VTI Instruments EX1629 - EX1629 Specifications

VTI Instruments Corp.
18 EX1629 Introduction
EX1629 SPECIFICATIONS
GENERAL SPECIFICATIONS
CHANNELS
48 differential inputs
FUNCTIONS (STRAIN)
Quarter 120 Ω, Quarter 350 Ω, Quarter User-Defined,
Half-Bending, Half-Poisson,
Full-Bending, Full-Poisson, Full-Bending Poisson
FUNCTIONS (NON-STRAIN)
Voltage, Ratiometric, Linear
SAMPLING RATE
For All Channels
For 16 Channels
30 settings from 1 Sa/s to 10000 Sa/s per channel
Up to 25000 Sa/s (see Explanation of Specifications for limitations.)
A/D CONVERSION
24-bit ΔΣ converter per channel
GAINS
1, 10, or 100, software selectable
NETWORK CONNECTION
10/100 Base-T Ethernet
INPUT CONNECTOR
RJ-45
BRIDGE EXCITATION
REGULATION
Independent high-side and low-side control on a per channel basis
HIGH-SIDE RANGE
0 to +8 V
LOW-SIDE RANGE
0 to -8 V
RESOLUTION
14-bit (500 µV)
SENSE
Local or remote
CURRENT OUTPUT
50 mA per channel, short circuit limited to 60 mA
SET POINT ACCURACY
(0.04% + 2 mV) typical, (0.07% + 10 mV) maximum, for │V
EXC
│> 20 mV
STABILITY
(20 ppm/ C + 20 V/ C) typical, (30 ppm/ C + 60 V/ C) maximum
RESPONSE TIME
Suddenly changed load
< 20 µs to stabilize within 1% of setting
BRIDGE COMPLETION
RESISTOR VALUE
120 Ω, 350 Ω, and user-specified, software selectable
User value available as factory option.
RESISTOR STABILITY
5 ppm/ C
INPUT CONNECTOR LEAD RESISTANCE
30 mΩ minimum, 60 mΩ maximum, matched to <5 mΩ within each channel
BACK-HALF RESISTORS
10 kΩ/10 kΩ, 0.1%, 2 ppm/ C