Sartorius PR 5211 Series - 10 Technical Data; Weighing Electronics; Accuracy and Stability; Sensitivity

Technical Data PR 5211 Instrument Manual
EN-84 Sartorius
10 Technical Data
The characteristic data are valid after a min. warm-up time of 30 minutes (reference temperature 23° C).
Values specified without tolerances are average values and are only used for information.
10.1 Weighing Electronics
Principle DC voltage, Delta-Sigma conversion, ratiometric to the load cell supply
voltage
Measuring time Min. 10 ms to max 1920 ms)
Analog filter 1
st
order low-pass filter, cut-off frequency 70Hz
Digital filter Active 4
th
order (low-pass) Bessel, Aperiodic or Butterworth filter, cut-off
frequency adjustable (max. 0.25/measuring rate or approx.1.56 Hz)
10.1.1 Accuracy and Stability
Accuracy class
≤
6000 d
Min. meas. signal
≥ 0.25 mV/V or > 3 mV for 6000 e
≥ 0.125 mV/V or > 1.5 mV for 3000 e
Linearity error < 0.002 %
Zero stability error TK
0
< 0.02 µV/K RTI
SPAN stability error TK
Spn
< +/- 2 ppm/K
10.1.2 Sensitivity
Sensitivity 0.5 µV/d @ 6000d
0.5 µV/d @ 3000d
0.2 µV/d
Resolution internal Approx 4.8 Mio steps for 36 mV
Min. meas. Signal >0.05 mV/V for 3000 d
Input voltage (meas.-signal + deadload) 0 ... max. 36 mV
Deadload range 36 mV - (max. meas. signal); entry/ calibration via software
10.1.3 Load Cells
Load cell connection all strain gauge cells, 6 or 4-wire connection possible.
Load cell supply
U=
±
6 VDC for I
max
= 160 mA, protected by multifuses
Load cell supply circuit
12 V DC for max. 8 load cells each with 650
Ω
for max. 4 load cells each with 350
Ω
Max. load
≥
75
Ω