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U.S. Solid Lab Digital Analytical Balance 300 g, 1 mg Manual Calibration Precision in measurement is extremely important for lab technicians who often work with very small quantities of matter. For an experiment, adding or subtracting even a microgram can result differently. That's why the technicians turn to analytical scales. The series analytical balance allows the user to measure weight that range from 100 g to 300 g with 1 mg readability, ±2 mg repeatability and linearity. It adopts the strain gauge load cell. Such small quantities can be affected by the slightest of things, like breeze, magnetic field, temperature, humidity, gravity, etc. That's why we adopt the Aluminum alloy die cast base, stainless steel pan and glass draft shield. Aluminum die cast base makes the scale corrosion resistance and anti-electromagnetic Interference. Glass draft shield covers the measuring the place and get rid of the influence of breeze. As temperature is also a factor that affects the precision, we'd better use the JF series analytical scale in 5°C～27°C, temperature fluctuation less than 2°C/h. For technicians who need to do many measuring work, besides the precision, easy operation and fast respond speed are also import. The USS-DBS15 scales have the 1.5 s respond speed (stabilization time), full capacity subtraction, digital reading from LCD screen that has a convenient blue backlight, multi Weighing unit conversation g/mg/ct/oz/lbs, parts counting, percentage weighing (optional). All this will simplify your work and make you work efficiency. Meanwhile, it also has the function of overload protection, bubble level adjustment, under hook. When weight exceeds 50% of the max. value, balance will be in the overload protective mode. At this time, a line occurs on the top the display. This is to protect the balance chip. For more detailed information, please contact us for user manual. Specification Brand U.S. SOLID Model USS-DBS15-1 USS-DBS15-2 USS-DBS15-3 Capacity 0.02 - 100 g 0.02 - 200 g 0.02 - 300 g Readability 1 mg Repeatability ± 2 mg Linearity ± 2 mg Unit g/mg/ct/oz/lbs Setting Time ≤ 8 Seconds Operating Temperature 5 ~ 27 °C, Fluctuation Range＜2 °C/h Pan Size Φ90 mm Windshield Size 18.5x17.5x20.5 cm Output Interface RS232 Dimensions 290x185x270 mm (Not Detachable) Net Wight 3 kg Power Supply AC 110 V, 60 Hz Calibration Weight 100 g (1pc) 100 g (1pc) 200 g (1pc) Packing List Order Item Number 1 Analytical Balance 1 2 Weighing Pan 1 3 Calibration Weight 1 4 Power Cable 1 5 Instruction Manual 1 Shipping Total delivery time = Processing Time + Shipping Time Processing Time 1-2 Business Days Shipping Time 4-7 Business Days (Expedited Shipping: Fedex, DHL or UPS) 7-10 Business Days(Standard Shipping: EMS or Special Line) 10-15 Business Days (EMS for Russia or South America) 12-20 Business Days (E-packet) Tips: 1. The delivery may be delayed due to customs clearance, carriers delay and/or other problems. All our customers are very important to us, if you encounter delivery or "quality" problems, please don't open a case but contact us in time by ebay messages first, we will try our best to work it out with you. 2. For buyers in US, please kindly note there might be import customs duties for items shipped from China ranging from 5% to 30%, which will be paid by the buyer. For buyer outside US, please note customs charges, if any, are not included in the item price or shipping charges. Buyers will be responsible for customs clearance and potential tariff. The amount of tariff is composed of two parts. Part one is approximately 1% to 5% of the total price (item price + shipping price). Part two is VAT, which in most cases can be deducted in your business tax. Feel free to contact us for any questions. Return Policy 1. Returns are accepted within 30 days after buyer receives the item.Buyer is responsible for return shipping costs if it is not our fault. A refund will be issued within 2 business days after we receive the returned item. 2. Returned item has to be in its original condition, no returns for customized items.