BK Precision 5492 - dBm (decibel calculation); Reference Impedance (1); Range and Accuracy

115
! dBm (decibel calculation)
Reference Impedance
(1)
2Ω
ΩΩ
Ω
(2)
4Ω
ΩΩ
Ω
(2)
8Ω
ΩΩ
Ω
(2)
16Ω
ΩΩ
Ω
(2)
50Ω
ΩΩ
Ω
75Ω
ΩΩ
Ω
93Ω
ΩΩ
Ω
110Ω
ΩΩ
Ω
124Ω
ΩΩ
Ω
125Ω
ΩΩ
Ω
135Ω
ΩΩ
Ω
150Ω
ΩΩ
Ω
250Ω
ΩΩ
Ω
300Ω
ΩΩ
Ω
500Ω
ΩΩ
Ω
600Ω
ΩΩ
Ω
(3)
800Ω
ΩΩ
Ω
900Ω
ΩΩ
Ω
1000Ω
ΩΩ
Ω
1200Ω
ΩΩ
Ω
8000Ω
ΩΩ
Ω
(1)
Reference impedance is displayed on the secondary display
(2)
Reading displayed in watts (Audio Power)
(3)
Default reference impedance
Range and Accuracy
Accuracy (dB)
Rate
Voltage
Range
(1,2)
Input Voltage
dBm
(3)
Range
@ 600Ω
ΩΩ
Ω Ref
40 to
50 Hz
50 to
5k Hz
5 to
30 kHz
120mV
1.2V
12V
120V
6mV ~ 120mV
120mV ~ 1.2V
1.2V ~ 12V
12V ~ 120V
-42.20 ~ -16.20
-16.20 ~ 3.80
3.80 ~ 23.80
23.80 ~ 43.80
1.0
0.8
0.8
0.8
1.0
0.6
0.6
0.6
1.0
0.8
0.8
0.8
S
1000V (dc)
750V (ac)
120V ~ 1000V
120V ~ 750V
43.80 ~ 62.22
43.80 ~ 59.72
-
1.0
(4)
-
400mV
4V
40V
400V
20mV ~ 400mV
400mV ~ 4V
4V ~ 40V
40V ~ 400V
-31.76 ~ -5.74
-5.74 ~ 14.26
14.26 ~ 34.26
34.26 ~ 54.26
1.0
0.8
0.8
0.8
1.0
0.6
0.6
0.6
1.0
0.8
0.8
0.8
M & F
1000V (dc)
750V (ac)
400V ~ 1000V
400V ~ 750V
54.26 ~ 62.22
54.26 ~ 59.72
-
1.0
(4)
-
(1)
Auto-ranging is used when dBm function is selected
(2)
In Vac 750V range, 5% over-range is readable
(3)
Reading displayed in dB when REL modifier is used
(4)
For input voltage at frequency between 45Hz to 1kHz
•
••
• 0dBm: 1 mW @ 600Ω
ΩΩ
Ω Reference Impedance.
•
••
• Resolution: 0.01dB at slow and medium rate; 0.1dB at fast rate for all ranges.
•
••
• CMRR: > 90dB for dc signal
•
••
• Response Time: Same as ac voltage and ac current measurements.