VTI Instruments Corp.
18
EX1629 Introduction
EX1629
S
PECIFICATIONS
G
ENERAL
S
PECIFICATIONS
C
HANNELS
48 differential inputs
F
UNCTIONS
(S
TRAIN
)
Quarter 120 Ω, Quarter 350 Ω, Quarter User-Defined,
Half-Bending, Half-Poisson,
Full-Bending, Full-Poisson, Full-Bending Poisson
F
UNCTIONS
(N
ON
-
STRAIN
)
Voltage, Ratiometric, Linear
S
AMPLING
R
ATE
For All Channels
For 16 Channels
30 settings from 1 Sa/s to 10000 Sa/s per channel
Up to 25000 Sa/s (see
A/D
C
ONVERSION
24-bit ΔΣ converter per channel
G
AINS
1, 10, or 100, software selectable
N
ETWORK
C
ONNECTION
10/100 Base-T Ethernet
I
NPUT
C
ONNECTOR
RJ-45
B
RIDGE
E
XCITATION
R
EGULATION
Independent high-side and low-side control on a per channel basis
H
IGH
-
SIDE
R
ANGE
0 to +8 V
L
OW
-
SIDE
R
ANGE
0 to -8 V
R
ESOLUTION
14-bit (500 µV)
S
ENSE
Local or remote
C
URRENT
O
UTPUT
50 mA per channel, short circuit limited to 60 mA
S
ET
P
OINT
A
CCURACY
(0.04% + 2 mV) typical, (0.07% + 10 mV) maximum, for │V
EXC
│> 20 mV
S
TABILITY
(20
ppm/ C + 20
V/ C) typical, (30
ppm/ C + 60 V/ C) maximum
R
ESPONSE
T
IME
Suddenly changed load
< 20 µs to stabilize within 1% of setting
B
RIDGE
C
OMPLETION
R
ESISTOR
V
ALUE
120 Ω, 350 Ω, and user-specified, software selectable
User value available as factory option.
R
ESISTOR
S
TABILITY
5 ppm/ C
I
NPUT
C
ONNECTOR
L
EAD
R
ESISTANCE
30 mΩ minimum, 60 mΩ maximum, matched to <5 mΩ within each channel
B
ACK
-
HALF RESISTORS
10 kΩ/10 kΩ, 0.1
%,
2 ppm/ C
