Casella-cel CEL-368 Instrukcja Użytkownika Strona 88

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
  • Strona
    / 99
  • Spis treści
  • BOOKMARKI
  • Oceniono. / 5. Na podstawie oceny klientów
Przeglądanie stron 87
Correction for microphone extension cable:
No significant effect with CEL extension cables up to 100 m.
With other cables, or for greater accuracy, calibrate after
installation.
Verification reference conditions:
Free field perpendicular incidence,
Ambient temperature: 20
o
C,
Measurement Range: 70 to 140 dB,
Relative Humidity: 65%,
SPL: 114 dB,
Frequency: 1 kHz.
Effect of humidity on accuracy:
Less than 0.5 dB over the range 30 to 90% RH (provided
there is no condensation), relative to the value at 65% RH and
40
o
C.
Storage range: 20 to 95% RH non-condensing.
Effect of temperature on accuracy:
Less than 0.5 dB over the range -10 to +50
o
C.
Storage range: -20 to +60
o
C.
Effect of vibration on accuracy:
Less than 6 dB when tested according to IEC 651 clause 8.3.
Effect of magnetic fields on accuracy:
Negligible at all sound levels.
CEL-268/368 Handbook
Page - 87
Przeglądanie stron 87
1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 98 99

Komentarze do niniejszej Instrukcji

Brak uwag