Atec Astro-Med-Dash-8XE User Manual
Page 7
7.
LIVM Low impedance voltage module with DC current excitation
Channels Per Module
1
A/D
16
bit
SAR
Anti-Aliasing Filter
4 pole Bessel
Isolation
Yes, 250 Vrms or DC to chassis common. *
Connector
Isolated
BNC
Bandwidth
6 Hz to 30 KHz (-3db)
Input
AC
coupled
transducers
with
integral
electronics
Coupling Time Constant
300 ms (+/- 20%)
Zero
Suppression
N/A
Absolute Max Input
+/- 40V
Measurement Ranges
+/- 5000 mV
+/-
500
mV
+/-
200
mV
+/- 50 mV
Max Transient Input
60 V
Accuracy LIVM mode (25°C) 2 % of attenuator
Accuracy Diff mode (25°C) 0.15 % of attenuator
Cold Start Drift
Less than 2% of attenuator
Intrinsic Noise - 50 mV atten .2% of attenuator (pk-pk)
Intrinsic Noise - other attens. .1% of attenuator (pk-pk)
Min Input Impedance
25 KΩ (differential)
IMR at 60 Hz - 5000 mV att 80 dB
IMR at 60 Hz - other attens. 90 dB
Excitation
4
mA
DC
current
Excitation Accuracy
20% (25 ºC)
Excitation Compliance Volt. 18V (23V open circuit voltage)
Excitation Protection
Short Circuit Protected
Module Part Number
32750-070
* Isolation limited to 30 Vrms or 60V DC when non-insulated mating BNC connector used since
hazardous voltage would otherwise be accessible.
Specifications subject to change without notice