iGaging OriginCal digital calipers use a the highly accurate Absolute encoder technology.  This technology memorizes its origin zero. Whenever the digital caliper is turned on, the LCD displays the actual sensor position and is ready to start measuring. It is never necessary to set zero.

Features:

• Resolution: 0.0005" (0.01mm)
• Accuracy: /- 0.001" (0.02mm) per 6" (150mm)
• Measuring speed: unlimited
• Protection rating: IP54 (humidity and dust resistance)
• Power: 3V CR2032 lithium battery-environmentally friendly
• Battery life: 2 years under normal conditions
• Operating environment: 
• Temperature: 0° C (32° F) to 40° C (104° F)
• Relative humidity: less than 80%.
• It has standard SPS/USB output
• Stainless steel construction with high quality finish

 Functions:

• Zero setting at any position
• Switch between mm and inches with the push of a button and at any position
• Able to continually keep track of origin position (Absolute Zero)
• Whenever the unit is powered on, it will display the current slider reading
• Greater accuracy
• Low battery consumption
• Unlimited response speed, no over speed errors

WARNING: Cancer and Reproductive Harm -