Same boat here I have the SARD 534cc 0.85ms dead time and no voltage.
https://www.sard.co.jp/after_eng/products/engine/injector/injector_syasyu.html
According to here http://www.mkivsupra.net/vbb/showthread.php?269098-Sard-800cc-dead-times it is at 12v not sure if it is accurate thou