Extech 475040 sd475044 sd force gauge extech 475044 sd the extech 475044 sd data logging force gauge performs pushpull measurements in lbs kg and newtons the dual lcd has a useful reversable display feature to match viewing angle ideal for a wide variety of applications in the electronics automotive chemical plastics and machinery industries supplied with a hook adaptor for tension compression adaptors flat cone and chisel head 127mm 5in extension rod sd memory card 6 x aa