Casella CEL CEL-440 - Manual (Page 57)

Linearity Ranges dB - Type 1:
Meter
Range
Display
Range
Primary
Indicator Range
IEC 60651 &
ANSI S1.4
(1 kHz)
Linearity
Range
IEC 60804
(4 kHz)
Peak
Range
70 - 140 69 - 144 70 - 120 70 - 140 103 - 143
60 - 130 59 - 134 60 - 110 60 - 130 93 - 133
50 - 120 49 - 124 50 - 100 50 - 120 83 - 123
40 - 110 39 - 114 40 - 90 40 - 110 73 - 113
30 - 100 29 - 104 A-wtg 32 - 80
C-wtg 32 - 80
Z-wtg 36 - 80
32 - 100
32 - 100
36 - 100
63 - 103
63 - 103
63 - 103
20 - 90 19 - 94 A-wtg 32 - 70
C-wtg 32 - 70
Z-wtg 36 - 70
32 - 90
32 - 90
36 - 90
53 - 93
53 - 93
53 - 93
10 - 80 9 - 84 A-wtg 32 - 60
C-wtg 32 - 60
Z-wtg 36 - 60
32 - 80
32 - 80
36 - 80
43 - 83
43 - 83
43 - 83
Primary indicator range allows for a crest factor of 10.
On the 10, 20 and 30 dB ranges, the lowest readings are limited by the
self-generated noise of the instrument.
Linearity Ranges dB - Type 2:
Meter
Range
Display
Range
Primary
Indicator Range
IEC 60651 &
ANSI S1.4
(1 kHz)
Linearity
Range
IEC 60804
(4 kHz)
Peak
Range
70 - 140 69 - 144 70 - 126 70 - 140 103 - 143
60 - 130 59 - 134 60 - 116 60 - 130 93 - 133
50 - 120 49 - 124 50 - 106 50 - 120 83 - 123
40 - 110 39 - 114 40 - 96 40 - 110 73 - 113
30 - 100 29 - 104 A-wtg 35 - 86
C-wtg 35 - 86
Z-wtg 38 - 86
35 - 100
35 - 100
38 - 100
63 - 103
63 - 103
63 - 103
20 - 90 19 - 94 A-wtg 35 - 76
C-wtg 35 - 76
Z-wtg 38 - 76
35 - 90
35 - 90
38 - 90
53 - 93
53 - 93
53 - 93
10 - 80 9 - 84 A-wtg 35 - 66
C-wtg 35 - 66
Z-wtg 38 - 66
35 - 80
35 - 80
38 - 80
43 - 83
43 - 83
43 - 83
Primary indicator range allows for a crest factor of 5.
On the 10, 20 and 30 dB ranges, the lowest readings are limited by the
self-generated noise of the instrument.
CEL-440/480 Operators Handbook - Page 57
Specification