Extech 475040 sd475044 sd force gauge extech 475040 sd the extech 475040 sd data logging force gauge performs pushpull measurements in oz g and newton 475040 sd or lbs kg and newtons 475044 sd 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