Casella CEL CEL-368 - Manual (Page 86)

Measurement ranges - CEL-368:
Range W'ghting Display Primary Primary Pulse
Setting Range Linearity Linearity Range
Range* Range Pk values
IEC 651 IEC 804 IEC 804
10-80 A 10-80.1 dB 23-66 dB 23-80 dB 60 dB
C 10-80.1 dB 26-66 dB 26-80 dB 57 dB
Linear 10-80.1 dB 32-66 dB 32-80 dB 51 dB
40-110 A 40-110.1 dB 40-96 dB 40-110 dB 73 dB
C 40-110.1 dB 40-96 dB 40-110 dB 73 dB
Linear 40-110.1 dB 40-96 dB 40-110 dB 73 dB
70-140 A 70-140.1 dB 70-126 dB 70-140 dB 73 dB
C 70-140.1 dB 70-126 dB 70-140 dB 73 dB
Linear 70-140.1 dB 70-126 dB 70-140 dB 73 dB
Note* Lower reading is quoted at +10 dB on noise floor.
Upper reading allows crest factor 5.
Dynamic range:
70 dB.
Accuracy: (under reference conditions)
CEL-268: 0.7 dB,
CEL-368: 1.0 dB.
Typical instrument frequency range (within +0.5 to -3 dB)
CEL-268 - Type 1:
70-140 range: 5 Hz to 63 kHz,
40-110 range: 5 Hz to 63 kHz,
10-80 range:
5 Hz to 28 kHz.
CEL-268/368 Handbook Page - 85