Digital Weighing Indicator
Load Cell
Control Box
Professional Controller
External Display
System & Program
 Digital Weighing Indicator - SI4000
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- Industrial Scale (Truck , Tank, Platform , Animal Scale)
- External Input : 4pcs input built in
- Control Relay output : N.A - Weight display only.
- Communication : Serial interface 2pcs(1pcs is standard)
- Auto Print Mode (M+ / M-)
- HOLD Function (Sample / Peak Hold)

- 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     Digital Section
Input Sensitivity 0.3㎶ / Digit
Load cell Excitation DC 10V (-5V ~ +5V)
Max. Signal
Input Voltage
[Zero] ±16PPM/℃
[Span] ±3.5PPM/℃
Input Noise ±0.3㎶ P.P
Input Impedance Over 10㏁
A/D Conversion
A/D Resolution
520,000 Count(19bit)
A/D Sampling Rate Max. 500times / Sec
Non-Linearity 0.005% FS
Display Parts Specification
Display Main Display 7Segments, 7digits
VFD green Color
Size :12.7(H) ×7.0(W)mm
Min. Division ×1,×2,×5,×10,×20,×50
Max. Display +999.950
Under Zero "-" (Minus display)
Steady, Zero,
Tare, Hold, Gross, Print, Comm.
" ▼" Condition display Lamp
kg, g, t Red LED Display(3Ø)
Key pad Number, Function, CAL. Lock Key
Number Key, Function, CAL.
Lock keys (16pcs)
  General Section     Option
Power Supply AC110/220V±10%), 50/60Hz,
about 30VA
Humidity Range
Under 85% Rh
External Dimension 200mm(W)x105mm(H)x
Net Weight(kg) About 2.3kg
Gross Weight(kg) About 3.0kg
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
    * 1pcs of Serial interface is installed as a standard
  Option List     System Application
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)
SE 4021
SE 4030