Check the listing for details. Eisco Labs Premium Dynamometer - 0.2N / 20G Spring Scale. Condition: New. Listed at 24.99 USD. Premium Dynamometer - 0.2N / 20G Spring Scale - Eisco Labs Eisco's finest dynamometer offers all metal parts encased in a premium acrylic tube. It's high clarity and internal red cylinder make for easy and accurate measurments with each use. Because the springs are enclosed they will not tangle or lose functionality. You can zero this item with a simple twist of the knob. Internal printing of scales prevents the wearing that other spring scales experience over time. Capacity - 0.2N / 20g Resolution/Sub-division - 0.004N/0.4g Product Details BrandEiscoManufacturerEiscoProduct TypeScience Lab Physics Classroom SuppliesMpnPH0036PRB The dynamometer, often referred to as spring scales are very accurate precise springs with excellent linearitySealed spring, can be abused, over stretched or tangledMade from clear rigid thick wall acrylicUpper section colored according to measurement rangeThe dynamometer can be zeroed quickly and easily Check out my other items. -Powered by