High Precision Balances (CAH Series) (0.001 g to 1000 g) The CONTECH High Precision Balances (CAH Series) are premium laboratory weighing instruments designed to deliver ultra-precise, stable, and reliable measurements for demanding laboratory and industrial applications. As a leading manufacturer, supplier, and exporter of high precision balances, CONTECH combines advanced Electro Magnetic Force Compensation (EMFC) technology with intelligent electronics and precision software to achieve exceptional weighing accuracy, repeatability, and long-term performance. Engineered for pharmaceutical, chemical, biotechnology, research, educational, jewellery, textile, food testing, calibration, and quality control laboratories, the CAH Series incorporates a high-performance Analog-to-Digital Converter (ADC) with inbuilt temperature compensation. This advanced system provides outstanding weighing stability with up to 6 million internal counts, ensuring highly accurate and repeatable measurements even under varying laboratory conditions. The balances feature a large white backlit LCD display for clear visibility of weighing results and include a removable breeze shield with two side sliding glass doors and a top sliding glass door to minimize the effect of air currents during precision weighing. Optional display upgrades include a 5-inch Touch Screen Graphic Display and a Vacuum Fluorescent Display (VFD) for enhanced usability. For seamless laboratory integration, the CAH Series includes a bi-directional RS-232 communication interface with selectable baud rates for easy connectivity with computers, printers, and laboratory software. An optional RS-232 to USB converter allows compatibility with modern computer systems. The balances support a wide range of international weighing units including grams, ounces, troy ounces, carats, mommes, pennyweights, grains, tola, mesghal, and Chinese taels, making them suitable for laboratory, pharmaceutical, jewellery, textile, and precious metal applications. Advanced weighing functions include percentage weighing, piece counting, programmable fill mode, accumulation of up to 200 samples, multiple printing formats, external calibration, automatic zero tracking, adjustable response speed, stability monitoring, and GSM (Grams per Square Meter) measurement for paper and textile testing. Optional features such as motorized internal calibration, 21 CFR Part 11 compliance, GLP compliance with Real-Time Clock (RTC), density determination kit, weigh-below hook, yarn count measurement with temperature compensation, denier measurement for silk and synthetic yarn, and standard calibration weights make the CAH Series an ideal solution for highly regulated laboratories and industrial quality control environments. Designed for laboratories that demand exceptional precision, reliability, compliance, and ease of operation, the CONTECH High Precision Balances (CAH Series) deliver world-class weighing performance for research, production, inspection, and analytical applications. Features Advanced Electro Magnetic Force Compensation (EMFC) technology. High-performance ADC with inbuilt temperature compensation. Up to 6 million internal counts for exceptional weighing stability. Large white backlit LCD display. Removable breeze shield with two side sliding glass doors and top sliding door. Optional 5-inch Touch Screen Graphic Display. Optional Vacuum Fluorescent Display (VFD). Bi-directional RS-232 communication interface. Optional RS-232 to USB converter. GSM (Grams per Square Meter) measurement function. Multiple weighing units including Gram, Ounce, Troy Ounce, Carat, Momme, Pennyweight, Grain, Tola, Mesghal, and Chinese Tael. Percentage weighing. Piece counting with automatic count correction. Fill mode with programmable set points. Accumulation memory for up to 200 samples. Multiple print formats. External calibration. User-selectable response speed (Slow, Normal, Fast). Adjustable stability indication. Automatic zero tracking. User-selectable display update speed. Specifications Model Capacity Readability Repeatability (±) Linearity (±) Pan Size CAH-53 50 g 0.001 g 0.001 g 0.001 g 100 mm CAH-123 120 g 0.001 g 0.001 g 0.001 g 100 mm CAH-223 220 g 0.001 g 0.001 g 0.002 g 100 mm CAH-323 320 g 0.001 g 0.001 g 0.002 g 100 mm CAH-413 410 g 0.001 g 0.001 g 0.002 g 100 mm CAH-503 500 g 0.001 g 0.002 g 0.002 g 100 mm CAH-603 600 g 0.001 g 0.002 g 0.003 g 125 mm CAH-803 800 g 0.001 g 0.002 g 0.004 g 125 mm CAH-1003 1000 g 0.001 g 0.002 g 0.004 g 125 mm General Specifications Tare Range: Up to Full Capacity Response Time: 2–3 Seconds Power Supply: 90–250 V AC, 50/60 Hz Power Consumption: 10 Watts Operating Temperature: 10°C to 45°C Dimensions Standard Model: 310 × 210 × 330 mm Touch Screen / Internal Calibration Model: 345 × 220 × 340 mm Optional Features 5-inch Touch Screen Graphic Display 21 CFR Part 11 Compliance Motorized Internal Calibration RS-232 to USB Interface Converter GLP Compliance with R
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