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Atec Astro-Med-Dash-8XE User Manual

Page 7

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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