Datasheet

www.vishaymg.com [e-mail] Document Number: 11271
48 Revision 12-Oct-06
System 7000
Vishay Micro-Measurements
StrainSmart
®
Data Acquisition System
INPUT CONNECTOR:
Eight-pin TIA/EIA RJ-45 (Amp type 554739 or equivalent)
AMPLIFIER:
Zero Temperature Stability: ±1µV/°C RTI, after 60-minute
warm-up
DC Gain Accuracy and Stability: ±0.05%; ±50ppm/°C (1 year
without periodic VCAL)
Analog Input (including full-scale balance):
Low Range: ±50mV
High Range: ±220mV
Linearity: ±0.02% of Full Scale
Common-Mode Rejection: >90dB (dc to 60Hz)
Common-Mode Voltage Range: ±12V typical
BALANCE:
Type: Software (mathematical)
Range: Full ADC Range
EXCITATION:
Selection: Software controlled
Resolution: 1mV
Accuracy: ±4mV typical (Firmware measures excitation
variations during arming process)
Current: 50mA max. per channel
Over-current limited
Over-current indication
Load Regulation: <0.05% of full scale for 10% to 100% of full
scale load with remote sense
Temperature Stability: ±10ppm/°C
QUARTER-BRIDGE COMPLETION:
Selection: Firmware-controlled
Accuracy and drift:
120Ω and 350Ω: ±0.01%, 2.8ppm/°C max.
1kΩ: ±0.01%, 1.6ppm/°C max. (socketed)
SHUNT CALIBRATION:
Selection: Firmware-controlled
Configuration:
Internal: P- to D120, P- to D350, P- to D1000
Remote: RcalA to RcalB
Sockets: Tin-plated
Levels: Simulates 10000µε @GF = 2.0
Values:
P- to D120: 5940Ω ±0.1%
P- to D350: 17325Ω ±0.1%
P- to D1000: 49500Ω ±0.1%
SYSTEM CALIBRATION:
Firmware-controlled
Calibration voltage: Supplied by Model 7000-SM-VC voltage
calibration card
Type: Ten point, 100 samples/point. Least squares
regression of mean values
SIZE:
6.5 L x 6.5 W x 0.9 H in (165 x 165 x 23mm)
WEIGHT:
0.45lb (0.2kg)
MODEL 7003-8-TC THERMOCOUPLE INPUT CARD
The Model 7003-8-TC Thermocouple Input Card is used in
conjunction with the Model 7003-8-A-I Analog Input Card to
perform signal conditioning and cold-junction compensation
for thermocouple types J, K, T, E, N, R, S, and B.
CHANNELS:
Eight per card
INPUTS:
Supported thermocouple types: J, K, T, E, N, R, S, B
Cold-junction compensation, software-selectable
Open-sensor detection
Input Impedance: 220MΩ nominal each input
Input Connectors:
Five-position connector with screw terminals
AMPLIFIER:
Zero Temperature Stability: ±2µV/°C RTI, ±10µV/°C RTO,
after 60-minute warm-up
DC Gain Accuracy and Stability: ±0.1%; ±30ppm /°C
Linearity: ±0.02% of Full Scale
Common Mode Rejection (dc to 60Hz): >90dB
Common Mode Voltage range: ±12V typical
MEASUREMENT RANGE AND RESOLUTION:
Range: ±81.9mV
Resolution: 1°C minimum
ACCURACY:
±2°C
SIZE:
6.5 L x 6.5 W x 0.9 H in (165 x 165 x 23mm)
WEIGHT:
0.45lb (0.2kg)
Excitation
Volts
Measuring Range
Includes Full Scale Imbalance
με@GF=2 mV/V
0 48 000 24
0.25 100 000 50
0.5 96 000 48
0.75 70 000 35
1 48 000 24
2 24 000 12
3 16 000 8
4 50 000 25
5 40 000 20
6 35 000 17.5
7 30 000 15
8 25 000 12.5
9 20 000 10
10 20 000 10