iGaging ABSOLUTE ORIGIN long range heave duty digital caliper 
100-700-60  0-24”
100-700-90  0-40”
        iGaging's Origin Digital Caliper uses SUPER HIGH ACCURACY ABSOLUTE memory technology. It keeps track of its origin position once set. Whenever the digital caliper turned on, the easy-view large LCD displays the actual sensor position ready to start measuring. It's not necessary to reset zero. The measuring speed is unlimited. Standard USB data output. High quality surface finish for extra smooth slider movement. 
        Data output port standard.  SPC/USB cable available separately. 
        Features: 
Unlimited measuring speed 
Resolution: 0.0005"/0.01mm 
Accuracy: 0.001"/0.02mm 
Range: 24"/600mm 
Measuring speed: Unlimited 
Hardened Stainless steel, lapped finished 
Operating environment:temperature 0°c+40°c; relative humidity: 80% 
Battery life:more than 1 year under normal operation 
SPC Output with USB connection available (search amazon for: B00INL0BA2) 
Meets DIN Standard 862; ISO 9001 certified manufacturing 
Protective case included