Appendix A, Specifications - Ametek 7280 Instruction Manual

Appendix A, SPECIFICATIONS

Signal Channel
A-2
Voltage Inputs
Modes
Full-scale Sensitivity
0.5 Hz ≤ F ≤ 250 kHz
250 kHz ≤ F ≤ 2.0 MHz
Dynamic Reserve
Impedance
Maximum Safe Input
Voltage Noise
C.M.R.R.
Frequency Response
Gain Accuracy
Distortion
Line Filter
Grounding
Current Input
Mode
Full-scale Sensitivity
Low Noise
Normal
Wide Bandwidth
F ≤ 250 kHz
F > 250 kHz
Dynamic Reserve
Frequency Response
Low Noise
Normal
Wide Bandwidth
Impedance
Low Noise
Normal
Wide Bandwidth
Noise
Low Noise
Normal
Wide Bandwidth
Gain Accuracy (midband)
Line Filter
Grounding
A only, -B only or Differential (A-B)
10 nV to 1 V in a 1-2-5 sequence
100 nV to 1 V in a 1-2-5 sequence
> 100 dB
100 MΩ // 25 pF
20 V pk-pk
5 nV/√Hz at 1 kHz
> 100 dB at 1 kHz degrading by 6 dB/octave
0.5 Hz to 2.0 MHz
0.3% typ, 0.6% max.(full bandwidth)
-90 dB THD (60 dB AC gain, 1 kHz)
attenuates 50, 60, 100, 120 Hz
BNC shields can be grounded or floated via
1 kΩ to ground
Low Noise, Normal or Wide Bandwidth
10 fA to 10 nA in a 1-2-5 sequence
10 fA to 1 µA in a 1-2-5 sequence
10 fA to 100 µA in a 1-2-5 sequence
100 fA to 100 µA in a 1-2-5 sequence
> 100 dB (with no signal filters)
-3 dB at 500 Hz
-3 dB at 50 kHz
-3 dB at 1 MHz
< 2.5 kΩ at 100 Hz
< 250 Ω at 1 kHz
< 25 Ω at 10 kHz
13 fA/√Hz at 500 Hz
130 fA/√Hz at 1 kHz
1.3 pA/√Hz at 1 kHz
≤ 0.6% typ
attenuates 50, 60, 100, 120 Hz
BNC shield can be grounded or floated via 1 kΩ
to ground