5
Input
Input Ranges
(full scale)
(Auto-Range Capability) +27 dBVrms (31.7 Vpk) to -51 dBVrms
(3.99 mVpk) in 2 dB steps
Maximum Input Levels 42 Vpk
Input Impedance 1 MΩ ±10%
90 µF nominal
Low Side to Chassis Impedance 1 MΩ ±30% (typical)
Floating Mode <0.010µF
Grounded Mode ≤100Ω
AC Coupling Rolloff <3 dB rolloff at 1Hz
Source Impedance = 50Ω
Common Mode Rejection Ratio
Single Tone at or below 1 kHz
-51dBVrms to -11 dBVrms Ranges >75 dB typical
-9 dBVrms to +9 dBVrms Ranges >60 dB typical
+11 dBVrms to +27 dBVrms Ranges >50 dB typical
Common Mode Range
(floating mode
) ± 4V pk
IEPE Transducer Power Supply
Current Source 4.25 ± 1.5 mA
Open Circuit Voltage +26 to +32 Vdc
A-Weight Filter Type 0 tolerance
Conforms to ANSI Standard
S1.4-1983; and to IEC 651-1979;
10 Hz to 25.6 kHz
Crosstalk
Between Input Channels, and <-135 dB below signal or
Source-to-Input (Receiving Channel <-80 dBfs of receiving channel, whichever
Source Impedance = 50Ω) response is greater in amplitude
Time Domain
Specifications apply in Histogram/Time Mode, and unfiltered time display
DC Amplitude Accuracy ±5.0 %fs
Rise Time of -1V to 0V Test Pulse <11.4 µSec
Settling Time of -1V to 0V Test Pulse <16 µSec to 1%
Peak Overshoot of -1V to 0V Test Pulse <3%
Sampling Period
1 Channel Mode 3.815 µSec to 2 Sec in 2x Steps
2 Channel Mode 7.629 µSec to 4 Sec in 2x Steps
4 Channel Mode (Option AY6 Only) 15.26 µSec to 8 Sec in 2x Steps
Trigger
Trigger Modes Internal, Source,
External (analog
setting) GPIB
Maximum Trigger Delay
Post Trigger 8191 seconds
Pre Trigger 8191 sample periods
No two channels can be further than
±7168 samples from each other.
External Trigger Max Input ±42 Vpk
External Trigger Range
Low Range -2V to +2V
High Range -10V to +10V
External Trigger Resolution
Low Range 15.7 mV
High Range 78 mV
Tachometer
Pulses per Revolution 0.5 to 2048
RPM 5 ≤ RPM ≤ 491,519
RPM Accuracy ±100 ppm (0.01%)
(Typical)
Tach Level Range
Low Range -4V to +4V
High Range -20V to +20V
Tach Level Resolution
Low Range 39 mV
High Range 197 mV
Maximum Tach Input Level ±42 Vpk
Minimum Tach Pulse Width 600 nSec
Maximum Tach Pulse Rate 400 kHz
(Typical)
(26 pagine)
(221 pagine)
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