Home » Services » Equipment Calibration Services » Weight and Scale Calibration. Since 1939, J.A. King has been an innovative leader in weight and scale calibration services. With over 75 years of technical expertise, you can be assured our level of customer service and capability have been fine-tuned and perfected. Returning instruments for calibration and service is straightforward. Just follow the instructions below to get online cost estimates and receive an email containing your RMA * number within a few minutes.. If your product is an A2, RT-2M, RT-2X or FX100 Audio Analyzer please contact NTi Audio prior to shipping your instrument in order to verify any applicable special instructions. We carry all kinds of calibration weights. Down below, you'll see individual calibration weights and calibration weight sets. If you're looking for weights to calibrate that inaccurate scale, or if you just want a test weight, here's the place to find what you need. MENUS AND CALIBRATION The Indicator has optional settings that allow flexibility in the way that the scale is used and data is collected. Changing Options Using Long Form Setup Enter Long Form Setup by holding and for three seconds. Press to advance to desired menu 1,2,3,4,CALIB, or EXIT, press to select. Service for your applications. Individual, reliable, competent. Quality and reliability are the cornerstones of our company's philosophy. That is why we consider a comprehensive service concept simply par for the course, from strict quality control, installation and commissioning through to seamless support across the entire product life cycle. During this time, we have come to be known as a leading calibration service company for our: Calibration expertise using state-of-the art calibration equipment to deliver accurate and precise measurements; Compliance to ISO, ANSI and NCSL standards and NIST traceability for quality calibration services of electronic and mechanical equipment calibration services