Measurement Computing DaqBoard 3000USB Series - Manual (Page 96)

7-2 DaqBoard/3000USB Series Specifications 928691 Note: Specifications are subject to change without notice.
Physical Attributes:
Dimensions: 152.4 mm W x 150.62 mm D (6.0” x 5.93”)
Weight: 147 g (0.32 lbs)
Analog Inputs
Channels: 16 single-ended or 8 differential. Programmable on a per-channel basis as single-ended or
differential. 4 differential channels can be assigned to thermocouples
=
Over-Voltage Protection: ±30V without damage
Voltage Measurement Speed: 1 µs per channel
Ranges: Software or sequencer selectable on a per-channel basis.
±10V, ±5V, ±2V, ±1V, ±0.5V, ±0.2V, ±0.1V
Input Impedance: 10M
Ω single-ended; 20MΩ differential
Total Harmonic Distortion: -80 db, typical for ±10V range, 1 kHz fundamental
Signal to Noise and Distortion: 72 db, typical for ±10V range, 1 kHz fundamental
Bias Current: 40pA typical (0°C to 35°C)
Crosstalk: -67 dB typical DC to 10 kHz
Common Mode Rejection: -70 dB typical DC to 1 kHz
Maximum Usable Input Voltage
+ Common Mode Voltage*
Ranges Maximum
(CMV + V
in
)
5, 10V 10.5V
0.1, 0.2, 0.5, 1, 2V 6.0V
=
DaqBoard/3035USB and DaqBoard/3031USB each support a total of 64SE (or 32 differential) channels.
Worst Case Temperature Measuerment Error vs. PDaq3000 Ambient Temperature
with Thermocouple at 0ºC (Excludes Thermocouple Error)
AutoZero Enabled
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-30 -20 -10 0 10 20 30 40 50 60 70
Ambient Temperature (ºC)
Te
m
pe
ra
ture
Me
a
s
ure
m
e
nt
E
rror (
ºC)
f
or Ty
pe
s
T, J
, K, E
,
R, S
J
K
T
E