Empowering Scientific Discovery

Shanghai Guowang Chemical Co., Ltd.

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BrandA&D
OriginJapan
ModelAD-4402
Sampling Rate100 Hz
Internal A/D Resolution1:1,000,000
Display Resolution1:16,000
Input Sensitivity0.3 µV/d
IP RatingIP65 (Front Panel)
Programmable Recipes100
Stored Materials100
I/O Channels11 inputs / 11 outputs
Configurable Functions50
Alarm Outputs8
Communication InterfacesRS-232, RS-422/485, BCD, Parallel I/O, Analog Output, CC-Link, DeviceNet, PROFIBUS
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BrandA&D
OriginJapan
ModelAD-8121B
Printing TechnologySerial Dot-Matrix
Character Format5×7 dot matrix (2.5 mm H × 1.8 mm W)
Characters per Line16
Interface OptionsRS-232C or Current Loop (20 mA)
Power SupplyAC adapter or 4×AA alkaline batteries
Programmable Interval Printing5 s, 10 s, 30 s, 1 min, 5 min, 10 min, 30 min
Statistical FunctionsMin, Max, Mean, Standard Deviation, Coefficient of Variation, Range
Print Head LifetimeApprox. 500,000 lines
Dimensions (W×D×H)180 × 160 × 80.5 mm
Weight~1.2 kg
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BrandA&D
OriginJapan
ModelGF Series
Capacity Range210 g to 8100 g
Readability0.001 g to 0.1 g
Pan Size128 × 128 mm or 165 × 165 mm
Dimensions (W×D×H)210 × 317 × 86 mm
Weight4.6 kg to 5.1 kg
DisplayHigh-contrast fluorescent LCD
Environmental RatingIP54
InterfaceRS-232 standard
ComplianceGLP/GMP support, audit-ready data output
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BrandA&D
OriginJapan
ModelHL-100 / HL-200 / HL-400 / HL-2000 / HL-4000
Capacity100 g to 4000 g
Readability0.01 g to 1 g
Pan SizeØ70 mm or 136 × 136 mm
Display7-digit, 12 mm high LCD
PowerRechargeable battery or AC adapter (optional)
Battery Life~200 hours
IP RatingIP65 (HL-WP models)
HousingStainless steel arc-shaped enclosure
Weight~500 g
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BrandA&D
OriginJapan
ModelGR-300 / GR-202 / GR-200 / GR-120
Capacity120–310 g
Readability0.01–0.1 mg
Pan Diameter85 mm
Dimensions (W×D×H)249 × 330 × 328 mm
Weight~6.0 kg
CalibrationInternal motorized砝码, one-touch auto-calibration
Environmental CompensationAutomatic temperature & drift correction
InterfaceRS-232 standard
ComplianceGLP, GMP, GCP, ISO/IEC 17025
SoftwareWinCT Data Acquisition Suite
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BrandA&D
OriginJapan
ModelEK-iD/GF-D
Measurement PrincipleArchimedes’ Principle
Weighing Range300 g to 3100 g (model-dependent)
Readability0.001 g to 0.1 g
Density Resolution0.001 g/cm³
Repeatability±0.002 g/cm³
DisplayHigh-contrast LCD (EK-iD) / Fluorescent display (GF-D), 16 mm digit height
Stabilization Time1 s (GF-D series)
Internal Resolution1/10,000,000
Weighing Pan Size108 × 80 mm
InterfaceRS-232 standard port
SoftwareWinCT for Windows (data logging, statistical analysis, Excel export)
ComplianceBuilt-in GLP/GMP/ISO audit trail support
Environmental AdaptationAdjustable response speed (FAST/MID/SLOW)
Power OptionsAC adapter or rechargeable battery (EK-iD only, up to 10 h operation)
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BrandA&D
OriginJapan
ModelHW Series
IP RatingIP65
Display TypeLCD (HW-KGL) / Fluorescent (HW-KGV)
Weighing Range10 kg to 220 kg
Readability1 g to 20 g
Pan Dimensions250 × 250 mm to 390 × 530 mm
Dimensions (W×D×H)275 × 474 × 368 mm to 390 × 712 × 773 mm
Weight6 kg to 18 kg
Key FunctionsHigh/Low Limit Checking, Batch Weighing, Tare, Preset Counting, Auto-Zero Tracking
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BrandA&D
OriginJapan
ModelAD-4401
Display Resolution1/16,000
Internal A/D Resolution1/1,000,000
Sampling Rate100 Hz
Input Sensitivity0.3 µV/d
IP RatingIP65 (Front Panel)
Communication InterfacesRS-232 (Current Loop & Optional TTL), RS-422/485 (Optional), BCD (Optional), 4–20 mA Analog Output (Optional)
Max Device Count on RS-422/485 Network10 units
Operating Modes8 Predefined Weighing & Control Modes
Built-in DiagnosticsI/O, A/D, Peripheral Detection
Auto-CompensationFuzzy Logic-Based Drop Compensation & Re-Feed Control
Data LoggingBatch Weight Summation & Cycle Count Accumulation
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