: 30 to 130 dB
  • Accuracy: ±1.5 dB
  • Resolution: 0.1dB
  • 2 integration times: fast and slow
  • 2 weighting curves: dB(A) et dB(C)
  • Memory: 32,000 values
  • Acquisition rate: 1s to 1h
  • RS232 output: data extraction, possibility of control from a PC to increase recording capacity
  • Tripod mounting
  • Supplied with data processing software
  • Dimensions 205x60.5x38 mm / weight: 230g


C.A 833 Calibrator: source adjusted to 94 and 114 dB

Technical specifications of C.A 834

 Model C.A 834
 Standard compliance IEC 651 type 2
 Type of microphone Condenser microphone
 Measurement range:
 4 measurement ranges
 from 30 dB to 130 dB
30 dB to 80 dB
50 dB to 100 dB
80 dB to130 dB
30 dB to 130 dB (auto-range)
 Display: LCD

Digital

4 digits
Resolution: 0.1 dB
Display update: 0.5 s
Analogue

50 segment bargraph
Resolution: 1 dB
Display update: 50 ms
 Accuracy ± 1.5 dB
 Frequency dynamics 31.5 Hz to 8 kHz
 Frequency weighting A & C curves (as per IEC 651)
 Time weighting      FAST: 125 ms
SLOW: 1 s
 RS232 input / output signal 9600 bps / no parity / 8 bits / 1 stop bit
 Memory 32,000 data (acquisition rate from 1s to 1h)
 Utility software for WINDOWS 95 / 98 / NT 4.0 or higher version
 Analogue output AC output 1 VRMS at full scale
Impedance:100 Ω
DC output  10 mV / dB
Impedance:1 kΩ 
 Operating conditions
Temperature 0 to 50 °C
Humidity < 80 % HR
 Storage conditions  
Temperature -20 °C to +60 °C
Humidity < 80 % HR
 Dimensions 205 x 60.5 x 38 mm
 Weight 230 g

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