Transducer Techniques LCA-9PC, Руководство оператора

Страница: 13 / 18

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SPECIFICATIONS
SIGNAL INPUT
Voltage Range ................................ ±2.5 mV min to 100 mV max
Voltage Sensitivity ........................... 0 to 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0 or 10 mV/V
(jumper selectable)
Polarity Reversal ............................. Jumper selectable
Offset Voltage ................................. ±10 µV typ, ±30 µV max
Offset Voltage Tempco .................... ±0.04 µV/°C typ, ±1.2 µV/°C max
Power Supply Rejection .................. ±0.1 µV/V typ, ±0.3 µV/V max
Offset Voltage Aging ....................... ±2 µV/1000h typ, ±6 µV/1000h max
Bias Current .................................... ±0.3 nA typ, ±2.8 nA max
Voltage Noise .................................. 350 nVpp or 56 nVrms typ (0.1 to 10 Hz)
Voltage Noise Density ..................... 12.4
nV/√Hz typ at 1kHz
Differential Resistance .................... 1 G
Ω min
Common Mode Resistance ............. 100
GΩ typ
Common Mode Voltage ................... -5.5V to +5.5V DC
SIGNAL OUTPUT
Amplifier Type ................................. Differential, bipolar
Voltage Ranges ............................... 0 to ±5V, 0 to ±10V (jumper selectable)
Voltage Load ................................... 5 k
Ω min
Span Range .................................... 50 to 4000
Noise and Ripple ............................. See chart on page 14.
Current Source ................................ 0-16 mA, 0-20 mA or 4-20 mA (jumper selectable)
Current Load ................................... 0-
500Ω (10V compliance)
Nonlinearity ..................................... ±0.005% of FS max
Zero Adjust ...................................... ±10% of FS min
Zero Stability ................................... ±0.05% of FS max for 8 hours
Zero Tempco ................................... ±0.003%/°C of FS max
Span Adjust ..................................... ±24% of FS min
Span Accuracy ................................ ±0.05% of FS max
Span Stability .................................. ±0.01% of FS max for 8 hours
Span Tempco .................................. ±0.003%/°C of FS max
Filter Configuration .......................... Two-pole low-pass (jumper selectable)
Filter Frequency Response ............. DC to 0.1, 0.3, 1.0k, 3.0, 10 kHz (-6 dB points)
EXCITATION OUTPUT
Voltage Output ................................ 5 or 10V DC ±2%
Load Current ................................... 0-30 mA
Load Resistance ............................. 350
Ω min
Voltage Tempco .............................. ±0.005%/°C max
Load Cell Connection ...................... 4 or 6 wires (jumper selectable)
Compensation for changes ............. 0.0025% of span max /
1Ω (sum of + and - excitation
in lead resistance lead resistance changes with 6-wire connection to
350
Ω load cell)