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9.
Appendix
SPECIFICATIONS
Analog Specifications
Full Scale Input Signal
Analog Signal Input Range
Analog Signal Sensitivity
Input Impedance
Noise (Referred to Input)
Internal Resolution
Display Resolution
Measurement Rate
Input Sensitivity
System Linearity
Zero Stability
Span Stability
Recommended Recalibration
Calibration Method
Common Mode Voltage
Common Mode Rejection
Normal Mode Rejection
Input Overload
Excitation Voltage
Analog Filter
Digital Filter
Sense Amplifier
RFI Protection
Analog Output
5 to 39 mV including deadload (initial load)
0.6 mV/V - 3.9 mV/V
0.3 microvolts/graduation minimum, 1.0
microvolt/grad recommended
> 10 MΩ
0.3 µV p-p with 2 Hz analog filter, digital filter 4
Selectable: 300,000 - 740,000 counts
>100,000 dd, limited only by internal resolution
and system noise
20 Meas/sec, nominal
Normally 130 nV per internal count, < 60 nV
with expanded resolution or digital filtering
Within 0.01% of FS
140 nV/°C, maximum; 10 nV/°C typical
3.5 ppm/°C, maximum
3 years
By software through front panel, with storage of
voltage and weight constants in EEROM
± 4 V, referred to earth
140 dB, minimum @ 50 or 60 Hz with 2 Hz or
8 Hz analog filter, digital filter 4
90 dB, minimum @ 50 or 60 Hz with 2 Hz
analog filter
80 dB, minimum @ 50 or 60 Hz with 8 Hz
analog filter
± 12 V continuous, static discharge protected
10 ± 0.5 V DC, 16 x 350 Ω load cells
Software selectable: Off, 2 , 8 Hz typical / 3 pole
Software selectable: Off, 1, 2, 4, 8, 16, 32, 64,
128 typical / 3 pole. Enhanced vibration
capability available through Rattletrap
digital filtering.
Differential amplifier with 6-wire sensing
Signal, excitation, and sense lines protected by
capacitor bypass
Optional: fully isolated 0 – 10 V DC or
4 – 20 mA, 14-bit resolution
®
hybrid
Appendix
9-1
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