Digital Weighing Indicator
Load Cell
Control Box
Professional Controller
External Display
System & Program
 Digital Weighing Indicator - SI4630
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- Easy to enter with “Calibration Lock-Switch”.
- Full Automatic “Zero” adjustment by program.
(without “Dip-Switch Adjustment)
- “Simulation - Calibration” mode added.
(without “Test Weight” to make calibrate)
  Analogue Section     General Section
Input Sensitivity Min. 0.2㎶ / Digit
Load cell Excitation DC 10V (-5V ~ +5V)
Non-Linearity 0.005% of Full Scale
[Zero] ±5PPM/℃
[Span] ±5PPM/℃
Input Noise ±0.3㎶ P.P
A/D Conversion
Sampling Speed Max. 500times/sec
Resolution Internal : 1/520,000(19bit)
Display : 1/20,000
Power Supply AC110/220V, 50/60Hz
Operating Condition -10℃~+40℃
Less than 85% Rh
Dimension 200(L) ×105(W) ×165mm(D)
Cutting Size 188(L) ×94mm(H)
Weight (kg) Net 3.0kg Gross 3.5kg
  Option     Option List
Option No.1 Serial Port(RS232 / 422 / 485)
Option No.2 Analogue Output(0~10V)
Option No.3 Analogue Output(4~2mA)
Option No.4 BCD input
Option No.5 BCD Output
Option No.6 Parallel Printer Interface
Model Remarks
Standard RS-232C
Option 01 RS232/422/485(Optional Serial Port)
Option 02 Analog Out (0~10V)
Option 03 Analog Out (4~20mA)
Option 04 Printer Interface (Centronics Pallele)
Option 05 BCD In (Part No. Change)
* 1pcs of Serial interface is installed as a standard  
Content Specification
Performance External Resolution 1/20,000
Internal Resolution 1/2,097,152 (±1,048,576)
Input Sensitivity 0.1μV/V
Max. Signal Input Voltage -3.00mV/V to +3.00mV/V
Load cell Excitation +5VDC
A/D Conversion Method Sigma-Delta
Decimal Point 0, 0.0, 0.00, 0.000
Drift Offset <5PPM/℃
Span <5PPM/℃
Linearity 0.001% of Full Scale
Analog Sampling(sec) Max. 60times / sec
Environment Operating Temperature Range -10℃ ~ +40℃ [14℉ ~ 104℉]
Operation Humidity Range 40% ~ 85% RH, Non-condensing
Function Calibration Mode Test Weight Calibration Mode
Simulation Calibration Mode(Without Test Weight)
Display 5 digit, 73.5mm(3inch) Red Color FND
Key Pad 6EA Standard Key
Select Key Function at F-Function 11
Communication Serial Interface(RS-232) Standard Installed (Only trans communication data)
- Only support serial print (Not parallel print)
Current Loop Interface Standard Installed (Only trans communication data)
Option Serial Interface(RS-485) Factory Installed default (Not Installed locus)
Remote Key Pad Remote Control (Seem like SI 3060A)
Power Cable ISOLATED Serial Communication
Input Power AC 110V ~ 220V 1.0A ~ 0.55A 50~60Hz
Internal Use Power DC 24V 1,300mA
Size 461(L)x200(H)x160(W)mm
Body:400(L)×148(H) ×160(W)
Weight : About 2.0kg