Page
5
AD-4408A
3. Specifications
3.1. Analog Section
Input sensitivity
0.15
μ
V/d or greater
Input voltage range
-35 mV to +35 mV (-7 mV/V to +7 mV/V)
Zero adjustment range
-35 mV to +35 mV (-7 mV/V to +7 mV/V)
Load cell excitation voltage
5VDC 5%, 120 mA with remote sensing capability
Load cell drive capacity
Maximum 8 x 350
Ω
load cells
Temperature Zero
0.02
μ
V /°C typ., 0.1
μ
V /°C max.
coefficient Span
3ppm /°C typ., 15ppm /°C max.
Non-linearity 0.005
% of full scale
A/D conversion method
Delta-sigma method
A/D resolution count
Approximately 16,000,000 counts
Display resolution
999,999 d max.
(Less than 20,000 d recommended)
Sampling rate
100 times/second
3.2. Digital Section
Display element
•
Measurement display: 6-digit 7-segment green LED
•
Character height: 14.6 mm
•
Polarity display: 1 green LED
•
Status indicators: 6 red LEDs
Measurement display
•
Switches between NET and GROSS
•
Selectable decimal places (10
1
, 10
2
, 10
3
, 10
4
, 10
5
)
•
Overflow display
All the digits turn OFF. (When the polarity is negative, the
minus sign appears at the highest-order digit.)
Status indicators
ZERO, STABLE, GROSS, NET, HOLD,
Key switches
ZERO, TARE, NET/GROSS, F, ON/OFF, ENTER, CAL
