A/D 4321> A/D

MODEL NO.  

Specification

AD-4321A

AD-4321B

INPUT and A/D CONVERSION

Input Sensitivity

1.1㎶/D to 120㎶/D*

0.9㎶/D to 100㎶/D*

Zero adj. range

1mV to 30 mV

0.8mV to 25 mV

Load cell excitation

12VDC. 280mA

10VDC, 230mA

Input Impedance

10MΩ

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 digit

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

   sMotion detection  - 1D or 3D/sec
  sZero track - 0.5D, 1D,1.5D/1.2 sec
  sDecimal point None or 1,2,  or 3   Decimal Places  sScale interval 1, 2, 5, 10, 20, 50
  sMax .capacities -  s300/400/500/600/800/1,000/1,200/
 s1,500/2,000/2,500/3,000/4,000/5,000 /
 s6,000/8,000/10,000/12,000/15,000 20,000/
 s25,000/30,000/40,000/50,000/60,000/
 s80,000/100,000/120,000 /150,000/200,000
 s250,000/300,000/400,000/500,000

Calibration

1/300  ~  1/10,000

Non-linearity

± 0.01% of scale

Temp. coefficient

zero --± 0.3㎶ ±0.0005% /℃ 
span -- ±5ppm /℃  of reading   

Rear panel

Load cell input  - 7 pin connector
Ext control  -   7 pin connector
(Zero,Tare,Gross/Net ,Print )

GENERAL

Power source
(factory preset)

100,115,220,240VAC
+10%  50/60Hz -15%

11VDC to18VDC /380mA~710mA

Net weight

1.7kg(3.7lb)

1kg(2.2lb)

Operating Temperature

-10℃  TO  +40℃( + 14 ℉  TO  104℉)

Operating Humidity

Max 95% RH(Non-Condensing)

Physical Dimension

198(W)×178(D)×76(H)㎜

Option

  sOption-01 .. Parallel Bcd output card
  sfor interfacing peripherals with Bcd
  sinput capability. Printers AD-8113 and
  sAD-8114B or an A&D external display
  sunit may be used with this option.
  sMating connector :57-30500 (AMPHENOL)
  sOption-04 ... Serial  RS-232C and 20mA
  sPassive Current Loop for interfacing
  smost computers and AD-8115A/B