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AD-4321
Please
click on the picture for a closer view
Features
 | Built to meet or exceed NBS HB-44, OIML Class III and NTEP regulations |
| The AD-4321A is built for AC operation. The AD-4321B is 12V DC powered for
accurate weighing almost anywhere |
| Watch-dogä Circuitry monitors the CPU and
automatically resets the unit to normal operation if a software crash develops |
| Full Digital Calibration makes zero and span calibration a simple task |
| The optically isolated analog front-end and A/D conversion circuitry are
shielded by an internal case for high immunity against all forms of Radio
Frequency Interference (RFI) |
| A high 130,000 count internal resolution and a 10,000 display resolution
offer precision for almost any application. An easy-to-read, 4 times/second
conversion rate |
| Drives up to 8 load cells |
AD-4321A/B Specifications
|
Model No. |
AD-4312A |
AD-4312B |
|
INPUT & OUTPUT A/D CONVERSION |
|
Input Sensitivity |
1.1m V/D to 120m
V/D* |
0.9m V/D to 100m
V/D |
|
Zero Adj. Range |
1mV to 30mV |
0.8mV to 25mV |
|
Loadcell Excitation |
12V DC, 280 mA (Voltage Sensing) |
10V DC, 230mA (Voltage Sensing) |
|
Input Impedance |
10M W (min) |
|
A/D Conversion Method |
True integrating dual slope |
|
A/D Resolution |
130,000 counts |
|
A/D Conversion Rate |
4 times per second |
|
DIGITAL SECTION |
|
Weight Display |
13mm, 7 digits, high intensity cobalt-blue fluorescent
tube |
|
Under Zero Indication |
Negative "-" sign |
|
Annunciators |
Center of Zero, Motion, Net, Gross, Power, Tare entered |
|
Switches |
Stand-by /Operate, Zero, Tare, Gross/Net, Print |
|
Dip Switch Programming |
Motion Detection:
Zero Track:
Decimal Point:
Scale Interval:
Max. Capacities: |
1d or 3d per second
0.5d, 1d, 1.5d per 1.2 second
None or 1,2, or 3 decimal places
1, 2, 5, 10, 20, 50
300/400/500/600/800/1,000/1,200/1,500/2,000/2,500/
3,000/4,000/5,000/6,000/8,000/10,000/12,000/15,000/
20,000/25,000/30,000/40,000/50,000/60,000/80,000/
100,000/120,000/150,000/200,000/250,000/300,000/
400,000/500,000 |
|
Calibration |
Calibration switch initials the calibration or
locks-in-the calibration value.
Display resolution of 1/300 to 1/10,000 can be easily
obtained. |
|
Non-Linearity |
± 0.01% of scale |
|
Temperature Coefficient |
Zero:
Span: |
± (0.3m V ±
0.0005% of the initial zero offset voltage)/°C
± 5ppm/°C of reading |
|
Rear Panel |
Loadcell Input:
Ext. Control: |
7-pin connector
7-pin connector (Zero, Tare, Gross/Net, Print) |
|
GENERAL |
|
Power Source |
115 VAC 50/60Hz
(100, 120, 220, 240 VAC available) |
11VDC to 18 VDC / 380mA ~
710mA |
|
Net Weight |
1.7 kg (3.7 lbs) |
1kg (2.2 lbs) |
|
Operating Temperature |
-10°C ~ +40°C (14°F ~
104°F) |
|
Operating Humidity |
Max. 95% RH (non-condensing) |
|
Physical Dimensions |
198(W) X 178(D) X 76(H) mm / 7.8(W) X 7.0(D) X 3.0(H)
inches |
Specifications are subject to change for improvement without notice
| Model |
Part # |
List Price |
| AD-4321-A Basic 115 VAC |
1771 |
$799 |
| AD-4321-A-01 Basic
w/parallel BCD output |
1772 |
$998 |
| AD-4321-A-04 Basic
w/serial output |
1773 |
$1,028 |
| Note: Will not work with
AD-8121 printer |
|
|
| |
|
|
| AD-4321-B Basic 12 VDC
operation |
1774 |
$789 |
| AD-4321-B-01 Basic
w/parallel BCD output |
1775 |
$988 |
| AD-B-04 Basic w/serial
output |
1776 |
$1,018 |
| Options |
|
|
| 01 Parallel BCD output
TTL level |
11016 |
$199 |
| 04 Serial output
RS232/20ma |
11017 |
$229 |
| 05 Stainless steel water
resistant enclosure |
11018 |
$399 |
Specifications and prices are subject to change
| |
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