DS-425 Service Manual
1.3. Main Feature
• Model : DS-425
• Display Resolution : 1/1000, 1/1500, 1/2000, 1/2500, 1/3000, 1/5000, 1/6000,
1/7500, 1/10000, 1/15000, 1/20000, 1/25000, 1/30000
• Internal Resolution : 1/250000, 1/300000
• Capacity : 300g, 600g, 1.5kg, 3kg, 6kg, 15kg, 30kg
• Display Tube : Liquid Crystal (With back-light new design GD-584)
• Weight display : 8 Segment , 6 Digit
• Weigh Unit : 4 Symbol (kg, g, lb., oz.)
• Indicators : 4 Set Point (S1, S2, S3, S4), 8 indicators for Zero, Net, Std,
U.W, U.C, MEM, BATT, PCS
• Interface : RS-232(OPTIONAL)
• Load cell : 300g-K-Type,600g-30Kg N-Type.
• Mechanical Detail : Housing DS-425W, DS-422 Keyboard
• Physical Dimension : (L)321 * (W)256 * (H)80 mm
Platter Size: 105mm x 160mm (300g)
205mm x 250mm (600g Upwards)
1.4. Operation Condition
• Power Source : AC 220V (+10%,-15%) 50HZ/60HZ (Factory Set)
• Temperature : 0°C to 40°C
• Humidity : <85% RH
• Microcomputer : Atmal AT89C52, 8bit
• Display Device : Liquid Crystal Display (With back-light GD-584)
• LCD Display Drive : NEC uPA7225G
• A/D Board : STB-0054 A/D. (DS-422), New A/D Cover
1.5. Main Function
• Basic Weight Unit: g, kg
• Weight Unit Toggle: g, lb, and oz, kg, lb, and oz
• Counting Function
• RS-232C communication
01 General Specification Page No. 2
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