13.SPECIFICATIONS
112
13. SPECIFICATIONS
13-1. Analog Section
Input 6-wire
input
(+EXC, +S, -S, -EXC, SHIELD, +SIG, -SIG), remote sensing
Load cell source
DC10V
±
5%, source current max.120 mA
(up to four 350
Ω
load cells can be connected in parallel)
Zero adjustment
0-2 mV/V
Coarse:
Digital control using the coarse adjustment circuit
Fine:
Automatic adjustment using digital calculation
Span adjustment
0.3-3.2 mV/V
Coarse:
Digital control using the coarse adjustment circuit
Fine:
Automatic adjustment using digital calculation
Max. sensitivity
0.3
μ
V/count
Auuracy
Linearity error: <0.01% FS (Typ. 0.005% FS, room temperature)
Zero drift: <0.2
μ
V/
℃
RT1
（
Typ. 0.15
μ
V/
℃）
Gain drift: < 15ppm/
℃
(Typ. 5 ppm/
℃
)
Analog filter:
Bessel type low-pass filter (-12dB/oct)
Cut off frequency selectable from 2, 4, 6, 8 Hz
A/D converter
ΔΣ
method converter
conversion rate: 500/sec
resolution: 24 bit (binary)
Display resolution
1/10000 (1/4 scale division enabled)
1/40000 (1/4 scale division disabled)
