Brand Introduction Shanghai Ruishan Electronic Technology Co., Ltd. a professional manufacturer and trader engaged in the research, development, production, sale and service of precision electronic scales like analytical balance, Lab Scale Laboratory Industrial Scale Scientific Scale, Counting Scale, etc. more than 16 years. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer's satisfaction. We are sure that our high quality products and excellent services will be appreciated by the growing list of satisfied customers. Contacting us is the first step to build a long and successful business relationship with us. Our story How we got our start? RUISHAN is an international company serving a wide customer base in school, laboratory, pharmacy, office and etc. We are committed to provide best quality of products and best service for our customers. What makes our product unique? Specialized in scales, our R&D team is focused on delivering the most precise and helpful for our customers for different purpose of use. We value every customer's feedback about our product and service and make improvement accordingly. Why we love what we do? We love change, improvement and innovation. Communicating with our customers always provide a new pespective for us. The more we understand the needs of our customers, the better our products be. Thus, the more affirmation we receive from customers, the more we love our work. Electronic Precision Balance Scale is suitable for various occasions. Whether you need a scale for a lab, school, medical, pharmaceutical setting or other application, we have an option that will meet your needs. Product Description: Model number: RD series Product name: Digital Electronic Lab Analytical Balance Scale Port: RS232 port Display: LCD Units: kg, g, ct, lb, oz, ozt, dwt, gsm etc Pan size: 170*170mm Sensor: resistance strain sensor Material: ABS+Stainless Steel Product size: 280*190*80mm Product weight: 3kg Power supply: AC external power supply or DC battery(Batteries not included) Preheating time: 5-30 minutes (models vary, time varies) Stabilization time: About 5 seconds Function and features: Counting/PRT/MODE /TARE/external calibration/Unit Conversion/Overload Protection/4.0-magnitude Shockproof Protection/Automatic Fault Detection/ Quad core CPU Wide Use Range: suitable for rapidly determining the quality and quantity of objects in industry, agriculture, commerce, school, scientific research and other units. Package Content: 1x Electronic balance 1x Weighing Pan 1x User Manual 1 x USA Power Cord 1 x 500g Calibration Weight Without battery Without data cable