Insize ISF-S300-U, DIGITAL SPRING TESTERS, 67lbf, 6940561961355

Resolution .01lbf
Range of digital scale 3.7″
Resolution of digital scale .0005″
Disk diameter 1.9″ DIA
Measuring range of force 5%~100% (maximum load)
Peak hold and automatic release function
Set upper and lower limits, red and green indicator and buzzer alarm