USN-250 Pocket Gram Scales Jewelry Penny Weight Scale 250 x 0.1g

The US Balance Professional USN-250 Professional scale is ideal for jewelry stores, shops laboratorys and the medical field. When not in use, the checkbook style cover keeps the scale safe. FEATURES:Scale Capacity 250g Scale Resolution 0.1g LCD Backlit Display 4 Weighing Modes g / oz / dwt / ozt Checkbook Style Cover Protects The Weighing Surface. Tare Function 100g Calibration Weight (NOT Included) Five Year Manufacturer's Warranty SpecificationsCapacity250g / 8.820oz / 8.540ozt / 160.75dwt Readability0.1 g / 0.0035oz / 0.064dwt / 0.0032ozt DisplayLCD Backlit DisplayScale dimensions5.125" x 3" x 0.875"Platform dimensions3" x 2.5"Power2 x AAA batteries IncludedCalibration Weight 100g Calibration Weight ( Sold Seperate. Can be purchased click here ) Calibration Procedure: Turn the scale off and place it on a flat, very stable surface. Press the "ON/OFF" key and "MODE" key at the same time until a random large number appears on the display-then release the keys. Press the "ON/OFF" key again, the display will show "2Ero" and then "100.0g". Place a 100 gram weight on the middle of the tray gently then press the "ON/OFF" key Wait for the display will show "PASS". Calibration is completed, remove the weight and turn the scale off.